diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..5bbb269
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "vue3snippets.enable-compile-vue-file-on-did-save-code": false
+}
\ No newline at end of file
diff --git a/Entity/EmailMessage.cs b/Entity/EmailMessage.cs
index 877110e..3390b23 100644
--- a/Entity/EmailMessage.cs
+++ b/Entity/EmailMessage.cs
@@ -1,4 +1,6 @@
-namespace Entity;
+using System.Security.Cryptography;
+
+namespace Entity;
 
 /// <summary>
 /// 邮件消息实体
@@ -29,4 +31,14 @@ public class EmailMessage : BaseEntity
     /// 邮件接收时间
     /// </summary>
     public DateTime ReceivedDate { get; set; }
+
+    public string Md5 { get; set; } = string.Empty;
+
+    public string ComputeBodyHash()
+    {
+        using var md5 = MD5.Create();
+        var inputBytes = System.Text.Encoding.UTF8.GetBytes(Body + HtmlBody);
+        var hashBytes = md5.ComputeHash(inputBytes);
+        return Convert.ToHexString(hashBytes);
+    }
 }
diff --git a/Entity/TransactionCategory.cs b/Entity/TransactionCategory.cs
index fcffe45..dca3517 100644
--- a/Entity/TransactionCategory.cs
+++ b/Entity/TransactionCategory.cs
@@ -1,7 +1,7 @@
 namespace Entity;
 
 /// <summary>
-/// 交易分类（层级结构：类型 -> 分类 -> 子分类）
+/// 交易分类
 /// </summary>
 public class TransactionCategory : BaseEntity
 {
@@ -10,38 +10,8 @@ public class TransactionCategory : BaseEntity
     /// </summary>
     public string Name { get; set; } = string.Empty;
 
-    /// <summary>
-    /// 父分类ID（0表示顶级分类）
-    /// </summary>
-    public long ParentId { get; set; }
-
     /// <summary>
     /// 交易类型（支出/收入）
     /// </summary>
     public TransactionType Type { get; set; }
-
-    /// <summary>
-    /// 层级（1=类型级, 2=分类级, 3=子分类级）
-    /// </summary>
-    public int Level { get; set; }
-
-    /// <summary>
-    /// 排序号
-    /// </summary>
-    public int SortOrder { get; set; }
-
-    /// <summary>
-    /// 图标（可选）
-    /// </summary>
-    public string? Icon { get; set; }
-
-    /// <summary>
-    /// 是否启用
-    /// </summary>
-    public bool IsEnabled { get; set; } = true;
-
-    /// <summary>
-    /// 备注
-    /// </summary>
-    public string? Remark { get; set; }
 }
diff --git a/Entity/TransactionRecord.cs b/Entity/TransactionRecord.cs
index 06c6760..df4e157 100644
--- a/Entity/TransactionRecord.cs
+++ b/Entity/TransactionRecord.cs
@@ -50,11 +50,6 @@ public class TransactionRecord : BaseEntity
     /// </summary>
     public string Classify { get; set; } = string.Empty;
 
-    /// <summary>
-    /// 交易子分类
-    /// </summary>
-    public string SubClassify { get; set; } = string.Empty;
-
     /// <summary>
     /// 导入编号
     /// </summary>
diff --git a/Repository/EmailMessageRepository.cs b/Repository/EmailMessageRepository.cs
index 9dee5c1..ea1a09c 100644
--- a/Repository/EmailMessageRepository.cs
+++ b/Repository/EmailMessageRepository.cs
@@ -2,11 +2,7 @@
 
 public interface IEmailMessageRepository : IBaseRepository<EmailMessage>
 {
-    Task<EmailMessage?> ExistsAsync(
-        string from,
-        string subject,
-        DateTime receivedDate,
-        string body);
+    Task<EmailMessage?> ExistsAsync(string md5);
     
     /// <summary>
     /// 分页获取邮件列表（游标分页）
@@ -25,14 +21,10 @@ public interface IEmailMessageRepository : IBaseRepository<EmailMessage>
 
 public class EmailMessageRepository(IFreeSql freeSql) : BaseRepository<EmailMessage>(freeSql), IEmailMessageRepository
 {
-    public async Task<EmailMessage?> ExistsAsync(
-        string from,
-        string subject,
-        DateTime receivedDate,
-        string body)
+    public async Task<EmailMessage?> ExistsAsync(string md5)
     {
         return await FreeSql.Select<EmailMessage>()
-            .Where(m => m.From == from && m.Subject == subject && m.ReceivedDate == receivedDate && m.Body == body)
+            .Where(e => e.Md5 == md5)
             .FirstAsync();
     }
 
diff --git a/Repository/TransactionCategoryRepository.cs b/Repository/TransactionCategoryRepository.cs
index 717ac77..f643d80 100644
--- a/Repository/TransactionCategoryRepository.cs
+++ b/Repository/TransactionCategoryRepository.cs
@@ -6,24 +6,14 @@
 public interface ITransactionCategoryRepository : IBaseRepository<TransactionCategory>
 {
     /// <summary>
-    /// 根据类型获取所有顶级分类（Level=2，即类型下的分类）
+    /// 根据类型获取所有分类
     /// </summary>
-    Task<List<TransactionCategory>> GetTopLevelCategoriesByTypeAsync(TransactionType type);
+    Task<List<TransactionCategory>> GetCategoriesByTypeAsync(TransactionType type);
 
     /// <summary>
-    /// 根据父分类ID获取子分类
+    /// 根据名称和类型查找分类（防止重复）
     /// </summary>
-    Task<List<TransactionCategory>> GetChildCategoriesAsync(long parentId);
-
-    /// <summary>
-    /// 获取完整的分类树（按类型）
-    /// </summary>
-    Task<List<TransactionCategoryTreeDto>> GetCategoryTreeAsync(TransactionType? type = null);
-
-    /// <summary>
-    /// 根据名称和父ID查找分类（防止重复）
-    /// </summary>
-    Task<TransactionCategory?> GetByNameAndParentAsync(string name, long parentId, TransactionType type);
+    Task<TransactionCategory?> GetByNameAndTypeAsync(string name, TransactionType type);
 
     /// <summary>
     /// 检查分类是否被使用
@@ -37,101 +27,23 @@ public interface ITransactionCategoryRepository : IBaseRepository<TransactionCat
 public class TransactionCategoryRepository(IFreeSql freeSql) : BaseRepository<TransactionCategory>(freeSql), ITransactionCategoryRepository
 {
     /// <summary>
-    /// 根据类型获取所有顶级分类（Level=2）
+    /// 根据类型获取所有分类
     /// </summary>
-    public async Task<List<TransactionCategory>> GetTopLevelCategoriesByTypeAsync(TransactionType type)
+    public async Task<List<TransactionCategory>> GetCategoriesByTypeAsync(TransactionType type)
     {
         return await FreeSql.Select<TransactionCategory>()
-            .Where(c => c.Type == type && c.Level == 2 && c.IsEnabled)
-            .OrderBy(c => c.SortOrder)
+            .Where(c => c.Type == type)
             .OrderBy(c => c.Name)
             .ToListAsync();
     }
 
     /// <summary>
-    /// 根据父分类ID获取子分类
+    /// 根据名称和类型查找分类
     /// </summary>
-    public async Task<List<TransactionCategory>> GetChildCategoriesAsync(long parentId)
+    public async Task<TransactionCategory?> GetByNameAndTypeAsync(string name, TransactionType type)
     {
         return await FreeSql.Select<TransactionCategory>()
-            .Where(c => c.ParentId == parentId && c.IsEnabled)
-            .OrderBy(c => c.SortOrder)
-            .OrderBy(c => c.Name)
-            .ToListAsync();
-    }
-
-    /// <summary>
-    /// 获取完整的分类树
-    /// </summary>
-    public async Task<List<TransactionCategoryTreeDto>> GetCategoryTreeAsync(TransactionType? type = null)
-    {
-        var query = FreeSql.Select<TransactionCategory>()
-            .Where(c => c.IsEnabled);
-
-        if (type.HasValue)
-        {
-            query = query.Where(c => c.Type == type.Value);
-        }
-
-        var allCategories = await query
-            .OrderBy(c => c.Type)
-            .OrderBy(c => c.SortOrder)
-            .OrderBy(c => c.Name)
-            .ToListAsync();
-
-        // 构建树形结构（Level 2为根节点，即各个分类）
-        var result = new List<TransactionCategoryTreeDto>();
-        var level2Categories = allCategories.Where(c => c.Level == 2).ToList();
-
-        foreach (var category in level2Categories)
-        {
-            var treeNode = new TransactionCategoryTreeDto
-            {
-                Id = category.Id,
-                Name = category.Name,
-                Type = category.Type,
-                Level = category.Level,
-                Icon = category.Icon,
-                Children = BuildChildrenTree(category.Id, allCategories)
-            };
-            result.Add(treeNode);
-        }
-
-        return result;
-    }
-
-    /// <summary>
-    /// 递归构建子分类树
-    /// </summary>
-    private List<TransactionCategoryTreeDto> BuildChildrenTree(long parentId, List<TransactionCategory> allCategories)
-    {
-        var children = allCategories.Where(c => c.ParentId == parentId).ToList();
-        var result = new List<TransactionCategoryTreeDto>();
-
-        foreach (var child in children)
-        {
-            var treeNode = new TransactionCategoryTreeDto
-            {
-                Id = child.Id,
-                Name = child.Name,
-                Type = child.Type,
-                Level = child.Level,
-                Icon = child.Icon,
-                Children = BuildChildrenTree(child.Id, allCategories)
-            };
-            result.Add(treeNode);
-        }
-
-        return result;
-    }
-
-    /// <summary>
-    /// 根据名称和父ID查找分类
-    /// </summary>
-    public async Task<TransactionCategory?> GetByNameAndParentAsync(string name, long parentId, TransactionType type)
-    {
-        return await FreeSql.Select<TransactionCategory>()
-            .Where(c => c.Name == name && c.ParentId == parentId && c.Type == type)
+            .Where(c => c.Name == name && c.Type == type)
             .FirstAsync();
     }
 
@@ -140,35 +52,13 @@ public class TransactionCategoryRepository(IFreeSql freeSql) : BaseRepository<Tr
     /// </summary>
     public async Task<bool> IsCategoryInUseAsync(long categoryId)
     {
-        // 检查是否有交易记录使用此分类
         var category = await GetByIdAsync(categoryId);
         if (category == null) return false;
 
-        // 根据层级检查不同的字段
-        var count = category.Level switch
-        {
-            2 => await FreeSql.Select<TransactionRecord>()
-                .Where(r => r.Classify == category.Name && r.Type == category.Type)
-                .CountAsync(),
-            3 => await FreeSql.Select<TransactionRecord>()
-                .Where(r => r.SubClassify == category.Name && r.Type == category.Type)
-                .CountAsync(),
-            _ => 0
-        };
+        var count = await FreeSql.Select<TransactionRecord>()
+            .Where(r => r.Classify == category.Name && r.Type == category.Type)
+            .CountAsync();
 
         return count > 0;
     }
 }
-
-/// <summary>
-/// 分类树DTO
-/// </summary>
-public class TransactionCategoryTreeDto
-{
-    public long Id { get; set; }
-    public string Name { get; set; } = string.Empty;
-    public TransactionType Type { get; set; }
-    public int Level { get; set; }
-    public string? Icon { get; set; }
-    public List<TransactionCategoryTreeDto> Children { get; set; } = new();
-}
diff --git a/Repository/TransactionRecordRepository.cs b/Repository/TransactionRecordRepository.cs
index 94abdd2..535d3db 100644
--- a/Repository/TransactionRecordRepository.cs
+++ b/Repository/TransactionRecordRepository.cs
@@ -26,11 +26,6 @@ public interface ITransactionRecordRepository : IBaseRepository<TransactionRecor
     /// </summary>
     Task<List<string>> GetDistinctClassifyAsync();
 
-    /// <summary>
-    /// 获取所有不同的交易子分类
-    /// </summary>
-    Task<List<string>> GetDistinctSubClassifyAsync();
-
     /// <summary>
     /// 获取指定月份每天的消费统计
     /// </summary>
@@ -73,6 +68,30 @@ public interface ITransactionRecordRepository : IBaseRepository<TransactionRecor
     /// <param name="pageSize">每页数量</param>
     /// <returns>未分类账单列表</returns>
     Task<List<TransactionRecord>> GetUnclassifiedAsync(int pageSize = 10);
+
+    /// <summary>
+    /// 获取按交易摘要(Reason)分组的统计信息（支持分页）
+    /// </summary>
+    /// <param name="pageIndex">页码，从1开始</param>
+    /// <param name="pageSize">每页数量</param>
+    /// <returns>分组统计列表和总数</returns>
+    Task<(List<ReasonGroupDto> list, int total)> GetReasonGroupsAsync(int pageIndex = 1, int pageSize = 20);
+
+    /// <summary>
+    /// 按摘要批量更新交易记录的分类
+    /// </summary>
+    /// <param name="reason">交易摘要</param>
+    /// <param name="type">交易类型</param>
+    /// <param name="classify">分类名称</param>
+    /// <returns>更新的记录数量</returns>
+    Task<int> BatchUpdateByReasonAsync(string reason, TransactionType type, string classify);
+
+    /// <summary>
+    /// 根据关键词查询交易记录（模糊匹配Reason字段）
+    /// </summary>
+    /// <param name="keyword">关键词</param>
+    /// <returns>匹配的交易记录列表</returns>
+    Task<List<TransactionRecord>> QueryBySqlAsync(string sql);
 }
 
 public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<TransactionRecord>(freeSql), ITransactionRecordRepository
@@ -100,7 +119,6 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
         {
             query = query.Where(t => t.Reason.Contains(searchKeyword) ||
                                      t.Classify.Contains(searchKeyword) ||
-                                     t.SubClassify.Contains(searchKeyword) ||
                                      t.Card.Contains(searchKeyword) ||
                                      t.ImportFrom.Contains(searchKeyword));
         }
@@ -135,14 +153,6 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
             .ToListAsync(t => t.Classify);
     }
 
