大量的代码格式化

Common/GlobalUsings.cs

@@ -0,0 +1,3 @@
+global using System.Reflection;
+global using System.Text.Json;
+global using Microsoft.Extensions.DependencyInjection;

Common/ServiceExtension.cs

@@ -1,7 +1,4 @@
-using System.Reflection;
+namespace Common;
-using Microsoft.Extensions.DependencyInjection;
-
-namespace Common;
 
 public static class TypeExtensions
 {
@@ -10,8 +7,8 @@ public static class TypeExtensions
     /// </summary>
     public static T? DeepClone<T>(this T source)
     {
-        var json = System.Text.Json.JsonSerializer.Serialize(source);
+        var json = JsonSerializer.Serialize(source);
-        return System.Text.Json.JsonSerializer.Deserialize<T>(json);
+        return JsonSerializer.Deserialize<T>(json);
     }
 }
 
@@ -41,7 +38,7 @@ public static class ServiceExtension
     private static void RegisterServices(IServiceCollection services, Assembly assembly)
     {
         var types = assembly.GetTypes()
-            .Where(t => t.IsClass && !t.IsAbstract);
+            .Where(t => t is { IsClass: true, IsAbstract: false });
 
         foreach (var type in types)
         {
@@ -71,14 +68,13 @@ public static class ServiceExtension
     private static void RegisterRepositories(IServiceCollection services, Assembly assembly)
     {
         var types = assembly.GetTypes()
-            .Where(t => t.IsClass && !t.IsAbstract);
+            .Where(t => t is { IsClass: true, IsAbstract: false });
 
         foreach (var type in types)
         {
             var interfaces = type.GetInterfaces()
                 .Where(i => i.Name.StartsWith("I") 
-                         && i.Namespace == "Repository"
+                            && i is { Namespace: "Repository", IsGenericType: false }); // 排除泛型接口如 IBaseRepository<T>
-                         && !i.IsGenericType); // 排除泛型接口如 IBaseRepository<T>
 
             foreach (var @interface in interfaces)
             {

Directory.Packages.props

@@ -3,6 +3,7 @@
     <!-- Email & MIME Libraries -->
     <PackageVersion Include="FreeSql" Version="3.5.305" />
     <PackageVersion Include="FreeSql.Extensions.JsonMap" Version="3.5.305" />
+    <PackageVersion Include="JetBrains.Annotations" Version="2025.2.4" />
     <PackageVersion Include="MailKit" Version="4.14.1" />
     <PackageVersion Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.1" />
     <PackageVersion Include="MimeKit" Version="4.14.0" />
@@ -34,5 +35,10 @@
     <!-- Text Processing -->
     <PackageVersion Include="JiebaNet.Analyser" Version="1.0.6" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
+    <!-- Testing -->
+    <PackageVersion Include="coverlet.collector" Version="6.0.4"/>
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
+    <PackageVersion Include="xunit" Version="2.9.3"/>
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.4"/>
   </ItemGroup>
 </Project>

EmailBill.sln

@@ -13,6 +13,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Common", "Common\Common.csp
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Entity", "Entity\Entity.csproj", "{B1BCD944-C4F5-406E-AE66-864E4BA21522}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WebApi.Test", "WebApi.Test\WebApi.Test.csproj", "{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -83,6 +85,18 @@ Global
 		{B1BCD944-C4F5-406E-AE66-864E4BA21522}.Release|x64.Build.0 = Release|Any CPU
 		{B1BCD944-C4F5-406E-AE66-864E4BA21522}.Release|x86.ActiveCfg = Release|Any CPU
 		{B1BCD944-C4F5-406E-AE66-864E4BA21522}.Release|x86.Build.0 = Release|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Debug|x64.Build.0 = Debug|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Debug|x86.Build.0 = Debug|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Release|x64.ActiveCfg = Release|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Release|x64.Build.0 = Release|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Release|x86.ActiveCfg = Release|Any CPU
+		{9CD457C8-A985-4DEA-9774-3B1D33CAFF51}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

EmailBill.sln.DotSettings

@@ -1,2 +1,3 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=fsql/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=fsql/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=strftime/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

Entity/EmailMessage.cs

@@ -1,6 +1,4 @@
-using System.Security.Cryptography;
+namespace Entity;
-
-namespace Entity;
 
 /// <summary>
 /// 邮件消息实体
@@ -39,7 +37,7 @@ public class EmailMessage : BaseEntity
     public string ComputeBodyHash()
     {
         using var md5 = MD5.Create();
-        var inputBytes = System.Text.Encoding.UTF8.GetBytes(Body + HtmlBody);
+        var inputBytes = Encoding.UTF8.GetBytes(Body + HtmlBody);
         var hashBytes = md5.ComputeHash(inputBytes);
         return Convert.ToHexString(hashBytes);
     }

Entity/GlobalUsings.cs

@@ -1 +1,3 @@
-global using FreeSql.DataAnnotations;
+global using FreeSql.DataAnnotations;
+global using System.Security.Cryptography;
+global using System.Text;