-    public async Task<List<string>> GetDistinctSubClassifyAsync()
-    {
-        return await FreeSql.Select<TransactionRecord>()
-            .Where(t => !string.IsNullOrEmpty(t.SubClassify))
-            .Distinct()
-            .ToListAsync(t => t.SubClassify);
-    }
-
     public async Task<Dictionary<string, (int count, decimal amount)>> GetDailyStatisticsAsync(int year, int month)
     {
         var startDate = new DateTime(year, month, 1);
@@ -209,4 +219,93 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
             .Page(1, pageSize)
             .ToListAsync();
     }
+
+    public async Task<(List<ReasonGroupDto> list, int total)> GetReasonGroupsAsync(int pageIndex = 1, int pageSize = 20)
+    {
+        // 先按照Reason分组，统计每个Reason的数量
+        var groups = await FreeSql.Select<TransactionRecord>()
+            .Where(t => !string.IsNullOrEmpty(t.Reason))
+            .Where(t => string.IsNullOrEmpty(t.Classify)) // 只统计未分类的
+            .GroupBy(t => t.Reason)
+            .ToListAsync(g => new
+            {
+                Reason = g.Key,
+                Count = g.Count()
+            });
+
+        // 按数量降序排序
+        var sortedGroups = groups.OrderByDescending(g => g.Count).ToList();
+        var total = sortedGroups.Count;
+
+        // 分页
+        var pagedGroups = sortedGroups
+            .Skip((pageIndex - 1) * pageSize)
+            .Take(pageSize)
+            .ToList();
+
+        // 为每个分组获取示例记录
+        var result = new List<ReasonGroupDto>();
+        foreach (var group in pagedGroups)
+        {
+            var sample = await FreeSql.Select<TransactionRecord>()
+                .Where(t => t.Reason == group.Reason)
+                .FirstAsync();
+
+            if (sample != null)
+            {
+                result.Add(new ReasonGroupDto
+                {
+                    Reason = group.Reason,
+                    Count = (int)group.Count,
+                    SampleType = sample.Type,
+                    SampleClassify = sample.Classify ?? string.Empty
+                });
+            }
+        }
+
+        return (result, total);
+    }
+
+    public async Task<int> BatchUpdateByReasonAsync(string reason, TransactionType type, string classify)
+    {
+        return await FreeSql.Update<TransactionRecord>()
+            .Set(t => t.Type, type)
+            .Set(t => t.Classify, classify)
+            .Where(t => t.Reason == reason)
+            .ExecuteAffrowsAsync();
+    }
+
+    public async Task<List<TransactionRecord>> QueryBySqlAsync(string sql)
+    {
+        return await FreeSql.Select<TransactionRecord>()
+            .Where(sql)
+            .OrderByDescending(t => t.OccurredAt)
+            .ToListAsync();
+    }
+}
+
+/// <summary>
+/// 按Reason分组统计DTO
+/// </summary>
+public class ReasonGroupDto
+{
+    /// <summary>
+    /// 交易摘要
+    /// </summary>
+    public string Reason { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 该摘要的记录数量
+    /// </summary>
+    public int Count { get; set; }
+
+    /// <summary>
+    /// 示例交易类型（该分组中第一条记录的类型）
+    /// </summary>
+    public TransactionType SampleType { get; set; }
+
+    /// <summary>
+    /// 示例分类（该分组中第一条记录的分类）
+    /// </summary>
+    public string SampleClassify { get; set; } = string.Empty;
 }
\ No newline at end of file
diff --git a/Service/EmailBackgroundService.cs b/Service/EmailBackgroundService.cs
index 2c94137..29efd7a 100644
--- a/Service/EmailBackgroundService.cs
+++ b/Service/EmailBackgroundService.cs
@@ -195,7 +195,7 @@ public class EmailBackgroundService(
                                     message.Subject,
                                     message.Date.DateTime,
                                     message.TextBody ?? message.HtmlBody ?? string.Empty
-                                ))
+                                ) || (DateTime.Now - message.Date.DateTime > TimeSpan.FromDays(3)))
                             {
                                 #if DEBUG
                                 logger.LogDebug("DEBUG 模式下，跳过标记已读步骤");
diff --git a/Service/EmailHandleService.cs b/Service/EmailHandleService.cs
index 83c9a1f..fd256d5 100644
--- a/Service/EmailHandleService.cs
+++ b/Service/EmailHandleService.cs
@@ -29,24 +29,24 @@ public class EmailHandleService(
         string body
     )
     {
-        var emailMessage = await SaveEmailAsync(from, subject, date, body);
-
-        if (emailMessage == null)
-        {
-            throw new InvalidOperationException("邮件保存失败，无法继续处理");
-        }
-
         var filterForm = emailSettings.Value.FilterFromAddresses;
         if (filterForm.Length == 0)
         {
             logger.LogWarning("未配置邮件过滤条件，跳过账单处理");
-            return true;
+            return false;
         }
 
         if (!filterForm.Any(f => from.Contains(f)))
         {
             logger.LogInformation("邮件不符合发件人过滤条件，跳过账单处理");
-            return true;
+            return false;
+        }
+
+        var emailMessage = await SaveEmailAsync(from, subject, date, body);
+
+        if (emailMessage == null)
+        {
+            throw new InvalidOperationException("邮件保存失败，无法继续处理");
         }
 
         var parsed = await ParseEmailBodyAsync(
@@ -161,7 +161,6 @@ public class EmailHandleService(
         {
             From = from,
             Subject = subject,
-
             ReceivedDate = date,
         };
 
@@ -177,13 +176,15 @@ public class EmailHandleService(
 
         try
         {
-            var existsEmail = await emailRepo.ExistsAsync(from, subject, date, body);
+            var emailMd5 = emailEntity.ComputeBodyHash();
+            var existsEmail = await emailRepo.ExistsAsync(emailMd5);
             if (existsEmail != null)
             {
                 logger.LogInformation("检测到重复邮件，跳过入库：{From} | {Subject} | {Date}", from, subject, date);
                 return existsEmail;
             }
 
+            emailEntity.Md5 = emailMd5;
             var ok = await emailRepo.AddAsync(emailEntity);
             if (ok)
             {
diff --git a/Web/src/App.vue b/Web/src/App.vue
index 4a32b2f..26914e2 100644
--- a/Web/src/App.vue
+++ b/Web/src/App.vue
@@ -3,16 +3,19 @@
     <div class="app-root">
       <RouterView />
       <van-tabbar v-model="active" v-show="showTabbar">
-        <van-tabbar-item icon="notes-o" to="/calendar">
+        <van-tabbar-item icon="notes" to="/calendar">
           日历
         </van-tabbar-item>
-        <van-tabbar-item icon="balance-list-o" to="/" @click="handleTabClick('/')">
+        <van-tabbar-item icon="chart-trending-o" to="/statistics">
+          统计
+        </van-tabbar-item>
+        <van-tabbar-item icon="balance-list" to="/" @click="handleTabClick('/')">
           账单
         </van-tabbar-item>
-        <van-tabbar-item icon="records-o" to="/email" @click="handleTabClick('/email')">
+        <van-tabbar-item icon="records" to="/email" @click="handleTabClick('/email')">
           邮件
         </van-tabbar-item>
-        <van-tabbar-item icon="setting-o" to="/setting">
+        <van-tabbar-item icon="setting" to="/setting">
           设置
         </van-tabbar-item>
       </van-tabbar>
@@ -53,7 +56,8 @@ const showTabbar = computed(() => {
   return route.path === '/' ||
     route.path === '/calendar' ||
     route.path === '/email' ||
-    route.path === '/setting'
+    route.path === '/setting' ||
+    route.path === '/statistics'
 })
 
 const active = ref(0)
diff --git a/Web/src/api/transactionCategory.js b/Web/src/api/transactionCategory.js
index 1c998fa..4736c33 100644
--- a/Web/src/api/transactionCategory.js
+++ b/Web/src/api/transactionCategory.js
@@ -1,44 +1,18 @@
 import request from './request'
 
 /**
- * 获取分类树（支持按类型筛选）
+ * 获取分类列表（支持按类型筛选）
  * @param {string|null} type - 交易类型(Expense=0/Income=1)，null表示获取全部
  * @returns {Promise<{success: boolean, data: Array}>}
  */
-export const getCategoryTree = (type = null) => {
+export const getCategoryList = (type = null) => {
   return request({
-    url: '/TransactionCategory/GetTree',
+    url: '/TransactionCategory/GetList',
     method: 'get',
     params: type !== null ? { type } : {}
   })
 }
 
-/**
- * 获取顶级分类列表（按类型）
- * @param {number} type - 交易类型(Expense=0/Income=1)
- * @returns {Promise<{success: boolean, data: Array}>}
- */
-export const getTopLevelCategories = (type) => {
-  return request({
-    url: '/TransactionCategory/GetTopLevel',
-    method: 'get',
-    params: { type }
-  })
-}
-
-/**
- * 获取子分类列表
- * @param {number} parentId - 父分类ID
- * @returns {Promise<{success: boolean, data: Array}>}
- */
-export const getChildCategories = (parentId) => {
-  return request({
-    url: '/TransactionCategory/GetChildren',
-    method: 'get',
-    params: { parentId }
-  })
-}
-
 /**
  * 根据ID获取分类详情
  * @param {number} id - 分类ID
@@ -53,7 +27,7 @@ export const getCategoryById = (id) => {
 
 /**
  * 创建分类
- * @param {object} data - 分类数据
+ * @param {object} data - 分类数据 { name, type }
  * @returns {Promise<{success: boolean, data: number}>} 返回新创建的分类ID
  */
 export const createCategory = (data) => {
@@ -66,7 +40,7 @@ export const createCategory = (data) => {
 
 /**
  * 更新分类
- * @param {object} data - 分类数据
+ * @param {object} data - 分类数据 { id, name }
  * @returns {Promise<{success: boolean}>}
  */
 export const updateCategory = (data) => {
@@ -92,7 +66,7 @@ export const deleteCategory = (id) => {
 
 /**
  * 批量创建分类（用于初始化）
- * @param {Array} dataList - 分类数据数组
+ * @param {Array} dataList - 分类数据数组 [{ name, type }, ...]
  * @returns {Promise<{success: boolean, data: number}>} 返回创建的数量
  */
 export const batchCreateCategories = (dataList) => {
diff --git a/Web/src/api/transactionRecord.js b/Web/src/api/transactionRecord.js
index 1e716b3..6d552e0 100644
--- a/Web/src/api/transactionRecord.js
+++ b/Web/src/api/transactionRecord.js
@@ -41,7 +41,6 @@ export const getTransactionDetail = (id) => {
  * @param {number} data.balance - 交易后余额
  * @param {number} data.type - 交易类型 (0:支出, 1:收入, 2:不计入收支)
  * @param {string} data.classify - 交易分类
- * @param {string} data.subClassify - 交易子分类
  * @returns {Promise<{success: boolean}>}
  */
 export const createTransaction = (data) => {
@@ -60,7 +59,6 @@ export const createTransaction = (data) => {
  * @param {number} data.balance - 交易后余额
  * @param {number} data.type - 交易类型 (0:支出, 1:收入, 2:不计入收支)
  * @param {string} data.classify - 交易分类
- * @param {string} data.subClassify - 交易子分类
  * @returns {Promise<{success: boolean}>}
  */
 export const updateTransaction = (data) => {
@@ -99,7 +97,7 @@ export const getTransactionsByDate = (date) => {
 
 
 // 注意：分类相关的API已迁移到 transactionCategory.js
-// 请使用 getCategoryTree 等新接口
+// 请使用 getCategoryList 等新接口
 
 /**
  * 获取未分类的账单数量
@@ -127,13 +125,13 @@ export const getUnclassified = (pageSize = 10) => {
 
 /**
  * 智能分类 - 使用AI对账单进行分类（EventSource流式响应）
- * @param {number} pageSize - 每次分类的账单数量
- * @returns {EventSource} 返回EventSource对象用于接收流式数据
+ * @param {Array<number>} transactionIds - 要分类的账单ID列表
+ * @returns {Promise<Response>} 返回响应对象用于接收流式数据
  */
-export const smartClassify = (pageSize = 10) => {
-  const baseURL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:5000'
+export const smartClassify = (transactionIds = []) => {
+  const baseURL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:5071/api'
   const token = localStorage.getItem('token')
-  const url = `${baseURL}/api/TransactionRecord/SmartClassify`
+  const url = `${baseURL}/TransactionRecord/SmartClassify`
   
   return fetch(url, {
     method: 'POST',
@@ -141,7 +139,7 @@ export const smartClassify = (pageSize = 10) => {
       'Content-Type': 'application/json',
       'Authorization': `Bearer ${token}`
     },
-    body: JSON.stringify({ pageSize })
+    body: JSON.stringify({ transactionIds })
   })
 }
 
@@ -149,8 +147,7 @@ export const smartClassify = (pageSize = 10) => {
  * 批量更新账单分类
  * @param {Array} items - 要更新的账单分类数据数组
  * @param {number} items[].id - 账单ID
- * @param {string} items[].classify - 一级分类
- * @param {string} items[].subClassify - 子分类
+ * @param {string} items[].classify - 分类
  * @returns {Promise<{success: boolean, message: string}>}
  */
 export const batchUpdateClassify = (items) => {
@@ -160,3 +157,46 @@ export const batchUpdateClassify = (items) => {
     data: items
   })
 }
+
+/**
+ * 获取按交易摘要分组的统计信息（支持分页）
+ * @param {number} pageIndex - 页码，从1开始
+ * @param {number} pageSize - 每页数量，默认20
+ * @returns {Promise<{success: boolean, data: Array, total: number}>}
+ */
+export const getReasonGroups = (pageIndex = 1, pageSize = 20) => {
+  return request({
+    url: '/TransactionRecord/GetReasonGroups',
+    method: 'get',
+    params: { pageIndex, pageSize }
+  })
+}
+
+/**
+ * 按摘要批量更新分类
+ * @param {Object} data - 批量更新数据
+ * @param {string} data.reason - 交易摘要
+ * @param {number} data.type - 交易类型 (0:支出, 1:收入, 2:不计入收支)
+ * @param {string} data.classify - 分类名称
+ * @returns {Promise<{success: boolean, data: number, message: string}>}
+ */
+export const batchUpdateByReason = (data) => {
+  return request({
+    url: '/TransactionRecord/BatchUpdateByReason',
+    method: 'post',
+    data
+  })
+}
+
+/**
+ * NLP分析 - 根据用户自然语言输入查询交易记录并预设分类
+ * @param {string} userInput - 用户的自然语言输入
+ * @returns {Promise<{success: boolean, data: Object}>}
+ */
+export const nlpAnalysis = (userInput) => {
+  return request({
+    url: '/TransactionRecord/NlpAnalysis',
+    method: 'post',
+    data: { userInput }
+  })
+}
diff --git a/Web/src/components/TransactionDetail.vue b/Web/src/components/TransactionDetail.vue
index 40782b9..4475a0b 100644
--- a/Web/src/components/TransactionDetail.vue
+++ b/Web/src/components/TransactionDetail.vue
@@ -57,24 +57,43 @@
             @click="showTypePicker = true"
             :rules="[{ required: true, message: '请选择交易类型' }]"
           />
-          <van-field
-            v-model="editForm.classify"
-            is-link
-            readonly
-            name="classify"
-            label="交易分类"
-            placeholder="请选择或输入交易分类"
-            @click="openClassifyPicker"
-          />
-          <van-field
-            v-model="editForm.subClassify"
-            is-link
-            readonly
-            name="subClassify"
-            label="交易子分类"
-            placeholder="请选择或输入交易子分类"
-            @click="showSubClassifyPicker = true"
-          />
+          <van-field name="classify" label="交易分类">
+            <template #input>
+              <span v-if="!editForm.classify" style="color: #c8c9cc;">请选择交易分类</span>
+              <span v-else>{{ editForm.classify }}</span>
+            </template>
+          </van-field>
+          
+          <!-- 分类按钮网格 -->
+          <div class="classify-buttons">
+            <van-button
+              v-for="item in classifyColumns"
+              :key="item.id"
+              :type="editForm.classify === item.text ? 'primary' : 'default'"
+              size="small"
+              class="classify-btn"
+              @click="selectClassify(item.text)"
+            >
+              {{ item.text }}
+            </van-button>
+            <van-button
+              type="success"
+              size="small"
+              class="classify-btn"
+              @click="showAddClassify = true"
+            >
+              + 新增
+            </van-button>
+            <van-button
+              v-if="editForm.classify"
+              type="warning"
+              size="small"
+              class="classify-btn"
+              @click="clearClassify"
+            >
+              清空
+            </van-button>
+          </div>
         </van-cell-group>
 
         <div style="margin: 16px;">
@@ -96,42 +115,6 @@
     />
   </van-popup>
 
-  <!-- 交易分类选择器 -->
-  <van-popup v-model:show="showClassifyPicker" position="bottom" round>
-    <van-picker
-      ref="classifyPickerRef"
-      :columns="classifyColumns"
-      @confirm="onClassifyConfirm"
-      @cancel="showClassifyPicker = false"
-    >
-      <template #toolbar>
-        <div class="picker-toolbar">
-          <van-button class="toolbar-cancel" size="small" @click="clearClassify">清空</van-button>
-          <van-button class="toolbar-add" size="small" type="primary" @click="showAddClassify = true">新增</van-button>
-          <van-button class="toolbar-confirm" size="small" type="primary" @click="confirmClassify">确认</van-button>
-        </div>
-      </template>
-    </van-picker>
-  </van-popup>
-
-  <!-- 交易子分类选择器 -->
-  <van-popup v-model:show="showSubClassifyPicker" position="bottom" round>
-    <van-picker
-      ref="subClassifyPickerRef"
-      :columns="subClassifyColumns"
-      @confirm="onSubClassifyConfirm"
-      @cancel="showSubClassifyPicker = false"
-    >
-      <template #toolbar>
-        <div class="picker-toolbar">
-          <van-button class="toolbar-cancel" size="small" @click="clearSubClassify">清空</van-button>
-          <van-button class="toolbar-add" size="small" type="primary" @click="showAddSubClassify = true">新增</van-button>
-          <van-button class="toolbar-confirm" size="small" type="primary" @click="confirmSubClassify">确认</van-button>
-        </div>
-      </template>
-    </van-picker>
-  </van-popup>
-
   <!-- 新增分类对话框 -->
   <van-dialog 
     v-model:show="showAddClassify" 
@@ -141,23 +124,13 @@
   >
     <van-field v-model="newClassify" placeholder="请输入新的交易分类" />
   </van-dialog>
-
-  <!-- 新增子分类对话框 -->
-  <van-dialog 
-    v-model:show="showAddSubClassify" 
-    title="新增交易子分类" 
-    show-cancel-button
-    @confirm="addNewSubClassify"
-  >
-    <van-field v-model="newSubClassify" placeholder="请输入新的交易子分类" />
-  </van-dialog>
 </template>
 
 <script setup>
 import { ref, reactive, watch, defineProps, defineEmits } from 'vue'
 import { showToast } from 'vant'
 import { updateTransaction } from '@/api/transactionRecord'
-import { getCategoryTree, createCategory } from '@/api/transactionCategory'
+import { getCategoryList, createCategory } from '@/api/transactionCategory'
 
 const props = defineProps({
   show: {
@@ -184,16 +157,9 @@ const typeColumns = [
 
 // 分类相关
 const classifyColumns = ref([])
-const subClassifyColumns = ref([])
 const showTypePicker = ref(false)
-const showClassifyPicker = ref(false)
-const showSubClassifyPicker = ref(false)
 const showAddClassify = ref(false)
-const showAddSubClassify = ref(false)
 const newClassify = ref('')
-const newSubClassify = ref('')
-const classifyPickerRef = ref(null)
-const subClassifyPickerRef = ref(null)
 
 // 编辑表单
 const editForm = reactive({
@@ -203,8 +169,7 @@ const editForm = reactive({
   balance: '',
   type: 0,
   typeText: '',
-  classify: '',
-  subClassify: ''
+  classify: ''
 })
 
 // 监听props变化
@@ -222,7 +187,6 @@ watch(() => props.transaction, (newVal) => {
     editForm.type = newVal.type
     editForm.typeText = getTypeName(newVal.type)
     editForm.classify = newVal.classify || ''
-    editForm.subClassify = newVal.subClassify || ''
     
     // 根据交易类型加载分类
     loadClassifyList(newVal.type)
@@ -235,9 +199,8 @@ watch(visible, (newVal) => {
 
 // 监听交易类型变化，重新加载分类
 watch(() => editForm.type, (newVal) => {
-  // 清空已选的分类和子分类
+  // 清空已选的分类
   editForm.classify = ''
-  editForm.subClassify = ''
   // 重新加载对应类型的分类列表
   loadClassifyList(newVal)
 })
@@ -246,17 +209,15 @@ const handleVisibleChange = (newVal) => {
   emit('update:show', newVal)
 }
 
-// 加载分类列表（从分类树中提取）
+// 加载分类列表
 const loadClassifyList = async (type = null) => {
   try {
-    const response = await getCategoryTree(type)
+    const response = await getCategoryList(type)
     if (response.success) {
-      // 从树形结构中提取分类名称（Level 2）
       classifyColumns.value = (response.data || []).map(item => ({
         text: item.name,
         value: item.name,
-        id: item.id,
-        children: item.children || []
+        id: item.id
       }))
     }
   } catch (error) {
@@ -264,25 +225,6 @@ const loadClassifyList = async (type = null) => {
   }
 }
 
-// 加载子分类列表（根据选中的分类）
-const loadSubClassifyList = async (classifyName) => {
-  try {
-    // 从已加载的分类树中查找对应的子分类
-    const classifyItem = classifyColumns.value.find(item => item.value === classifyName)
-    if (classifyItem && classifyItem.children) {
-      subClassifyColumns.value = classifyItem.children.map(child => ({
-        text: child.name,
-        value: child.name,
-        id: child.id
-      }))
-    } else {
-      subClassifyColumns.value = []
-    }
-  } catch (error) {
-    console.error('加载子分类列表出错:', error)
-  }
-}
-
 // 提交编辑
 const onSubmit = async () => {
   try {
@@ -294,8 +236,7 @@ const onSubmit = async () => {
       amount: parseFloat(editForm.amount),
       balance: parseFloat(editForm.balance),
       type: editForm.type,
-      classify: editForm.classify,
-      subClassify: editForm.subClassify
+      classify: editForm.classify
     }
     
     const response = await updateTransaction(data)
@@ -316,11 +257,9 @@ const onSubmit = async () => {
   }
 }
 
-// 打开分类选择器
-const openClassifyPicker = async () => {
-  // 先根据当前交易类型加载分类
-  await loadClassifyList(editForm.type)
-  showClassifyPicker.value = true
+// 选择分类
+const selectClassify = (classify) => {
+  editForm.classify = classify
 }
 
 // 交易类型选择确认
@@ -330,24 +269,6 @@ const onTypeConfirm = ({ selectedValues, selectedOptions }) => {
   showTypePicker.value = false
 }
 
-// 交易分类选择确认
-const onClassifyConfirm = async ({ selectedOptions }) => {
-  if (selectedOptions && selectedOptions[0]) {
-    editForm.classify = selectedOptions[0].text
-    // 加载对应的子分类
-    await loadSubClassifyList(selectedOptions[0].value)
-  }
-  showClassifyPicker.value = false
-}
-
-// 交易子分类选择确认
-const onSubClassifyConfirm = ({ selectedOptions }) => {
-  if (selectedOptions && selectedOptions[0]) {
-    editForm.subClassify = selectedOptions[0].text
-  }
-  showSubClassifyPicker.value = false
-}
-
 // 新增分类
 const addNewClassify = async () => {
   if (!newClassify.value.trim()) {
@@ -361,10 +282,7 @@ const addNewClassify = async () => {
     // 调用API创建分类
     const response = await createCategory({
       name: categoryName,
-      parentId: 0,
-      type: editForm.type,
-      level: 2,
-      sortOrder: 0
+      type: editForm.type
     })
     
     if (response.success) {
@@ -381,95 +299,15 @@ const addNewClassify = async () => {
   } finally {
     newClassify.value = ''
     showAddClassify.value = false
-    showClassifyPicker.value = false
-  }
-}
-
-// 新增子分类
-const addNewSubClassify = async () => {
-  if (!newSubClassify.value.trim()) {
-    showToast('请输入子分类名称')
-    return
-  }
-  
-  if (!editForm.classify) {
-    showToast('请先选择分类')
-    return
-  }
-  
-  try {
-    const subCategoryName = newSubClassify.value.trim()
-    
-    // 找到父分类的ID
-    const parentCategory = classifyColumns.value.find(c => c.value === editForm.classify)
-    if (!parentCategory || !parentCategory.id) {
-      showToast('未找到父分类信息')
-      return
-    }
-    
-    // 调用API创建子分类
-    const response = await createCategory({
-      name: subCategoryName,
-      parentId: parentCategory.id,
-      type: editForm.type,
-      level: 3,
-      sortOrder: 0
-    })
-    
-    if (response.success) {
-      showToast('子分类创建成功')
-      // 重新加载子分类列表
-      await loadSubClassifyList(editForm.classify)
-      editForm.subClassify = subCategoryName
-    } else {
-      showToast(response.message || '创建子分类失败')
-    }
-  } catch (error) {
-    console.error('创建子分类出错:', error)
-    showToast('创建子分类失败')
-  } finally {
-    newSubClassify.value = ''
-    showAddSubClassify.value = false
-    showSubClassifyPicker.value = false
   }
 }
 
 // 清空分类
 const clearClassify = () => {
   editForm.classify = ''
-  showClassifyPicker.value = false
   showToast('已清空分类')
 }
 
-// 清空子分类
-const clearSubClassify = () => {
-  editForm.subClassify = ''
-  showSubClassifyPicker.value = false
-  showToast('已清空子分类')
-}
-
-// 确认分类（从 picker 中获取选中值）
-const confirmClassify = () => {
-  if (classifyPickerRef.value) {
-    const selectedValues = classifyPickerRef.value.getSelectedOptions()
-    if (selectedValues && selectedValues[0]) {
-      editForm.classify = selectedValues[0].text
-    }
-  }
-  showClassifyPicker.value = false
-}
-
-// 确认子分类（从 picker 中获取选中值）
-const confirmSubClassify = () => {
-  if (subClassifyPickerRef.value) {
-    const selectedValues = subClassifyPickerRef.value.getSelectedOptions()
-    if (selectedValues && selectedValues[0]) {
-      editForm.subClassify = selectedValues[0].text
-    }
-  }
-  showSubClassifyPicker.value = false
-}
-
 // 获取交易类型名称
 const getTypeName = (type) => {
   const typeMap = {
@@ -503,19 +341,16 @@ const formatDate = (dateString) => {
   margin: 10px 0;
 }
 
-.picker-toolbar {
+.classify-buttons {
   display: flex;
-  width: 100%;
-  align-items: center;
-  padding: 5px 10px;
-  border-bottom: 1px solid #ebedf0;
+  flex-wrap: wrap;
+  gap: 8px;
+  padding: 12px 16px;
 }
 
-.toolbar-cancel {
-  margin-right: auto;
-}
-
-.toolbar-confirm {
-  margin-left: auto;
+.classify-btn {
+  flex: 0 0 auto;
+  min-width: 70px;
+  border-radius: 16px;
 }
 </style>
diff --git a/Web/src/components/TransactionList.vue b/Web/src/components/TransactionList.vue
index d7a5613..dac4585 100644
--- a/Web/src/components/TransactionList.vue
+++ b/Web/src/components/TransactionList.vue
@@ -11,47 +11,74 @@
           v-for="transaction in transactions"
           :key="transaction.id"
         >
-          <div
-            class="transaction-card"
-            @click="handleClick(transaction)"
-          >
-            <div class="card-left">
-              <div class="transaction-title">
-                <span class="reason">{{ transaction.reason || '(无摘要)' }}</span>
+          <div class="transaction-row">
+            <van-checkbox 
+              v-if="showCheckbox"
+              :model-value="isSelected(transaction.id)"
+              @update:model-value="toggleSelection(transaction)"
+              class="checkbox-col"
+            />
+            <div
+              class="transaction-card"
+              @click="handleClick(transaction)"
+            >
+              <div class="card-left">
+                <div class="transaction-title">
+                  <span class="reason">{{ transaction.reason || '(无摘要)' }}</span>
+                </div>
+                <div class="transaction-info">
+                  <div>交易时间: {{ formatDate(transaction.occurredAt) }}</div>
+                  <div>
+                    <span v-if="transaction.classify">
+                      分类: {{ transaction.classify }}
+                    </span>
+                    <span v-if="transaction.upsetedClassify && transaction.upsetedClassify !== transaction.classify" style="color: #ff976a">
+                      → {{ transaction.upsetedClassify }}
+                    </span>
+                    
+                  </div>
+                  <div v-if="transaction.card">
+                    卡号: {{ transaction.card }}
+                  </div>
+                  <div v-if="transaction.importFrom">
+                    来源: {{ transaction.importFrom }}
+                  </div>
+                </div>
+              </div>
+              <div class="card-middle">
                 <van-tag 
                   :type="getTypeTagType(transaction.type)" 
                   size="medium"
                 >
                   {{ getTypeName(transaction.type) }}
                 </van-tag>
+                <template 
+                  v-if="Number.isFinite(transaction.upsetedType) && transaction.upsetedType !== transaction.type" 
+                >
+                  →
+                  <van-tag
+                    :type="getTypeTagType(transaction.upsetedType)" 
+                    size="medium"
+                  >
+                    {{ getTypeName(transaction.upsetedType) }}
+                  </van-tag>
+                </template>
               </div>
-              <div class="transaction-info">
-                <div>交易时间: {{ formatDate(transaction.occurredAt) }}</div>
-                <div v-if="transaction.classify">分类: {{ transaction.classify }} 
-                  <span v-if="transaction.subClassify">/ {{ transaction.subClassify }}</span>
-                </div>
-                <div v-if="transaction.card">
-                  卡号: {{ transaction.card }}
-                </div>
-                <div v-if="transaction.importFrom">
-                  来源: {{ transaction.importFrom }}
+              <div class="card-right">
+                <div class="transaction-amount">
+                  <div :class="['amount', getAmountClass(transaction.type)]">
+                    {{ formatAmount(transaction.amount, transaction.type) }}
+                  </div>
+                  <div class="balance" v-if="transaction.balance && transaction.balance > 0">
+                    余额: {{ formatMoney(transaction.balance) }}
+                  </div>
+                  <div class="balance" v-if="transaction.refundAmount && transaction.refundAmount > 0">
+                    退款: {{ formatMoney(transaction.refundAmount) }}
+                  </div>
                 </div>
+                <van-icon name="arrow" size="16" color="#c8c9cc" />
               </div>
             </div>
-            <div class="card-right">
-              <div class="transaction-amount">
-                <div :class="['amount', getAmountClass(transaction.type)]">
-                  {{ formatAmount(transaction.amount, transaction.type) }}
-                </div>
-                <div class="balance" v-if="transaction.balance && transaction.balance > 0">
-                  余额: {{ formatMoney(transaction.balance) }}
-                </div>
-                <div class="balance" v-if="transaction.refundAmount && transaction.refundAmount > 0">
-                  退款: {{ formatMoney(transaction.refundAmount) }}
-                </div>
-              </div>
-              <van-icon name="arrow" size="16" color="#c8c9cc" />
-            </div>
           </div>
           <template #right v-if="showDelete">
             <van-button 
@@ -76,7 +103,7 @@
 <script setup>
 import { defineEmits } from 'vue'
 
-defineProps({
+const props = defineProps({
   transactions: {
     type: Array,
     default: () => []
@@ -92,10 +119,18 @@ defineProps({
   showDelete: {
     type: Boolean,
     default: true
+  },
+  showCheckbox: {
+    type: Boolean,
+    default: false
+  },
+  selectedIds: {
+    type: Set,
+    default: () => new Set()
   }
 })
 
-const emit = defineEmits(['load', 'click', 'delete'])
+const emit = defineEmits(['load', 'click', 'delete', 'update:selectedIds'])
 
 const onLoad = () => {
   emit('load')
@@ -109,6 +144,20 @@ const handleDeleteClick = (transaction) => {
   emit('delete', transaction)
 }
 
+const isSelected = (id) => {
+  return props.selectedIds.has(id)
+}
+
+const toggleSelection = (transaction) => {
+  const newSelectedIds = new Set(props.selectedIds)
+  if (newSelectedIds.has(transaction.id)) {
+    newSelectedIds.delete(transaction.id)
+  } else {
+    newSelectedIds.add(transaction.id)
+  }
+  emit('update:selectedIds', newSelectedIds)
+}
+
 // 获取交易类型名称
 const getTypeName = (type) => {
   const typeMap = {
@@ -168,6 +217,18 @@ const formatDate = (dateString) => {
   width: 100%;
 }
 
+.transaction-row {
+  display: flex;
+  align-items: center;
+  width: 100%;
+  overflow: hidden;
+}
+
+.checkbox-col {
+  padding: 12px 8px;
+  flex-shrink: 0;
+}
+
 .transaction-card {
   display: flex;
   justify-content: space-between;
@@ -175,12 +236,27 @@ const formatDate = (dateString) => {
   padding: 12px 16px;
   cursor: pointer;
   transition: background-color 0.3s;
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  position: relative;
 }
 
 .card-left {
   flex: 1;
   min-width: 0;
   padding-right: 12px;
+  overflow: hidden;
+}
+
+.card-middle {
+  position: absolute;
+  top: 12px;
+  right: 20px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  z-index: 1;
 }
 
 .card-right {
@@ -191,14 +267,13 @@ const formatDate = (dateString) => {
 }
 
 .transaction-title {
-  display: flex;
-  align-items: center;
   font-weight: bold;
   margin-bottom: 8px;
-  gap: 8px;
+  overflow: hidden;
 }
 
 .reason {
+  display: block;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
@@ -212,6 +287,14 @@ const formatDate = (dateString) => {
   line-height: 1.6;
 }
 
+.original-info {
+  color: #ff976a;
+  font-style: italic;
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
 .transaction-amount {
   text-align: right;
   display: flex;
@@ -235,10 +318,6 @@ const formatDate = (dateString) => {
   color: #07c160;
 }
 