Entity/PushSubscription.cs

@@ -12,6 +12,6 @@ public class PushSubscription : BaseEntity
     public string? Auth { get; set; }
 
     public string? UserId { get; set; } // Optional: if you have user authentication
-    
+
     public string? UserAgent { get; set; }
 }

Repository/BaseRepository.cs

@@ -170,10 +170,10 @@ public abstract class BaseRepository<T>(IFreeSql freeSql) : IBaseRepository<T> w
         var dt = await FreeSql.Ado.ExecuteDataTableAsync(completeSql);
         var result = new List<dynamic>();
 
-        foreach (System.Data.DataRow row in dt.Rows)
+        foreach (DataRow row in dt.Rows)
         {
-            var expando = new System.Dynamic.ExpandoObject() as IDictionary<string, object>;
+            var expando = new ExpandoObject() as IDictionary<string, object>;
-            foreach (System.Data.DataColumn column in dt.Columns)
+            foreach (DataColumn column in dt.Columns)
             {
                 expando[column.ColumnName] = row[column];
             }

Repository/GlobalUsings.cs

@@ -1,5 +1,6 @@
 
 global using Entity;
-global using FreeSql;
 global using System.Linq;
+global using System.Data;
+global using System.Dynamic;
 

Repository/TransactionRecordRepository.cs

@@ -57,6 +57,7 @@ public interface ITransactionRecordRepository : IBaseRepository<TransactionRecor
     /// </summary>
     /// <param name="year">年份</param>
     /// <param name="month">月份</param>
+    /// <param name="savingClassify"></param>
     /// <returns>每天的消费笔数和金额详情</returns>
     Task<Dictionary<string, (int count, decimal expense, decimal income, decimal saving)>> GetDailyStatisticsAsync(int year, int month, string? savingClassify = null);
 
@@ -65,6 +66,7 @@ public interface ITransactionRecordRepository : IBaseRepository<TransactionRecor
     /// </summary>
     /// <param name="startDate">开始日期</param>
     /// <param name="endDate">结束日期</param>
+    /// <param name="savingClassify"></param>
     /// <returns>每天的消费笔数和金额详情</returns>
     Task<Dictionary<string, (int count, decimal expense, decimal income, decimal saving)>> GetDailyStatisticsByRangeAsync(DateTime startDate, DateTime endDate, string? savingClassify = null);
 
@@ -149,7 +151,6 @@ public interface ITransactionRecordRepository : IBaseRepository<TransactionRecor
     /// <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>> QueryByWhereAsync(string sql);
 
@@ -259,7 +260,7 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
                                 t => t.Reason == reason);
 
         // 按分类筛选
-        if (classifies != null && classifies.Length > 0)
+        if (classifies is { Length: > 0 })
         {
             var filterClassifies = classifies.Select(c => c == "未分类" ? string.Empty : c).ToList();
             query = query.Where(t => filterClassifies.Contains(t.Classify));
@@ -290,15 +291,13 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
                 .Page(pageIndex, pageSize)
                 .ToListAsync();
         }
-        else
+
-        {
+        // 按时间降序排列
-            // 按时间降序排列
+        return await query
-            return await query
+            .OrderByDescending(t => t.OccurredAt)
-                .OrderByDescending(t => t.OccurredAt)
+            .OrderByDescending(t => t.Id)
-                .OrderByDescending(t => t.Id)
+            .Page(pageIndex, pageSize)
-                .Page(pageIndex, pageSize)
+            .ToListAsync();
-                .ToListAsync();
-        }
     }
 
     public async Task<long> GetTotalCountAsync(
@@ -323,7 +322,7 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
                                 t => t.Reason == reason);
 
         // 按分类筛选
-        if (classifies != null && classifies.Length > 0)
+        if (classifies is { Length: > 0 })
         {
             var filterClassifies = classifies.Select(c => c == "未分类" ? string.Empty : c).ToList();
             query = query.Where(t => filterClassifies.Contains(t.Classify));
@@ -471,9 +470,9 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
                 result.Add(new ReasonGroupDto
                 {
                     Reason = group.Reason,
-                    Count = (int)group.Count,
+                    Count = group.Count,
                     SampleType = sample.Type,
-                    SampleClassify = sample.Classify ?? string.Empty,
+                    SampleClassify = sample.Classify,
                     TransactionIds = records.Select(r => r.Id).ToList(),
                     TotalAmount = Math.Abs(group.TotalAmount)
                 });
@@ -551,7 +550,7 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
             .ToListAsync();
 
         var categoryGroups = records
-            .GroupBy(t => t.Classify ?? "未分类")
+            .GroupBy(t => t.Classify)
             .Select(g => new CategoryStatistics
             {
                 Classify = g.Key,
@@ -615,9 +614,9 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
 
     public async Task<List<TransactionRecord>> GetClassifiedByKeywordsAsync(List<string> keywords, int limit = 10)
     {
-        if (keywords == null || keywords.Count == 0)
+        if (keywords.Count == 0)
         {
-            return new List<TransactionRecord>();
+            return [];
         }
 
         var query = FreeSql.Select<TransactionRecord>()
@@ -637,9 +636,9 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
 
     public async Task<List<(TransactionRecord record, double relevanceScore)>> GetClassifiedByKeywordsWithScoreAsync(List<string> keywords, double minMatchRate = 0.3, int limit = 10)
     {
-        if (keywords == null || keywords.Count == 0)
+        if (keywords.Count == 0)
         {
-            return new List<(TransactionRecord, double)>();
+            return [];
         }
 