-.amount.neutral {
-  color: #646566;
-}
-
 .balance {
   font-size: 12px;
   color: #969799;
diff --git a/Web/src/router/index.js b/Web/src/router/index.js
index 1660694..3aee6d8 100644
--- a/Web/src/router/index.js
+++ b/Web/src/router/index.js
@@ -37,7 +37,25 @@ const router = createRouter({
     {
       path: '/smart-classification',
       name: 'smart-classification',
-      component: () => import('../views/SmartClassification.vue'),
+      component: () => import('../views/ClassificationSmart.vue'),
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/classification-edit',
+      name: 'classification-edit',
+      component: () => import('../views/ClassificationEdit.vue'),
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/classification-batch',
+      name: 'classification-batch',
+      component: () => import('../views/ClassificationBatch.vue'),
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/classification-nlp',
+      name: 'classification-nlp',
+      component: () => import('../views/ClassificationNLP.vue'),
       meta: { requiresAuth: true },
     }
   ],
diff --git a/Web/src/views/CalendarView.vue b/Web/src/views/CalendarView.vue
index 7bbfd62..88c97fe 100644
--- a/Web/src/views/CalendarView.vue
+++ b/Web/src/views/CalendarView.vue
@@ -1,190 +1,211 @@
 <template>
   <div class="calendar-container">
-    <van-calendar title="日历" 
-      :poppable="false" 
-      :show-confirm="false" 
-      :formatter="formatterCalendar" 
+    <van-calendar
+      title="日历"
+      :poppable="false"
+      :show-confirm="false"
+      :formatter="formatterCalendar"
       :min-date="minDate"
-      :max-date="maxDate" 
-      @month-show="onMonthShow" 
-      @select="onDateSelect" />
+      :max-date="maxDate"
+      @month-show="onMonthShow"
+      @select="onDateSelect"
+    />
 
     <!-- 日期交易列表弹出层 -->
-    <van-popup v-model:show="listVisible" position="bottom" :style="{ height: '85%' }" round closeable>
+    <van-popup
+      v-model:show="listVisible"
+      position="bottom"
+      :style="{ height: '85%' }"
+      round
+      closeable
+    >
       <div class="date-transactions">
         <div class="popup-header">
           <h3>{{ selectedDateText }}</h3>
           <p v-if="dateTransactions.length">共 {{ dateTransactions.length }} 笔交易</p>
         </div>
 
-        <TransactionList :transactions="dateTransactions" :loading="listLoading" :finished="true" :show-delete="false"
-          @click="viewDetail" />
+        <TransactionList
+          :transactions="dateTransactions"
+          :loading="listLoading"
+          :finished="true"
+          :show-delete="false"
+          @click="viewDetail"
+        />
       </div>
     </van-popup>
 
     <!-- 交易详情组件 -->
-    <TransactionDetail v-model:show="detailVisible" :transaction="currentTransaction" @save="onDetailSave" />
+    <TransactionDetail
+      v-model:show="detailVisible"
+      :transaction="currentTransaction"
+      @save="onDetailSave"
+    />
   </div>
 </template>
 
 <script setup>
-import { ref, onMounted, nextTick } from 'vue'
-import { showToast } from 'vant'
-import request from '@/api/request'
-import { getTransactionDetail, getTransactionsByDate } from '@/api/transactionRecord'
-import TransactionList from '@/components/TransactionList.vue'
-import TransactionDetail from '@/components/TransactionDetail.vue'
+import { ref, onMounted, nextTick } from "vue";
+import { showToast } from "vant";
+import request from "@/api/request";
+import { getTransactionDetail, getTransactionsByDate } from "@/api/transactionRecord";
+import TransactionList from "@/components/TransactionList.vue";
+import TransactionDetail from "@/components/TransactionDetail.vue";
 
-const dailyStatistics = ref({})
-const listVisible = ref(false)
-const detailVisible = ref(false)
-const dateTransactions = ref([])
-const currentTransaction = ref(null)
-const listLoading = ref(false)
-const selectedDate = ref(null)
-const selectedDateText = ref('')
+const dailyStatistics = ref({});
+const listVisible = ref(false);
+const detailVisible = ref(false);
+const dateTransactions = ref([]);
+const currentTransaction = ref(null);
+const listLoading = ref(false);
+const selectedDate = ref(null);
+const selectedDateText = ref("");
 
 // 设置日历可选范围（例如：过去2年到未来1年）
-const minDate = new Date(new Date().getFullYear() - 2, 0, 1) // 2年前的1月1日
-const maxDate = new Date(new Date().getFullYear() + 1, 11, 31) // 明年12月31日
+const minDate = new Date(new Date().getFullYear() - 2, 0, 1); // 2年前的1月1日
+const maxDate = new Date(new Date().getFullYear() + 1, 11, 31); // 明年12月31日
 
 onMounted(async () => {
-  await nextTick()
+  await nextTick();
   setTimeout(() => {
     // 计算页面高度，滚动3/4高度以显示更多日期
-    const height = document.querySelector('.calendar-container').clientHeight * 0.45
-    document
-      .querySelector('.van-calendar__body')
-      .scrollBy({
-        top: -height,
-        behavior: 'smooth'
-      })
+    const height = document.querySelector(".calendar-container").clientHeight * 0.45;
+    document.querySelector(".van-calendar__body").scrollBy({
+      top: -height,
+      behavior: "smooth",
+    });
   }, 300);
-})
+});
 
 // 获取日历统计数据
 const fetchDailyStatistics = async (year, month) => {
   try {
-    const response = await request.get('/TransactionRecord/GetDailyStatistics', {
-      params: { year, month }
-    })
+    const response = await request.get("/TransactionRecord/GetDailyStatistics", {
+      params: { year, month },
+    });
     if (response.success && response.data) {
       // 将数组转换为对象，key为日期
-      const statsMap = {}
-      response.data.forEach(item => {
+      const statsMap = {};
+      response.data.forEach((item) => {
         statsMap[item.date] = {
           count: item.count,
-          amount: item.amount
-        }
-      })
+          amount: item.amount,
+        };
+      });
       dailyStatistics.value = {
         ...dailyStatistics.value,
-        ...statsMap
-      }
+        ...statsMap,
+      };
     }
   } catch (error) {
-    console.error('获取日历统计数据失败:', error)
+    console.error("获取日历统计数据失败:", error);
   }
-}
+};
 
 // 获取指定日期的交易列表
 const fetchDateTransactions = async (date) => {
   try {
-    listLoading.value = true
-    const dateStr = date.toLocaleString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit' }).replace(/\//g, '-')
+    listLoading.value = true;
+    const dateStr = date
+      .toLocaleString("zh-CN", { year: "numeric", month: "2-digit", day: "2-digit" })
+      .replace(/\//g, "-");
 
-    const response = await getTransactionsByDate(dateStr)
+    const response = await getTransactionsByDate(dateStr);
 
     if (response.success && response.data) {
-      dateTransactions.value = response.data
+      // 根据金额从大到小排序
+      dateTransactions.value = response
+        .data
+        .sort((a, b) => b.amount - a.amount);
     } else {
-      dateTransactions.value = []
-      showToast(response.message || '获取交易列表失败')
+      dateTransactions.value = [];
+      showToast(response.message || "获取交易列表失败");
     }
   } catch (error) {
-    console.error('获取日期交易列表失败:', error)
-    dateTransactions.value = []
-    showToast('获取交易列表失败')
+    console.error("获取日期交易列表失败:", error);
+    dateTransactions.value = [];
+    showToast("获取交易列表失败");
   } finally {
-    listLoading.value = false
+    listLoading.value = false;
   }
-}
+};
 
 // 当月份显示时触发
 const onMonthShow = ({ date }) => {
-  const year = date.getFullYear()
-  const month = date.getMonth() + 1
-  fetchDailyStatistics(year, month)
-}
+  const year = date.getFullYear();
+  const month = date.getMonth() + 1;
+  fetchDailyStatistics(year, month);
+};
 
 // 日期选择事件
 const onDateSelect = (date) => {
-  selectedDate.value = date
-  selectedDateText.value = formatSelectedDate(date)
-  fetchDateTransactions(date)
-  listVisible.value = true
-}
+  selectedDate.value = date;
+  selectedDateText.value = formatSelectedDate(date);
+  fetchDateTransactions(date);
+  listVisible.value = true;
+};
 
 // 格式化选中的日期
 const formatSelectedDate = (date) => {
-  return date.toLocaleDateString('zh-CN', {
-    year: 'numeric',
-    month: 'long',
-    day: 'numeric',
-    weekday: 'long'
-  })
-}
+  return date.toLocaleDateString("zh-CN", {
+    year: "numeric",
+    month: "long",
+    day: "numeric",
+    weekday: "long",
+  });
+};
 
 // 查看详情
 const viewDetail = async (transaction) => {
   try {
-    const response = await getTransactionDetail(transaction.id)
+    const response = await getTransactionDetail(transaction.id);
     if (response.success) {
-      currentTransaction.value = response.data
-      detailVisible.value = true
+      currentTransaction.value = response.data;
+      detailVisible.value = true;
     } else {
-      showToast(response.message || '获取详情失败')
+      showToast(response.message || "获取详情失败");
     }
   } catch (error) {
-    console.error('获取详情出错:', error)
-    showToast('获取详情失败')
+    console.error("获取详情出错:", error);
+    showToast("获取详情失败");
   }
-}
+};
 
 // 详情保存后的回调
 const onDetailSave = () => {
   // 重新加载当前日期的交易列表
   if (selectedDate.value) {
-    fetchDateTransactions(selectedDate.value)
+    fetchDateTransactions(selectedDate.value);
   }
 
   // 重新加载当前月份的统计数据
-  const now = selectedDate.value || new Date()
-  fetchDailyStatistics(now.getFullYear(), now.getMonth() + 1)
-}
+  const now = selectedDate.value || new Date();
+  fetchDailyStatistics(now.getFullYear(), now.getMonth() + 1);
+};
 
 const formatterCalendar = (day) => {
   const dayCopy = { ...day };
   if (dayCopy.date.toDateString() === new Date().toDateString()) {
-    dayCopy.text = '今天';
+    dayCopy.text = "今天";
   }
 
   // 格式化日期为 yyyy-MM-dd
-  const dateKey = dayCopy.date.toLocaleString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit' }).replace(/\//g, '-');
-  const stats = dailyStatistics.value[dateKey]
+  const dateKey = dayCopy.date
+    .toLocaleString("zh-CN", { year: "numeric", month: "2-digit", day: "2-digit" })
+    .replace(/\//g, "-");
+  const stats = dailyStatistics.value[dateKey];
 
   if (stats) {
-    dayCopy.topInfo = `${stats.count}笔` // 展示消费笔数
-    dayCopy.bottomInfo = `${stats.amount.toFixed(1)}元` // 展示消费金额
+    dayCopy.topInfo = `${stats.count}笔`; // 展示消费笔数
+    dayCopy.bottomInfo = `${stats.amount.toFixed(1)}元`; // 展示消费金额
   }
 
   return dayCopy;
 };
 
 // 初始加载当前月份数据
-const now = new Date()
-fetchDailyStatistics(now.getFullYear(), now.getMonth() + 1)
-
+const now = new Date();
+fetchDailyStatistics(now.getFullYear(), now.getMonth() + 1);
 </script>
 
 <style scoped>
@@ -238,4 +259,4 @@ fetchDailyStatistics(now.getFullYear(), now.getMonth() + 1)
   font-size: 14px;
   color: #969799;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/Web/src/views/ClassificationBatch.vue b/Web/src/views/ClassificationBatch.vue
new file mode 100644
index 0000000..1267385
--- /dev/null
+++ b/Web/src/views/ClassificationBatch.vue
@@ -0,0 +1,515 @@
+<template>
+  <div style="padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));">
+    <van-nav-bar 
+      title="批量分类" 
+      left-text="返回"
+      left-arrow
+      @click-left="handleBack" 
+      placeholder
+    />
+
+    <!-- 未分类账单统计 -->
+    <div class="unclassified-stat">
+      <span>未分类账单数: {{ unclassifiedCount }}</span>
+    </div>
+
+    <!-- 分组列表 -->
+    <div>
+      <van-empty v-if="reasonGroups.length === 0 && !listLoading && finished" description="暂无数据" />
+      
+      <van-list
+        v-model:loading="listLoading"
+        v-model:error="error"
+        :finished="finished"
+        finished-text="没有更多了"
+        error-text="请求失败，点击重新加载"
+        @load="onLoad"
+      >
+        <van-cell-group inset>
+          <van-cell 
+            v-for="group in reasonGroups" 
+            :key="group.reason"
+            clickable
+            @click="handleSelectGroup(group)"
+          >
+            <template #title>
+              <div class="group-title">
+                {{ group.reason }}
+              </div>
+            </template>
+            <template #label>
+              <div class="group-info">
+                <van-tag 
+                  :type="getTypeColor(group.sampleType)" 
+                  size="medium"
+                  style="margin-right: 8px;"
+                >
+                  {{ getTypeName(group.sampleType) }}
+                </van-tag>
+                <van-tag 
+                  v-if="group.sampleClassify" 
+                  type="primary" 
+                  size="medium"
+                  style="margin-right: 8px;"
+                >
+                  {{ group.sampleClassify }}
+                </van-tag>
+                <span class="count-text">{{ group.count }} 条记录</span>
+              </div>
+            </template>
+            <template #right-icon>
+              <van-icon name="arrow" />
+            </template>
+          </van-cell>
+        </van-cell-group>
+      </van-list>
+    </div>
+
+    <!-- 批量设置对话框 -->
+    <van-dialog
+      v-model:show="showSettingDialog"
+      title="批量设置分类"
+      :show-cancel-button="true"
+      @confirm="handleConfirmUpdate"
+      @cancel="resetForm"
+    >
+      <van-form ref="formRef" class="setting-form">
+        <van-cell-group inset>
+          <!-- 显示选中的摘要 -->
+          <van-field
+            :model-value="selectedGroup?.reason"
+            label="交易摘要"
+            readonly
+            input-align="left"
+          />
+          
+          <!-- 显示记录数量 -->
+          <van-field
+            :model-value="`${selectedGroup?.count || 0} 条`"
+            label="记录数量"
+            readonly
+            input-align="left"
+          />
+
+          <!-- 交易类型选择 -->
+          <van-field
+            v-model="form.typeName"
+            is-link
+            readonly
+            name="type"
+            label="交易类型"
+            placeholder="请选择交易类型"
+            @click="showTypePicker = true"
+            :rules="[{ required: true, message: '请选择交易类型' }]"
+          />
+
+          <!-- 分类选择 -->
+          <van-field name="classify" label="分类">
+            <template #input>
+              <span v-if="!form.classify" style="opacity: 0.4;">请选择分类</span>
+              <span v-else>{{ form.classify }}</span>
+            </template>
+          </van-field>
+          
+          <!-- 分类按钮网格 -->
+          <div class="classify-buttons">
+            <van-button
+              v-for="item in classifyOptions"
+              :key="item.id"
+              :type="form.classify === item.text ? 'primary' : 'default'"
+              size="small"
+              class="classify-btn"
+              @click="selectClassify(item.text)"
+            >
+              {{ item.text }}
+            </van-button>
+            <van-button
+              type="success"
+              size="small"
+              class="classify-btn"
+              @click="showAddClassify = true"
+            >
+              + 新增
+            </van-button>
+            <van-button
+              v-if="form.classify"
+              type="warning"
+              size="small"
+              class="classify-btn"
+              @click="clearClassify"
+            >
+              清空
+            </van-button>
+          </div>
+        </van-cell-group>
+      </van-form>
+    </van-dialog>
+
+    <!-- 交易类型选择器 -->
+    <van-popup v-model:show="showTypePicker" position="bottom" round>
+      <van-picker
+        show-toolbar
+        :columns="typeOptions"
+        @confirm="handleConfirmType"
+        @cancel="showTypePicker = false"
+      />
+    </van-popup>
+
+    <!-- 新增分类对话框 -->
+    <van-dialog 
+      v-model:show="showAddClassify" 
+      title="新增交易分类" 
+      show-cancel-button
+      @confirm="addNewClassify"
+    >
+      <van-field v-model="newClassify" placeholder="请输入新的交易分类" />
+    </van-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted, watch } from 'vue'
+import { useRouter } from 'vue-router'
+import { 
+  showSuccessToast, 
+  showToast, 
+  showLoadingToast, 
+  closeToast,
+  showConfirmDialog
+} from 'vant'
+import { getReasonGroups, batchUpdateByReason, getUnclassifiedCount } from '@/api/transactionRecord'
+import { getCategoryList, createCategory } from '@/api/transactionCategory'
+
+const router = useRouter()
+
+// 交易类型选项
+const typeOptions = [
+  { text: '支出', value: 0 },
+  { text: '收入', value: 1 },
+  { text: '不计收支', value: 2 }
+]
+
+// 数据状态
+const listLoading = ref(false)
+const error = ref(false)
+const finished = ref(false)
+const reasonGroups = ref([])
+const categories = ref([])
+const pageIndex = ref(1)
+const pageSize = 20
+const unclassifiedCount = ref(0)
+const total = ref(0)
+
+// 对话框状态
+const showSettingDialog = ref(false)
+const showTypePicker = ref(false)
+const showAddClassify = ref(false)
+
+// 表单状态
+const formRef = ref(null)
+const selectedGroup = ref(null)
+const newClassify = ref('')
+const form = ref({
+  type: null,
+  typeName: '',
+  classify: ''
+})
+
+// 根据选中的类型过滤分类选项
+const classifyOptions = computed(() => {
+  if (form.value.type === null) return []
+  return categories.value
+    .filter(c => c.type === form.value.type)
+    .map(c => ({ text: c.name, value: c.name, id: c.id }))
+})
+
+// 监听交易类型变化，重新加载分类
+watch(() => form.value.type, (newVal) => {
+  // 清空已选的分类
+  form.value.classify = ''
+  // 重新加载对应类型的分类列表
+  loadCategories(newVal)
+})
+
+// 获取类型名称
+const getTypeName = (type) => {
+  const typeMap = {
+    0: '支出',
+    1: '收入',
+    2: '不计收支'
+  }
+  return typeMap[type] || '未知'
+}
+
+// 获取类型对应的标签颜色
+const getTypeColor = (type) => {
+  const colorMap = {
+    0: 'danger',    // 支出 - 红色
+    1: 'success',   // 收入 - 绿色
+    2: 'default'    // 不计收支 - 灰色
+  }
+  return colorMap[type] || 'default'
+}
+
+// 获取分组数据
+const loadReasonGroups = async () => {
+  try {
+    const res = await getReasonGroups(pageIndex.value, pageSize)
+    if (res.success) {
+      const newData = res.data || []
+      reasonGroups.value = [...reasonGroups.value, ...newData]
+      total.value = res.total || 0
+      
+      // 判断是否还有更多数据
+      if (reasonGroups.value.length >= total.value) {
+        finished.value = true
+      }
+      
+      // 加载成功后，页码+1，为下次加载做准备
+      pageIndex.value++
+      
+      error.value = false
+    } else {
+      error.value = true
+      showToast(res.message || '获取分组数据失败')
+    }
+  } catch (err) {
+    console.error('获取分组数据失败:', err)
+    error.value = true
+    showToast('获取分组数据失败')
+  }
+}
+
+// 获取未分类账单统计
+const loadUnclassifiedCount = async () => {
+  try {
+    const res = await getUnclassifiedCount()
+    if (res.success) {
+      unclassifiedCount.value = res.data || 0
+    }
+  } catch (error) {
+    console.error('获取未分类账单数量失败:', error)
+  }
+}
+
+// 加载更多
+const onLoad = async () => {
+  await loadReasonGroups()
+  
+  // 首次加载时获取统计信息
+  if (pageIndex.value === 2) {
+    await loadUnclassifiedCount()
+  }
+  
+  listLoading.value = false
+}
+
+// 获取所有分类
+const loadCategories = async (type = null) => {
+  try {
+    const res = await getCategoryList(type)
+    if (res.success) {
+      categories.value = res.data || []
+    }
+  } catch (error) {
+    console.error('获取分类列表失败:', error)
+  }
+}
+
+// 选择分组
+const handleSelectGroup = (group) => {
+  selectedGroup.value = group
+  form.value = {
+    type: group.sampleType,
+    typeName: getTypeName(group.sampleType),
+    classify: group.sampleClassify
+  }
+  // 加载对应类型的分类列表
+  loadCategories(group.sampleType)
+  showSettingDialog.value = true
+}
+
+// 选择分类
+const selectClassify = (classify) => {
+  form.value.classify = classify
+}
+
+// 确认选择交易类型
+const handleConfirmType = ({ selectedOptions }) => {
+  form.value.type = selectedOptions[0].value
+  form.value.typeName = selectedOptions[0].text
+  showTypePicker.value = false
+}
+
+// 新增分类
+const addNewClassify = async () => {
+  if (!newClassify.value.trim()) {
+    showToast('请输入分类名称')
+    return
+  }
+  
+  if (form.value.type === null) {
+    showToast('请先选择交易类型')
+    return
+  }
+  
+  try {
+    const categoryName = newClassify.value.trim()
+    
+    // 调用API创建分类
+    const response = await createCategory({
+      name: categoryName,
+      type: form.value.type
+    })
+    
+    if (response.success) {
+      showToast('分类创建成功')
+      // 重新加载分类列表
+      await loadCategories(form.value.type)
+      form.value.classify = categoryName
+    } else {
+      showToast(response.message || '创建分类失败')
+    }
+  } catch (error) {
+    console.error('创建分类出错:', error)
+    showToast('创建分类失败')
+  } finally {
+    newClassify.value = ''
+    showAddClassify.value = false
+  }
+}
+
+// 清空分类
+const clearClassify = () => {
+  form.value.classify = ''
+  showToast('已清空分类')
+}
+
+// 确认批量更新
+const handleConfirmUpdate = async () => {
+  try {
+    // 表单验证
+    await formRef.value?.validate()
+    
+    // 二次确认
+    await showConfirmDialog({
+      title: '确认批量设置',
+      message: `确定要将「${selectedGroup.value.reason}」的 ${selectedGroup.value.count} 条记录设置为「${form.value.typeName} - ${form.value.classify}」吗？`
+    })
+
+    showLoadingToast({
+      message: '更新中...',
+      forbidClick: true,
+      duration: 0
+    })
+
+    const res = await batchUpdateByReason({
+      reason: selectedGroup.value.reason,
+      type: form.value.type,
+      classify: form.value.classify
+    })
+
+    closeToast()
+
+    if (res.success) {
+      showSuccessToast(res.message || `成功更新 ${res.data} 条记录`)
+      showSettingDialog.value = false
+      resetForm()
+      // 重新加载数据
+      reasonGroups.value = []
+      pageIndex.value = 1
+      finished.value = false
+      listLoading.value = true
+      await loadReasonGroups()
+      await loadUnclassifiedCount()
+      listLoading.value = false
+    } else {
+      showToast(res.message || '批量更新失败')
+    }
+  } catch (error) {
+    closeToast()
+    if (error !== 'cancel') {
+      console.error('批量更新失败:', error)
+      showToast(error.message || '批量更新失败')
+    }
+  }
+}
+
+// 重置表单
+const resetForm = () => {
+  selectedGroup.value = null
+  form.value = {
+    type: null,
+    typeName: '',
+    classify: ''
+  }
+  formRef.value?.resetValidation()
+}
+
+// 返回上一页
+const handleBack = () => {
+  router.back()
+}
+
+// 页面加载
+onMounted(() => {
+  // onLoad 会自动触发首次加载
+})
+</script>
+
+<style scoped>
+.loading-container {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 200px;
+}
+
+.group-title {
+  font-size: 15px;
+  font-weight: 500;
+  margin-bottom: 4px;
+}
+
+.group-info {
+  align-items: center;
+  margin-top: 4px;
+}
+
+.count-text {
+  font-size: 13px;
+  opacity: 0.6;
+}
+
+.unclassified-stat {
+  padding-left: 16px;
+  padding-top: 12px;
+  font-size: 14px;
+  font-weight: 500;
+  opacity: 0.83px;
+  opacity: 0.6;
+}
+
+.setting-form {
+  padding: 16px 0;
+}
+
+.classify-buttons {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  padding: 12px 16px;
+  max-height: 300px;
+  overflow-y: auto;
+}
+
+.classify-btn {
+  flex: 0 0 auto;
+  min-width: 70px;
+  border-radius: 16px;
+}
+
+:deep(.van-cell-group--inset) {
+  margin: 16px;
+}
+</style>
diff --git a/Web/src/views/ClassificationEdit.vue b/Web/src/views/ClassificationEdit.vue
new file mode 100644
index 0000000..acced73
--- /dev/null
+++ b/Web/src/views/ClassificationEdit.vue
@@ -0,0 +1,338 @@
+<template>
+  <div 
+  style="padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));"
+  >
+    <van-nav-bar 
+      :title="navTitle" 
+      left-text="返回"
+      left-arrow
+      @click-left="handleBack" 
+      placeholder
+    />
+
+    <!-- 第一层：选择交易类型 -->
+    <div v-if="currentLevel === 0" class="level-container">
+      <van-cell-group inset>
+        <van-cell
+          v-for="type in typeOptions"
+          :key="type.value"
+          :title="type.label"
+          is-link
+          @click="handleSelectType(type.value)"
+        />
+      </van-cell-group>
+    </div>
+
+    <!-- 第二层：分类列表 -->
+    <div v-else class="level-container">
+      <!-- 面包屑导航 -->
+      <div class="breadcrumb">
+        <van-tag 
+          type="primary" 
+          closeable 
+          @close="handleBackToRoot"
+          style="margin-left: 16px;"
+        >
+          {{ currentTypeName }}
+        </van-tag>
+      </div>
+
+      <!-- 分类列表 -->
+      <van-empty v-if="categories.length === 0" description="暂无分类" />
+      
+      <van-cell-group v-else inset>
+        <van-swipe-cell v-for="category in categories" :key="category.id">
+          <van-cell :title="category.name" />
+          <template #right>
+            <van-button 
+              square 
+              type="danger" 
+              text="删除"
+              @click="handleDelete(category)"
+            />
+          </template>
+        </van-swipe-cell>
+      </van-cell-group>
+
+      <!-- 新增分类按钮 -->
+      <div class="add-button-container">
+        <van-button 
+          type="primary" 
+          size="large" 
+          block 
+          @click="handleAddCategory"
+        >
+          新增分类
+        </van-button>
+      </div>
+    </div>
+
+    <!-- 新增分类对话框 -->
+    <van-dialog
+      v-model:show="showAddDialog"
+      title="新增分类"
+      @confirm="handleConfirmAdd"
+      @cancel="resetAddForm"
+    >
+      <van-form ref="addFormRef">
+        <van-field
+          v-model="addForm.name"
+          name="name"
+          label="分类名称"
+          placeholder="请输入分类名称"
+          :rules="[{ required: true, message: '请输入分类名称' }]"
+        />
+      </van-form>
+    </van-dialog>
+
+    <!-- 删除确认对话框 -->
+    <van-dialog
+      v-model:show="showDeleteConfirm"
+      title="删除分类"
+      message="删除后无法恢复，确定要删除吗？"
+      @confirm="handleConfirmDelete"
+    />
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
+import { 
+  showSuccessToast, 
+  showToast, 
+  showLoadingToast, 
+  closeToast 
+} from 'vant'
+import {
+  getCategoryList,
+  createCategory,
+  deleteCategory
+} from '@/api/transactionCategory'
+
+const router = useRouter()
+
+// 交易类型选项
+const typeOptions = [
+  { value: 0, label: '支出' },
+  { value: 1, label: '收入' },
+  { value: 2, label: '不计收支' }
+]
+
+// 层级状态
+const currentLevel = ref(0) // 0=类型选择, 1=分类管理
+const currentType = ref(null) // 当前选中的交易类型
+const currentTypeName = computed(() => {
+  const type = typeOptions.find(t => t.value === currentType.value)
+  return type ? type.label : ''
+})
+
+// 分类数据
+const categories = ref([])
+
+// 编辑对话框
+const showAddDialog = ref(false)
+const addFormRef = ref(null)
+const addForm = ref({
+  name: ''
+})
+
+// 删除确认
+const showDeleteConfirm = ref(false)
+const deleteTarget = ref(null)
+
+// 计算导航栏标题
+const navTitle = computed(() => {
+  if (currentLevel.value === 0) {
+    return '编辑分类'
+  }
+  return currentTypeName.value
+})
+
+/**
+ * 选择交易类型，进入分类管理
+ */
+const handleSelectType = async (type) => {
+  currentType.value = type
+  currentLevel.value = 1
+  await loadCategories()
+}
+
+/**
+ * 加载分类列表
+ */
+const loadCategories = async () => {
+  try {
+    showLoadingToast({
+      message: '加载中...',
+      forbidClick: true,
+      duration: 0
+    })
+
+    const { success, data } = await getCategoryList(currentType.value)
+    if (success) {
+      categories.value = data || []
+    } else {
+      showToast('加载分类失败')
+    }
+  } catch (error) {
+    console.error('加载分类错误:', error)
+    showToast('加载分类失败: ' + (error.message || '未知错误'))
+  } finally {
+    closeToast()
+  }
+}
+
+/**
+ * 返回上一级
+ */
+const handleBack = () => {
+  if (currentLevel.value === 1) {
+    currentLevel.value = 0
+    currentType.value = null
+    categories.value = []
+  } else {
+    router.back()
+  }
+}
+
+/**
+ * 返回到根目录（类型选择）
+ */
+const handleBackToRoot = () => {
+  currentLevel.value = 0
+  currentType.value = null
+  categories.value = []
+}
+
+/**
+ * 新增分类
+ */
+const handleAddCategory = () => {
+  addForm.value = {
+    name: ''
+  }
+  showAddDialog.value = true
+}
+
+/**
+ * 确认新增
+ */
+const handleConfirmAdd = async () => {
+  try {
+    // 表单验证
+    await addFormRef.value?.validate()
+
+    showLoadingToast({
+      message: '创建中...',
+      forbidClick: true,
+      duration: 0
+    })
+
+    const { success, message } = await createCategory({
+      name: addForm.value.name,
+      type: currentType.value
+    })
+
+    if (success) {
+      showSuccessToast('创建成功')
+      showAddDialog.value = false
+      resetAddForm()
+      await loadCategories()
+    } else {
+      showToast(message || '创建失败')
+    }
+  } catch (error) {
+    console.error('创建失败:', error)
+    showToast('创建失败: ' + (error.message || '未知错误'))
+  } finally {
+    closeToast()
+  }
+}
+
+/**
+ * 删除分类
+ */
+const handleDelete = async (category) => {
+  deleteTarget.value = category
+  showDeleteConfirm.value = true
+}
+
+/**
+ * 确认删除
+ */
+const handleConfirmDelete = async () => {
+  if (!deleteTarget.value) return
+
+  try {
+    showLoadingToast({
+      message: '删除中...',
+      forbidClick: true,
+      duration: 0
+    })
+
+    const { success, message } = await deleteCategory(deleteTarget.value.id)
+
+    if (success) {
+      showSuccessToast('删除成功')
+      showDeleteConfirm.value = false
+      deleteTarget.value = null
+      await loadCategories()
+    } else {
+      showToast(message || '删除失败')
+    }
+  } catch (error) {
+    console.error('删除失败:', error)
+    showToast('删除失败: ' + (error.message || '未知错误'))
+  } finally {
+    closeToast()
+  }
+}
+
+/**
+ * 重置新增表单
+ */
+const resetAddForm = () => {
+  addForm.value = {
+    name: ''
+  }
+}
+
+onMounted(() => {
+  // 初始化时显示类型选择
+  currentLevel.value = 0
+})
+</script>
+
+
+<style scoped>
+.level-container {
+  padding-top: 16px;
+  min-height: calc(100vh - 50px);
+}
+
+.breadcrumb {
+  margin-bottom: 16px;
+  padding: 8px 0;
+}
+
+.breadcrumb .van-tag {
+  cursor: pointer;
+}
+
+/* 新增按钮 */
+.add-button-container {
+  position: fixed;
+  bottom: calc(60px + env(safe-area-inset-bottom, 0px));
+  left: 16px;
+  right: 16px;
+  z-index: 10;
+}
+
+/* 深色模式 */
+@media (prefers-color-scheme: dark) {
+  .level-container {
+    background: #1a1a1a;
+  }
+}
+</style>
diff --git a/Web/src/views/ClassificationNLP.vue b/Web/src/views/ClassificationNLP.vue
new file mode 100644
index 0000000..eee3ef3
--- /dev/null
+++ b/Web/src/views/ClassificationNLP.vue
@@ -0,0 +1,371 @@
+<template>
+  <div class="classification-nlp">
+    <van-nav-bar
+      title="智能分类助手"
+      left-text="返回"
+      left-arrow
+      @click-left="onClickLeft"
+    />
+
+    <div class="container">
+      <!-- 输入区域 -->
+      <div class="input-section">
+        <van-cell-group inset>
+          <van-field
+            v-model="userInput"
+            rows="3"
+            autosize
+            type="textarea"
+            maxlength="200"
+            placeholder="用自然语言描述您的需求，AI将帮您找到相关交易并自动设置分类。例如：我想要将苏州城慧的支出都改为地铁通勤消费"
+            show-word-limit
+          />
+        </van-cell-group>
+        
+        <div class="action-buttons">
+          <van-button 
+            type="primary" 
+            block 
+            round 
+            :loading="analyzing"
+            @click="handleAnalyze"
+          >
+            分析查询
+          </van-button>
+        </div>
+      </div>
+
+      <!-- 分析结果展示 -->
+      <div v-if="analysisResult" class="result-section">
+        <van-cell-group inset>
+          <van-cell title="查询关键词" :value="analysisResult.searchKeyword" />
+          <van-cell title="AI建议类型" :value="getTypeName(analysisResult.targetType)" />
+          <van-cell title="AI建议分类" :value="analysisResult.targetClassify" />
+          <van-cell 
+            title="找到记录" 
+            :value="`${analysisResult.records.length} 条`" 
+            is-link
+            @click="showRecordsList = true"
+          />
+        </van-cell-group>
+      </div>
+    </div>
+
+    <!-- 交易详情弹窗 -->
+    <TransactionDetail
+      v-model:show="showDetail"
+      :transaction="currentTransaction"
+      @save="handleDetailSave"
+    />
+
+    <!-- 记录列表弹窗 -->
+    <van-popup 
+      v-model:show="showRecordsList" 
+      position="bottom" 
+      :style="{ height: '80%' }"
+      round
+    >
+      <div class="records-popup">
+        <div class="popup-header">
+          <h3>交易记录列表</h3>
+          <van-icon name="cross" @click="showRecordsList = false" />
+        </div>
+        
+        <!-- 批量操作按钮 -->
+        <div class="batch-actions">
+          <van-button 
+            plain 
+            type="primary" 
+            size="small"
+            @click="selectAll"
+          >
+            全选
+          </van-button>
+          <van-button 
+            plain 
+            type="default" 
+            size="small"
+            @click="selectNone"
+          >
+            全不选
+          </van-button>
+          <van-button 
+            type="success" 
+            size="small"
+            :loading="submitting"
+            :disabled="selectedIds.size === 0"
+            @click="handleSubmit"
+          >
+            提交分类 ({{ selectedIds.size }})
+          </van-button>
+        </div>
+
+        <!-- 交易记录列表 -->
+        <div class="records-list">
+          <TransactionList
+            :transactions="displayRecords"
+            :loading="false"
+            :finished="true"
+            :show-checkbox="true"
+            :selected-ids="selectedIds"
+            @update:selected-ids="updateSelectedIds"
+            @click="handleRecordClick"
+            :show-delete="false"
+          />
+        </div>
+      </div>
+    </van-popup>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import { useRouter } from 'vue-router'
+import { showToast, showConfirmDialog } from 'vant'
+import { nlpAnalysis, batchUpdateClassify } from '@/api/transactionRecord'
+import TransactionList from '@/components/TransactionList.vue'
+import TransactionDetail from '@/components/TransactionDetail.vue'
+
+const router = useRouter()
+const userInput = ref('')
+const analyzing = ref(false)
+const submitting = ref(false)
+const analysisResult = ref(null)
+const selectedIds = ref(new Set())
+const showDetail = ref(false)
+const currentTransaction = ref(null)
+const showRecordsList = ref(false) // 控制记录列表弹窗
+
+// 返回按钮
+const onClickLeft = () => {
+  router.back()
+}
+
+// 将带目标分类的记录转换为普通交易记录格式供列表显示
+const displayRecords = computed(() => {
+  if (!analysisResult.value) return []
+  
+  return analysisResult.value.records.map(r => ({
+    id: r.id,
+    reason: r.reason,
+    amount: r.amount,
+    balance: r.balance,
+    card: r.card,
+    occurredAt: r.occurredAt,
+    createTime: r.createTime,
+    importFrom: r.importFrom,
+    refundAmount: r.refundAmount,
+    // 显示目标类型和分类
+    type: r.targetType,
+    classify: r.targetClassify,
+    upsetedClassify: r.upsetedClassify,
+    upsetedType: r.upsetedType
+  }))
+})
+
+// 获取交易类型名称
+const getTypeName = (type) => {
+  const typeMap = {
+    0: '支出',
+    1: '收入',
+    2: '不计入收支'
+  }
+  return typeMap[type] || '未知'
+}
+
+// 分析用户输入
+const handleAnalyze = async () => {
+  if (!userInput.value.trim()) {
+    showToast('请输入查询条件')
+    return
+  }
+
+  try {
+    analyzing.value = true
+    const response = await nlpAnalysis(userInput.value)
+    
+    if (response.success) {
+      analysisResult.value = response.data
+      
+      // 默认全选
+      const allIds = new Set(response.data.records.map(r => r.id))
+      selectedIds.value = allIds
+      
+      showToast(`找到 ${response.data.records.length} 条记录`)
+    } else {
+      showToast(response.message || '分析失败')
+    }
+  } catch (error) {
+    console.error('分析失败:', error)
+    showToast('分析失败，请重试')
+  } finally {
+    analyzing.value = false
+  }
+}
+
+// 全选
+const selectAll = () => {
+  if (!analysisResult.value) return
+  const allIds = new Set(analysisResult.value.records.map(r => r.id))
+  selectedIds.value = allIds
+}
+
+// 全不选
+const selectNone = () => {
+  selectedIds.value = new Set()
+}
+
+// 更新选中状态
+const updateSelectedIds = (newSelectedIds) => {
+  selectedIds.value = newSelectedIds
+}
+
+// 点击记录查看详情
+const handleRecordClick = (transaction) => {
+  // 从原始记录中获取完整信息
+  const record = analysisResult.value?.records.find(r => r.id === transaction.id)
+  if (record) {
+    currentTransaction.value = {
+      id: record.id,
+      reason: record.reason,
+      amount: record.amount,
+      balance: record.balance,
+      card: record.card,
+      occurredAt: record.occurredAt,
+      createTime: record.createTime,
+      importFrom: record.importFrom,
+      refundAmount: record.refundAmount,
+      // 用户可以在详情中修改类型和分类
+      type: record.targetType,
+      classify: record.targetClassify
+    }
+    showDetail.value = true
+  }
+}
+
+// 详情保存后
+const handleDetailSave = () => {
+  // 详情中的修改已经保存到服务器
+  // 这里可以选择重新分析或者只更新本地显示
+  showToast('修改已保存')
+}
+
+// 提交分类
+const handleSubmit = async () => {
+  if (selectedIds.value.size === 0) {
+    showToast('请至少选择一条记录')
+    return
+  }
+
+  try {
+    await showConfirmDialog({
+      title: '确认提交',
+      message: `确定要为选中的 ${selectedIds.value.size} 条记录设置分类吗？`
+    })
+  } catch {
+    return
+  }
+
+  try {
+    submitting.value = true
+    
+    // 构建批量更新数据（使用AI修改后的结果）
+    const items = analysisResult.value.records
+      .filter(r => selectedIds.value.has(r.id))
+      .map(r => ({
+        id: r.id,
+        classify: r.upsetedClassify,
+        type: r.upsetedType
+      }))
+    
+    const response = await batchUpdateClassify(items)
+    
+    if (response.success) {
+      showToast('分类设置成功')
+      // 清空结果，让用户进行新的查询
+      analysisResult.value = null
+      selectedIds.value = new Set()
+      userInput.value = ''
+    } else {
+      showToast(response.message || '设置失败')
+    }
+  } catch (error) {
+    console.error('提交失败:', error)
+    showToast('提交失败，请重试')
+  } finally {
+    submitting.value = false
+  }
+}
+</script>
+
+<style scoped>
+.classification-nlp {
+  min-height: 100vh;
+  background-color: var(--van-background, #f7f8fa);
+  padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
+}
+
+.container {
+  padding: 0;
+}
+
+.input-section {
+  padding: 12px 0;
+}
+
+.action-buttons {
+  padding: 12px 16px;
+}
+
+.result-section {
+  padding-top: 8px;
+}
+
+.van-notice-bar {
+  margin: 12px 16px;
+}
+
+.batch-actions {
+  display: flex;
+  gap: 8px;
+  padding: 12px 16px;
+  background-color: var(--van-background-2, #fff);
+  margin-bottom: 8px;
+}
+
+.batch-actions > button:last-child {
+  margin-left: auto;
+}
+
+.records-list {
+  padding-bottom: 20px;
+  overflow-y: auto;
+  flex: 1;
+}
+
+.records-popup {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  background-color: var(--van-background, #f7f8fa);
+}
+
+.popup-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16px;
+  background-color: var(--van-background-2, #fff);
+}
+
+.popup-header h3 {
+  margin: 0;
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.popup-header .van-icon {
+  font-size: 20px;
+  cursor: pointer;
+}
+</style>
diff --git a/Web/src/views/SmartClassification.vue b/Web/src/views/ClassificationSmart.vue
similarity index 71%
rename from Web/src/views/SmartClassification.vue
rename to Web/src/views/ClassificationSmart.vue
index ba01000..687f849 100644
--- a/Web/src/views/SmartClassification.vue
+++ b/Web/src/views/ClassificationSmart.vue
@@ -7,7 +7,7 @@
       @click-left="onClickLeft"
     />
     
-    <div class="container" style="padding-top: 46px;">
+    <div class="container" style="padding-top: 5px;">
       <!-- 统计信息 -->
       <div class="stats-info">
         <span class="stats-label">未分类账单：</span>
@@ -18,9 +18,11 @@
       <TransactionList
         :transactions="records"
         :loading="false"
-        :finished="true"
         :show-delete="false"
+        :show-checkbox="true"
+        :selected-ids="selectedIds"
         @click="viewDetail"
+        @update:selected-ids="selectedIds = $event"
       />
     </div>
 
@@ -36,11 +38,11 @@
       <van-button 
         type="primary" 
         :loading="classifying"
-        :disabled="records.length === 0"
+        :disabled="selectedIds.size === 0"
         @click="startClassify"
         class="action-btn"
       >
-        {{ classifying ? '分类中...' : '开始智能分类' }}
+        {{ classifying ? '分类中...' : `开始分类 (${selectedIds.size}/${records.length})` }}
       </van-button>
       
       <van-button 
@@ -72,10 +74,12 @@ import TransactionDetail from '@/components/TransactionDetail.vue'
 const router = useRouter()
 const unclassifiedCount = ref(0)
 const records = ref([])
+const selectedIds = ref(new Set()) // 选中的账单ID集合
 const classifying = ref(false)
 const hasChanges = ref(false)
 const detailVisible = ref(false)
 const currentTransaction = ref(null)
+const classifyBuffer = ref('') // SSE数据缓冲区
 
 const onClickLeft = () => {
   if (hasChanges.value) {
@@ -104,7 +108,7 @@ const loadUnclassifiedCount = async () => {
 
 // 加载未分类账单列表
 const loadUnclassified = async () => {
-  const toast = showLoadingToast({
+  showLoadingToast({
     message: '加载中...',
     forbidClick: true,
     duration: 0
@@ -114,6 +118,8 @@ const loadUnclassified = async () => {
     const res = await getUnclassified(10)
     if (res.success) {
       records.value = res.data
+      // 默认全选所有账单
+      selectedIds.value = new Set(res.data.map(r => r.id))
     } else {
       showToast(res.message || '加载失败')
     }
@@ -127,15 +133,24 @@ const loadUnclassified = async () => {
 
 // 开始智能分类
 const startClassify = async () => {
-  if (records.value.length === 0) {
-    showToast('没有需要分类的账单')
+  const idsToClassify = Array.from(selectedIds.value)
+  
+  if (idsToClassify.length === 0) {
+    showToast('请先选择要分类的账单')
     return
   }
 
+  const toast = showLoadingToast({
+    message: '智能分类中...',
+    forbidClick: true,
+    duration: 0
+  })
+
   classifying.value = true
+  classifyBuffer.value = '' // 重置缓冲区
   
   try {
-    const response = await smartClassify(10)
+    const response = await smartClassify(idsToClassify)
     
     if (!response.ok) {
       throw new Error(`HTTP error! status: ${response.status}`)
@@ -173,49 +188,83 @@ const startClassify = async () => {
     showToast(`分类失败: ${error.message}`)
   } finally {
     classifying.value = false
+    classifyBuffer.value = ''
+    closeToast()
   }
 }
 
 // 处理SSE事件
 const handleSSEEvent = (eventType, data) => {
   if (eventType === 'data') {
-    // 尝试解析JSON数据并更新对应账单的分类
     try {
-      // 累积JSON片段
-      if (!window.classifyBuffer) {
-        window.classifyBuffer = ''
-      }
-      window.classifyBuffer += data
+      // 累积AI输出的JSON片段
+      classifyBuffer.value += data
 
-      // 尝试提取完整的JSON对象
-      const jsonMatches = window.classifyBuffer.match(/\{[^}]+\}/g)
-      if (jsonMatches) {
-        for (const jsonStr of jsonMatches) {
+      // 尝试查找并提取完整的JSON对象
+      // 使用更精确的方式：查找 { 和匹配的 }
+      let startIndex = 0
+      while (startIndex < classifyBuffer.value.length) {
+        const openBrace = classifyBuffer.value.indexOf('{', startIndex)
+        if (openBrace === -1) {
+          // 没有找到开始的 {，清理前面的无用字符
+          classifyBuffer.value = ''
+          break
+        }
+
+        // 尝试找到匹配的闭合括号
+        let braceCount = 0
+        let closeBrace = -1
+        for (let i = openBrace; i < classifyBuffer.value.length; i++) {
+          if (classifyBuffer.value[i] === '{') braceCount++
+          else if (classifyBuffer.value[i] === '}') {
+            braceCount--
+            if (braceCount === 0) {
+              closeBrace = i
+              break
+            }
+          }
+        }
+
+        if (closeBrace !== -1) {
+          // 找到了完整的JSON
+          const jsonStr = classifyBuffer.value.substring(openBrace, closeBrace + 1)
+          
           try {
             const result = JSON.parse(jsonStr)
+            
             if (result.id) {
               const record = records.value.find(r => r.id === result.id)
               if (record) {
                 record.classify = result.classify || ''
-                record.subClassify = result.subClassify || ''
+                // 如果AI返回了type字段，也更新type
+                if (result.type !== undefined && result.type !== null) {
+                  record.type = result.type
+                }
                 hasChanges.value = true
               }
-              // 移除已处理的JSON
-              window.classifyBuffer = window.classifyBuffer.replace(jsonStr, '')
             }
           } catch (e) {
-            // 不是完整的JSON，继续累积
+            console.error('JSON解析失败:', e)
           }
+          
+          // 移除已处理的部分
+          classifyBuffer.value = classifyBuffer.value.substring(closeBrace + 1)
+          startIndex = 0 // 从头开始查找下一个JSON
+        } else {
+          // 没有找到闭合括号，说明JSON还不完整，等待更多数据
+          break
         }
       }
     } catch (error) {
       console.error('解析分类结果失败', error)
     }
+  } else if (eventType === 'start') {
+    showToast(data)
   } else if (eventType === 'end') {
-    window.classifyBuffer = ''
+    classifyBuffer.value = ''
     showToast('分类完成')
   } else if (eventType === 'error') {
-    window.classifyBuffer = ''
+    classifyBuffer.value = ''
     showToast(data)
   }
 }
@@ -227,7 +276,7 @@ const saveClassifications = async () => {
     .map(r => ({
       id: r.id,
       classify: r.classify,
-      subClassify: r.subClassify
+      type: r.type
     }))
 
   if (itemsToUpdate.length === 0) {
diff --git a/Web/src/views/EmailRecord.vue b/Web/src/views/EmailRecord.vue
index 2fa270b..36a6b53 100644
--- a/Web/src/views/EmailRecord.vue
+++ b/Web/src/views/EmailRecord.vue
@@ -415,8 +415,6 @@ onMounted(() => {
 </script>
 
 <style scoped>
-@import '@/styles/common.css';
-
 .email-info {
   display: flex;
   flex-direction: column;
diff --git a/Web/src/views/SettingView.vue b/Web/src/views/SettingView.vue
index 78aae5a..d057e84 100644
--- a/Web/src/views/SettingView.vue
+++ b/Web/src/views/SettingView.vue
@@ -16,15 +16,11 @@
       <p>分类处理</p>
     </div>
     <van-cell-group inset>
-      <van-cell title="编辑分类" is-link @click="handleEditClassification" />
-    </van-cell-group>
-    <van-cell-group inset>
+      <van-cell title="分类管理" is-link @click="handleEditClassification" />
       <van-cell title="批量分类" is-link @click="handleBatchClassification" />
-    </van-cell-group>
-    <van-cell-group inset>
       <van-cell title="智能分类" is-link @click="handleSmartClassification" />
+      <van-cell title="自然语言分类" is-link @click="handleNaturalLanguageClassification" />
     </van-cell-group>
-
     <div class="detail-header">
       <p>账户</p>
     </div>
@@ -107,10 +103,22 @@ const handleFileChange = async (event) => {
   }
 }
 
+const handleEditClassification = () => {
+  router.push({ name: 'classification-edit' })
+}
+
+const handleBatchClassification = () => {
+  router.push({ name: 'classification-batch' })
+}
+
 const handleSmartClassification = () => {
   router.push({ name: 'smart-classification' })
 }
 
+const handleNaturalLanguageClassification = () => {
+  router.push({ name: 'classification-nlp' })
+}
+
 /**
  * 处理退出登录
  */
diff --git a/Web/src/views/TransactionsRecord.vue b/Web/src/views/TransactionsRecord.vue
index b18618a..7fa9130 100644
--- a/Web/src/views/TransactionsRecord.vue
+++ b/Web/src/views/TransactionsRecord.vue
@@ -100,15 +100,6 @@
               placeholder="请选择或输入交易分类"
               @click="showAddClassifyPicker = true"
             />
-            <van-field
-              v-model="addForm.subClassify"
-              is-link
-              readonly
-              name="subClassify"
-              label="交易子分类"
-              placeholder="请选择或输入交易子分类"
-              @click="showAddSubClassifyPicker = true"
-            />
           </van-cell-group>
 
           <div style="margin: 16px;">
@@ -160,29 +151,21 @@
       </van-picker>
     </van-popup>
 
-    <!-- 新增交易 - 交易子分类选择器 -->
-    <van-popup v-model:show="showAddSubClassifyPicker" position="bottom" round>
-      <van-picker
-        ref="addSubClassifyPickerRef"
-        :columns="subClassifyColumns"
-        @confirm="onAddSubClassifyConfirm"
-        @cancel="showAddSubClassifyPicker = false"
-      >
-        <template #toolbar>
-          <div class="picker-toolbar">
-            <van-button class="toolbar-cancel" size="small" @click="clearAddSubClassify">清空</van-button>
-            <van-button class="toolbar-add" size="small" type="primary" @click="showAddSubClassify = true">新增</van-button>
-            <van-button class="toolbar-confirm" size="small" type="primary" @click="confirmAddSubClassify">确认</van-button>
-          </div>
-        </template>
-      </van-picker>
-    </van-popup>
+    <!-- 新增分类对话框 -->
+    <van-dialog 
+      v-model:show="showAddClassify" 
+      title="新增交易分类" 
+      show-cancel-button
+      @confirm="addNewClassify"
+    >
+      <van-field v-model="newClassify" placeholder="请输入新的交易分类" />
+    </van-dialog>
 
     <!-- 底部浮动搜索框 -->
     <div class="floating-search">
       <van-search
         v-model="searchKeyword"
-        placeholder="搜索交易摘要、来源、卡号、分类或子分类"
+        placeholder="搜索交易摘要、来源、卡号、分类"
         @update:model-value="onSearchChange"
         @clear="onSearchClear"
         shape="round"
@@ -200,7 +183,7 @@ import {
   createTransaction,
   deleteTransaction
 } from '@/api/transactionRecord'
-import { getCategoryTree } from '@/api/transactionCategory'
+import { getCategoryList, createCategory } from '@/api/transactionCategory'
 import TransactionList from '@/components/TransactionList.vue'
 import TransactionDetail from '@/components/TransactionDetail.vue'
 
@@ -225,9 +208,9 @@ const showDateTimePicker = ref(false)
 const dateTimeValue = ref([new Date().getFullYear(), new Date().getMonth() + 1, new Date().getDate()])
 const showAddTypePicker = ref(false)
 const showAddClassifyPicker = ref(false)
-const showAddSubClassifyPicker = ref(false)
 const addClassifyPickerRef = ref(null)
-const addSubClassifyPickerRef = ref(null)
+const showAddClassify = ref(false)
+const newClassify = ref('')
 
 // 交易类型
 const typeColumns = [
@@ -238,7 +221,6 @@ const typeColumns = [
 
 // 分类相关
 const classifyColumns = ref([])
-const subClassifyColumns = ref([])
 
 // 新增表单
 const addForm = reactive({
@@ -247,21 +229,18 @@ const addForm = reactive({
   amount: '',
   type: 0,
   typeText: '',
-  classify: '',
-  subClassify: ''
+  classify: ''
 })
 
-// 加载分类列表（从分类树中提取）
+// 加载分类列表
 const loadClassifyList = async (type = null) => {
   try {
-    const response = await getCategoryTree(type)
+    const response = await getCategoryList(type)
     if (response.success) {
-      // 从树形结构中提取分类名称（Level 2）
       classifyColumns.value = (response.data || []).map(item => ({
         text: item.name,
         value: item.name,
-        id: item.id,
-        children: item.children || []
+        id: item.id
       }))
     }
   } catch (error) {
@@ -269,25 +248,6 @@ const loadClassifyList = async (type = null) => {
   }
 }
 
-// 加载子分类列表（根据选中的分类）
-const loadSubClassifyList = async (classifyName) => {
-  try {
-    // 从已加载的分类树中查找对应的子分类
-    const classifyItem = classifyColumns.value.find(item => item.value === classifyName)
-    if (classifyItem && classifyItem.children) {
-      subClassifyColumns.value = classifyItem.children.map(child => ({
-        text: child.name,
-        value: child.name,
-        id: child.id
-      }))
-    } else {
-      subClassifyColumns.value = []
-    }
-  } catch (error) {
-    console.error('加载子分类列表出错:', error)
-  }
-}
-
 // 加载数据
 const loadData = async (isRefresh = false) => {
   if (isRefresh) {
@@ -441,7 +401,6 @@ const openAddDialog = () => {
   addForm.type = 0
   addForm.typeText = ''
   addForm.classify = ''
-  addForm.subClassify = ''
   
   // 设置默认日期时间为当前时间
   const now = new Date()
@@ -477,23 +436,13 @@ const onAddTypeConfirm = ({ selectedValues, selectedOptions }) => {
 }
 
 // 新增交易 - 交易分类选择确认
-const onAddClassifyConfirm = async ({ selectedOptions }) => {
+const onAddClassifyConfirm = ({ selectedOptions }) => {
   if (selectedOptions && selectedOptions[0]) {
     addForm.classify = selectedOptions[0].text
-    // 加载对应的子分类
-    await loadSubClassifyList(selectedOptions[0].value)
   }
   showAddClassifyPicker.value = false
 }
 
-// 新增交易 - 交易子分类选择确认
-const onAddSubClassifyConfirm = ({ selectedOptions }) => {
-  if (selectedOptions && selectedOptions[0]) {
-    addForm.subClassify = selectedOptions[0].text
-  }
-  showAddSubClassifyPicker.value = false
-}
-
 // 新增交易 - 清空分类
 const clearAddClassify = () => {
   addForm.classify = ''
@@ -501,13 +450,6 @@ const clearAddClassify = () => {
   showToast('已清空分类')
 }
 
-// 新增交易 - 清空子分类
-const clearAddSubClassify = () => {
-  addForm.subClassify = ''
-  showAddSubClassifyPicker.value = false
-  showToast('已清空子分类')
-}
-
 // 新增交易 - 确认分类（从 picker 中获取选中值）
 const confirmAddClassify = () => {
   if (addClassifyPickerRef.value) {
@@ -519,15 +461,33 @@ const confirmAddClassify = () => {
   showAddClassifyPicker.value = false
 }
 
-// 新增交易 - 确认子分类（从 picker 中获取选中值）
-const confirmAddSubClassify = () => {
-  if (addSubClassifyPickerRef.value) {
-    const selectedValues = addSubClassifyPickerRef.value.getSelectedOptions()
-    if (selectedValues && selectedValues[0]) {
-      addForm.subClassify = selectedValues[0].text
-    }
+// 新增分类
+const addNewClassify = async () => {
+  if (!newClassify.value.trim()) {
+    showToast('请输入分类名称')
+    return
+  }
+  
+  try {
+    const response = await createCategory({
+      name: newClassify.value.trim(),
+      type: addForm.type
+    })
+    
+    if (response.success) {
+      showToast('新增分类成功')
+      newClassify.value = ''
+      // 重新加载分类列表
+      await loadClassifyList(addForm.type)
+      // 设置为新增的分类
+      addForm.classify = response.data.name
+    } else {
+      showToast(response.message || '新增分类失败')
+    }
+  } catch (error) {
+    console.error('新增分类失败:', error)
+    showToast('新增分类失败')
   }
-  showAddSubClassifyPicker.value = false
 }
 
 // 提交新增交易
@@ -540,8 +500,7 @@ const onAddSubmit = async () => {
       reason: addForm.reason,
       amount: parseFloat(addForm.amount),
       type: addForm.type,
-      classify: addForm.classify || null,
-      subClassify: addForm.subClassify || null
+      classify: addForm.classify || null
     }
     
     const response = await createTransaction(data)
diff --git a/WebApi/Controllers/TransactionCategoryController.cs b/WebApi/Controllers/TransactionCategoryController.cs
index 03a5db9..865b6b6 100644
--- a/WebApi/Controllers/TransactionCategoryController.cs
+++ b/WebApi/Controllers/TransactionCategoryController.cs
@@ -8,36 +8,23 @@ public class TransactionCategoryController(
 ) : ControllerBase
 {
     /// <summary>
-    /// 获取分类树（支持按类型筛选）
+    /// 获取分类列表（支持按类型筛选）
     /// </summary>
     [HttpGet]
-    public async Task<BaseResponse<List<TransactionCategoryTreeDto>>> GetTreeAsync([FromQuery] TransactionType? type = null)
+    public async Task<BaseResponse<List<TransactionCategory>>> GetListAsync([FromQuery] TransactionType? type = null)
     {
         try
         {
-            var tree = await categoryRepository.GetCategoryTreeAsync(type);
-            return new BaseResponse<List<TransactionCategoryTreeDto>>
+            List<TransactionCategory> categories;
+            if (type.HasValue)
             {
-                Success = true,
-                Data = tree
-            };
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "获取分类树失败");
-            return BaseResponse<List<TransactionCategoryTreeDto>>.Fail($"获取分类树失败: {ex.Message}");
-        }
-    }
-
-    /// <summary>
-    /// 获取顶级分类列表（按类型）
-    /// </summary>
-    [HttpGet]
-    public async Task<BaseResponse<List<TransactionCategory>>> GetTopLevelAsync([FromQuery] TransactionType type)
-    {
-        try
-        {
-            var categories = await categoryRepository.GetTopLevelCategoriesByTypeAsync(type);
+                categories = await categoryRepository.GetCategoriesByTypeAsync(type.Value);
+            }
+            else
+            {
+                categories = (await categoryRepository.GetAllAsync()).ToList();
+            }
+            
             return new BaseResponse<List<TransactionCategory>>
             {
                 Success = true,
@@ -46,30 +33,8 @@ public class TransactionCategoryController(
         }
         catch (Exception ex)
         {
-            logger.LogError(ex, "获取顶级分类失败, Type: {Type}", type);
-            return BaseResponse<List<TransactionCategory>>.Fail($"获取顶级分类失败: {ex.Message}");
-        }
-    }
-
-    /// <summary>
-    /// 获取子分类列表
-    /// </summary>
-    [HttpGet]
-    public async Task<BaseResponse<List<TransactionCategory>>> GetChildrenAsync([FromQuery] long parentId)
-    {
-        try
-        {
-            var categories = await categoryRepository.GetChildCategoriesAsync(parentId);
-            return new BaseResponse<List<TransactionCategory>>
-            {
-                Success = true,
-                Data = categories
-            };
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "获取子分类失败, ParentId: {ParentId}", parentId);
-            return BaseResponse<List<TransactionCategory>>.Fail($"获取子分类失败: {ex.Message}");
+            logger.LogError(ex, "获取分类列表失败");
+            return BaseResponse<List<TransactionCategory>>.Fail($"获取分类列表失败: {ex.Message}");
         }
     }
 
@@ -109,21 +74,16 @@ public class TransactionCategoryController(
         try
         {
             // 检查同名分类
-            var existing = await categoryRepository.GetByNameAndParentAsync(dto.Name, dto.ParentId, dto.Type);
+            var existing = await categoryRepository.GetByNameAndTypeAsync(dto.Name, dto.Type);
             if (existing != null)
             {
-                return BaseResponse<long>.Fail("同级已存在相同名称的分类");
+                return BaseResponse<long>.Fail("已存在相同名称的分类");
             }
 
             var category = new TransactionCategory
             {
                 Name = dto.Name,
-                ParentId = dto.ParentId,
-                Type = dto.Type,
-                Level = dto.Level,
-                SortOrder = dto.SortOrder,
-                Icon = dto.Icon,
-                Remark = dto.Remark
+                Type = dto.Type
             };
 
             var result = await categoryRepository.AddAsync(category);
@@ -164,18 +124,14 @@ public class TransactionCategoryController(
             // 如果修改了名称，检查同名
             if (category.Name != dto.Name)
             {
-                var existing = await categoryRepository.GetByNameAndParentAsync(dto.Name, category.ParentId, category.Type);
+                var existing = await categoryRepository.GetByNameAndTypeAsync(dto.Name, category.Type);
                 if (existing != null && existing.Id != dto.Id)
                 {
-                    return BaseResponse.Fail("同级已存在相同名称的分类");
+                    return BaseResponse.Fail("已存在相同名称的分类");
                 }
             }
 
             category.Name = dto.Name;
-            category.SortOrder = dto.SortOrder;
-            category.Icon = dto.Icon;
-            category.IsEnabled = dto.IsEnabled;
-            category.Remark = dto.Remark;
             category.UpdateTime = DateTime.Now;
 
             var success = await categoryRepository.UpdateAsync(category);
@@ -203,13 +159,6 @@ public class TransactionCategoryController(
     {
         try
         {
-            // 检查是否有子分类
-            var children = await categoryRepository.GetChildCategoriesAsync(id);
-            if (children.Any())
-            {
-                return BaseResponse.Fail("该分类下存在子分类，无法删除");
-            }
-
             // 检查是否被使用
             var inUse = await categoryRepository.IsCategoryInUseAsync(id);
             if (inUse)
@@ -245,12 +194,7 @@ public class TransactionCategoryController(
             var categories = dtoList.Select(dto => new TransactionCategory
             {
                 Name = dto.Name,
-                ParentId = dto.ParentId,
-                Type = dto.Type,
-                Level = dto.Level,
-                SortOrder = dto.SortOrder,
-                Icon = dto.Icon,
-                Remark = dto.Remark
+                Type = dto.Type
             }).ToList();
 
             var result = await categoryRepository.AddRangeAsync(categories);
@@ -280,12 +224,7 @@ public class TransactionCategoryController(
 /// </summary>
 public record CreateCategoryDto(
     string Name,
-    long ParentId,
-    TransactionType Type,
-    int Level,
-    int SortOrder = 0,
-    string? Icon = null,
-    string? Remark = null
+    TransactionType Type
 );
 
 /// <summary>
@@ -293,9 +232,5 @@ public record CreateCategoryDto(
 /// </summary>
 public record UpdateCategoryDto(
     long Id,
-    string Name,
-    int SortOrder,
-    string? Icon,
-    bool IsEnabled,
-    string? Remark
+    string Name
 );
diff --git a/WebApi/Controllers/TransactionRecordController.cs b/WebApi/Controllers/TransactionRecordController.cs
index 06252a1..ca4210d 100644
--- a/WebApi/Controllers/TransactionRecordController.cs
+++ b/WebApi/Controllers/TransactionRecordController.cs
@@ -110,7 +110,6 @@ public class TransactionRecordController(
                 Amount = dto.Amount,
                 Type = dto.Type,
                 Classify = dto.Classify ?? string.Empty,
-                SubClassify = dto.SubClassify ?? string.Empty,
                 ImportFrom = "手动录入",
                 EmailMessageId = 0 // 手动录入的记录，EmailMessageId 设为 0
             };
@@ -155,7 +154,6 @@ public class TransactionRecordController(
             transaction.Balance = dto.Balance;
             transaction.Type = dto.Type;
             transaction.Classify = dto.Classify ?? string.Empty;
-            transaction.SubClassify = dto.SubClassify ?? string.Empty;
 
             var success = await transactionRepository.UpdateAsync(transaction);
             if (success)
@@ -322,46 +320,65 @@ public class TransactionRecordController(
 
         try
         {
-            // 获取要分类的账单
-            var records = await transactionRepository.GetUnclassifiedAsync(request.PageSize);
+            // 验证账单ID列表
+            if (request.TransactionIds == null || request.TransactionIds.Count == 0)
+            {
+                await WriteEventAsync("error", "请提供要分类的账单ID");
+                return;
+            }
+
+            // 获取指定ID的账单
+            var records = new List<Entity.TransactionRecord>();
+            foreach (var id in request.TransactionIds)
+            {
+                var record = await transactionRepository.GetByIdAsync(id);
+                if (record != null && record.Classify == string.Empty)
+                {
+                    records.Add(record);
+                }
+            }
+
             if (records.Count == 0)
             {
-                await WriteEventAsync("error", "没有需要分类的账单");
+                await WriteEventAsync("error", "找不到指定的账单");
                 return;
             }
 
             // 获取所有分类
             var categories = await categoryRepository.GetAllAsync();
-            
+
             // 构建分类信息
-            var categoryInfo = string.Join("\n", categories
-                .Select(c =>
+            var categoryInfo = new StringBuilder();
+            foreach (var type in new[] { 0, 1, 2 })
+            {
+                var typeName = GetTypeName((TransactionType)type);
+                categoryInfo.AppendLine($"{typeName}: ");
+                var categoriesOfType = categories.Where(c => (int)c.Type == type).ToList();
+                foreach (var category in categoriesOfType)
                 {
-                    var children = categories.Where(x => x.ParentId == c.Id).ToList();
-                    var childrenStr = children.Count > 0 
-                        ? $"，子分类：{string.Join("、", children.Select(x => x.Name))}" 
-                        : "";
-                    return $"- {c.Name} ({(c.Type == TransactionType.Expense ? "支出" : "收入")}){childrenStr}";
-                }));
+                    categoryInfo.AppendLine($"- {category.Name}");
+                }
+            }
 
             // 构建账单信息
-            var billsInfo = string.Join("\n", records.Select((r, i) => 
+            var billsInfo = string.Join("\n", records.Select((r, i) =>
                 $"{i + 1}. ID={r.Id}, 摘要={r.Reason}, 金额={r.Amount}, 类型={GetTypeName(r.Type)}"));
 
-            var systemPrompt = $@"你是一个专业的账单分类助手。请根据提供的账单信息和分类列表，为每个账单选择最合适的分类。
+            var systemPrompt = $$"""
+                你是一个专业的账单分类助手。请根据提供的账单信息和分类列表，为每个账单选择最合适的分类。
 
-可用的分类列表：
-{categoryInfo}
+                可用的分类列表：
+                {{categoryInfo}}
 
-分类规则：
-1. 根据账单的摘要和金额，选择最匹配的一级分类
-2. 如果有合适的子分类，也要指定子分类
-3. 如果无法确定分类，可以选择""其他""
+                分类规则：
+                1. 根据账单的摘要和金额，选择最匹配的分类
+                2. 如果无法确定分类，可以选择""其他""
 
-请对每个账单进行分类，每次输出一个账单的分类结果，格式如下：
-{{""id"": 账单ID, ""classify"": ""一级分类"", ""subClassify"": ""子分类""}}
+                请对每个账单进行分类，每次输出一个账单的分类结果，格式如下：
+                {"id": 账单ID, "type": 0:支出/1:收入/2:不计入收支(Type为Number枚举值) ,"classify": 分类名称}
 
-只输出JSON，不要有其他文字说明。";
+                只输出JSON，不要有其他文字说明。
+                """;
 
             var userPrompt = $@"请为以下账单进行分类：
 
@@ -403,7 +420,11 @@ public class TransactionRecordController(
                 if (record != null)
                 {
                     record.Classify = item.Classify ?? string.Empty;
-                    record.SubClassify = item.SubClassify ?? string.Empty;
+                    // 如果提供了Type，也更新Type
+                    if (item.Type.HasValue)
+                    {
+                        record.Type = item.Type.Value;
+                    }
                     var success = await transactionRepository.UpdateAsync(record);
                     if (success)
                         successCount++;
@@ -429,6 +450,183 @@ public class TransactionRecordController(
         }
     }
 
+    /// <summary>
+    /// 获取按交易摘要分组的统计信息（支持分页）
+    /// </summary>
+    [HttpGet]
+    public async Task<PagedResponse<Repository.ReasonGroupDto>> GetReasonGroupsAsync(
+        [FromQuery] int pageIndex = 1,
+        [FromQuery] int pageSize = 20)
+    {
+        try
+        {
+            var (list, total) = await transactionRepository.GetReasonGroupsAsync(pageIndex, pageSize);
+            return new PagedResponse<Repository.ReasonGroupDto>
+            {
+                Success = true,
+                Data = list.ToArray(),
+                Total = total
+            };
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "获取交易摘要分组失败");
+            return PagedResponse<Repository.ReasonGroupDto>.Fail($"获取交易摘要分组失败: {ex.Message}");
+        }
+    }
+
+    /// <summary>
+    /// 按摘要批量更新分类
+    /// </summary>
+    [HttpPost]
+    public async Task<BaseResponse<int>> BatchUpdateByReasonAsync([FromBody] BatchUpdateByReasonDto dto)
+    {
+        try
+        {
+            var count = await transactionRepository.BatchUpdateByReasonAsync(dto.Reason, dto.Type, dto.Classify);
+            return new BaseResponse<int>
+            {
+                Success = true,
+                Data = count,
+                Message = $"成功更新 {count} 条记录"
+            };
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "按摘要批量更新分类失败，摘要: {Reason}", dto.Reason);
+            return BaseResponse<int>.Fail($"按摘要批量更新分类失败: {ex.Message}");
+        }
+    }
+
+    /// <summary>
+    /// 自然语言分析 - 根据用户输入的自然语言查询交易记录并预设分类
+    /// </summary>
+    [HttpPost]
+    public async Task<BaseResponse<NlpAnalysisResult>> NlpAnalysisAsync([FromBody] NlpAnalysisRequest request)
+    {
+        try
+        {
+            if (string.IsNullOrWhiteSpace(request.UserInput))
+            {
+                return BaseResponse<NlpAnalysisResult>.Fail("请输入查询条件");
+            }
+
+            // 获取所有分类
+            var categories = await categoryRepository.GetAllAsync();
+            var categoryInfo = new StringBuilder();
+            foreach (var type in new[] { 0, 1, 2 })
+            {
+                var typeName = GetTypeName((TransactionType)type);
+                categoryInfo.AppendLine($"{typeName}: ");
+                var categoriesOfType = categories.Where(c => (int)c.Type == type).ToList();
+                foreach (var category in categoriesOfType)
+                {
+                    categoryInfo.AppendLine($"- {category.Name}");
+                }
+            }
+
+            var systemPrompt = $$"""
+                你是一个专业的交易记录查询助手。用户会用自然语言描述他想要查询和分类的交易记录。
+
+                可用的分类列表：
+                {{categoryInfo}}
+
+                你需要分析用户的需求，提取以下信息：
+                1. 查询SQL, 根据用户的描述生成SQL Where 子句，用于查询交易记录。例如：Reason LIKE '%关键词%'
+                    Table Schema:
+                    TransactionRecord (
+                        Id LONG,
+                        Reason STRING,
+                        Amount DECIMAL,
+                        RefundAmount DECIMAL,
+                        Balance DECIMAL,
+                        OccurredAt DATETIME,
+                        EmailMessageId LONG,
+                        Type INT,
+                        Classify STRING,
+                        ImportNo STRING,
+                        ImportFrom STRING
+                    )
+                2. 目标交易类型（0:支出, 1:收入, 2:不计入收支）
+                3. 目标分类名称（必须从上面的分类列表中选择）
+
+                请以JSON格式输出，格式如下：
+                {
+                  "sql": "查询SQL",
+                  "targetType": 交易类型数字,
+                  "targetClassify": "分类名称"
+                }
+
+                只输出JSON，不要有其他文字说明。
+                """;
+
+            var userPrompt = $"用户输入：{request.UserInput}";
+
+            // 调用AI分析
+            var aiResponse = await openAiService.ChatAsync(systemPrompt, userPrompt);
+            logger.LogInformation("NLP分析AI返回结果: {Response}", aiResponse);
+            if (string.IsNullOrWhiteSpace(aiResponse))
+            {
+                return BaseResponse<NlpAnalysisResult>.Fail("AI分析失败，请检查AI配置");
+            }
+
+            // 解析AI返回的JSON
+            NlpAnalysisInfo? analysisInfo;
+            try
+            {
+                analysisInfo = JsonSerializer.Deserialize<NlpAnalysisInfo>(aiResponse);
+                if (analysisInfo == null)
+                {
+                    return BaseResponse<NlpAnalysisResult>.Fail("AI返回格式错误");
+                }
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "解析AI返回结果失败，返回内容: {Response}", aiResponse);
+                return BaseResponse<NlpAnalysisResult>.Fail($"AI返回格式错误: {ex.Message}");
+            }
+
+            // 根据关键词查询交易记录
+            var allRecords = await transactionRepository.QueryBySqlAsync(analysisInfo.Sql);
+            logger.LogInformation("NLP分析查询到 {Count} 条记录，SQL: {Sql}", allRecords.Count, analysisInfo.Sql);
+            
+            // 为每条记录预设分类
+            var recordsWithClassify = allRecords.Select(r => new TransactionRecordWithClassify
+            {
+                Id = r.Id,
+                Reason = r.Reason ?? string.Empty,
+                Amount = r.Amount,
+                Balance = r.Balance,
+                Card = r.Card ?? string.Empty,
+                OccurredAt = r.OccurredAt,
+                CreateTime = r.CreateTime,
+                ImportFrom = r.ImportFrom ?? string.Empty,
+                RefundAmount = r.RefundAmount,
+                UpsetedType = analysisInfo.TargetType,
+                UpsetedClassify = analysisInfo.TargetClassify,
+                TargetType = r.Type,
+                TargetClassify = r.Classify ?? string.Empty
+            }).ToList();
+
+            return new BaseResponse<NlpAnalysisResult>
+            {
+                Success = true,
+                Data = new NlpAnalysisResult
+                {
+                    Records = recordsWithClassify,
+                    TargetType = analysisInfo.TargetType,
+                    TargetClassify = analysisInfo.TargetClassify,
+                    SearchKeyword = analysisInfo.Sql
+                }
+            };
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "NLP分析失败，用户输入: {Input}", request.UserInput);
+            return BaseResponse<NlpAnalysisResult>.Fail($"NLP分析失败: {ex.Message}");
+        }
+    }
+
     private async Task WriteEventAsync(string eventType, string data)
     {
         var message = $"event: {eventType}\ndata: {data}\n\n";
@@ -458,8 +656,7 @@ public record CreateTransactionDto(
     string? Reason,
     decimal Amount,
     TransactionType Type,
-    string? Classify,
-    string? SubClassify
+    string? Classify
 );
 
 /// <summary>
@@ -471,8 +668,7 @@ public record UpdateTransactionDto(
     decimal Amount,
     decimal Balance,
     TransactionType Type,
-    string? Classify,
-    string? SubClassify
+    string? Classify
 );
 
 /// <summary>
@@ -488,7 +684,7 @@ public record DailyStatisticsDto(
 /// 智能分类请求DTO
 /// </summary>
 public record SmartClassifyRequest(
-    int PageSize = 10
+    List<long>? TransactionIds = null
 );
 
 /// <summary>
@@ -497,5 +693,67 @@ public record SmartClassifyRequest(
 public record BatchUpdateClassifyItem(
     long Id,
     string? Classify,
-    string? SubClassify
-);
\ No newline at end of file
+    TransactionType? Type = null
+);
+
+/// <summary>
+/// 按摘要批量更新DTO
+/// </summary>
+public record BatchUpdateByReasonDto(
+    string Reason,
+    TransactionType Type,
+    string Classify
+);
+
+/// <summary>
+/// NLP分析请求DTO
+/// </summary>
+public record NlpAnalysisRequest(
+    string UserInput
+);
+
+/// <summary>
+/// NLP分析结果DTO
+/// </summary>
+public record NlpAnalysisResult
+{
+    public List<TransactionRecordWithClassify> Records { get; set; } = new();
+    public TransactionType TargetType { get; set; }
+    public string TargetClassify { get; set; } = string.Empty;
+    public string SearchKeyword { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// 带分类信息的交易记录DTO
+/// </summary>
+public record TransactionRecordWithClassify
+{
+    public long Id { get; set; }
+    public string Reason { get; set; } = string.Empty;
+    public decimal Amount { get; set; }
+    public decimal Balance { get; set; }
+    public string Card { get; set; } = string.Empty;
+    public DateTime OccurredAt { get; set; }
+    public DateTime CreateTime { get; set; }
+    public string ImportFrom { get; set; } = string.Empty;
+    public decimal RefundAmount { get; set; }
+    public TransactionType UpsetedType { get; set; }
+    public string UpsetedClassify { get; set; } = string.Empty;
+    public TransactionType TargetType { get; set; }
+    public string TargetClassify { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// AI分析信息DTO（内部使用）
+/// </summary>
+public record NlpAnalysisInfo
+{
+    [JsonPropertyName("sql")]
+    public string Sql { get; set; } = string.Empty;
+
+    [JsonPropertyName("targetType")]
+    public TransactionType TargetType { get; set; }
+
+    [JsonPropertyName("targetClassify")]
+    public string TargetClassify { get; set; } = string.Empty;
+}
diff --git a/WebApi/GlobalUsings.cs b/WebApi/GlobalUsings.cs
index 86872fb..5460003 100644
--- a/WebApi/GlobalUsings.cs
+++ b/WebApi/GlobalUsings.cs
@@ -3,4 +3,7 @@ global using Common;
 global using Microsoft.AspNetCore.Mvc;
 global using WebApi.Controllers.Dto;
 global using Repository;
-global using Entity;
\ No newline at end of file
+global using Entity;
+global using System.Text.Json;
+global using System.Text;
+global using System.Text.Json.Serialization;
\ No newline at end of file