         // 查询所有已分类且包含任意关键词的账单
@@ -687,7 +686,7 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
 
         if (currentRecord == null)
         {
-            return new List<TransactionRecord>();
+            return [];
         }
 
         var list = await FreeSql.Select<TransactionRecord>()
@@ -740,7 +739,7 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
         var query = FreeSql.Select<TransactionRecord>()
             .Where(t => t.OccurredAt >= startDate && t.OccurredAt <= endDate && t.Type == type);
 
-        if (classifies != null && classifies.Any())
+        if (classifies.Any())
         {
             query = query.Where(t => classifies.Contains(t.Classify));
         }
@@ -753,12 +752,10 @@ public class TransactionRecordRepository(IFreeSql freeSql) : BaseRepository<Tran
                 .GroupBy(t => new DateTime(t.OccurredAt.Year, t.OccurredAt.Month, 1))
                 .ToDictionary(g => g.Key, g => g.Sum(x => Math.Abs(x.Amount)));
         }
-        else
+
-        {
+        return list
-            return list
+            .GroupBy(t => t.OccurredAt.Date)
-                .GroupBy(t => t.OccurredAt.Date)
+            .ToDictionary(g => g.Key, g => g.Sum(x => Math.Abs(x.Amount)));
-                .ToDictionary(g => g.Key, g => g.Sum(x => Math.Abs(x.Amount)));
-        }
     }
 }
 
@@ -790,7 +787,7 @@ public class ReasonGroupDto
     /// <summary>
     /// 该分组的所有账单ID列表
     /// </summary>
-    public List<long> TransactionIds { get; set; } = new();
+    public List<long> TransactionIds { get; set; } = [];
 
     /// <summary>
     /// 该分组的总金额（绝对值）
@@ -804,12 +801,19 @@ public class ReasonGroupDto
 public class MonthlyStatistics
 {
     public int Year { get; set; }
+
     public int Month { get; set; }
+
     public decimal TotalExpense { get; set; }
+
     public decimal TotalIncome { get; set; }
+
     public decimal Balance { get; set; }
+
     public int ExpenseCount { get; set; }
+
     public int IncomeCount { get; set; }
+
     public int TotalCount { get; set; }
 }
 
@@ -819,8 +823,11 @@ public class MonthlyStatistics
 public class CategoryStatistics
 {
     public string Classify { get; set; } = string.Empty;
+
     public decimal Amount { get; set; }
+
     public int Count { get; set; }
+
     public decimal Percent { get; set; }
 }
 
@@ -830,8 +837,12 @@ public class CategoryStatistics
 public class TrendStatistics
 {
     public int Year { get; set; }
+
     public int Month { get; set; }
+
     public decimal Expense { get; set; }
+
     public decimal Income { get; set; }
+
     public decimal Balance { get; set; }
 }

Service/AppSettingModel/AISettings.cs

@@ -1,6 +1,6 @@
 namespace Service.AppSettingModel;
 
-public class AISettings
+public class AiSettings
 {
     public string Endpoint { get; set; } = string.Empty;
     public string Key { get; set; } = string.Empty;

Service/BudgetService.cs

@@ -1,4 +1,6 @@
-namespace Service;
+using JetBrains.Annotations;
+
+namespace Service;
 
 public interface IBudgetService
 {
@@ -24,6 +26,7 @@ public interface IBudgetService
     Task<BudgetResult?> GetSavingsBudgetAsync(int year, int month, BudgetPeriodType type);
 }
 
+[UsedImplicitly]
 public class BudgetService(
     IBudgetRepository budgetRepository,
     IBudgetArchiveRepository budgetArchiveRepository,
@@ -79,20 +82,22 @@ public class BudgetService(
         }
 
         // 创造虚拟的存款预算
-        dtos.Add(await GetVirtualSavingsDtoAsync(
+        dtos.Add(await GetSavingsDtoAsync(
             BudgetPeriodType.Month,
             referenceDate,
             budgets));
-        dtos.Add(await GetVirtualSavingsDtoAsync(
+        dtos.Add(await GetSavingsDtoAsync(
             BudgetPeriodType.Year,
             referenceDate,
             budgets));
 
         dtos = dtos
+            .Where(x => x != null)
+            .Cast<BudgetResult>()
             .OrderByDescending(x => x.IsMandatoryExpense)
             .ThenBy(x => x.Type)
             .ThenByDescending(x => x.Current)
-            .ToList();
+            .ToList()!;
 
         return [.. dtos.Where(dto => dto != null).Cast<BudgetResult>()];
     }
@@ -100,7 +105,7 @@ public class BudgetService(
     public async Task<BudgetResult?> GetSavingsBudgetAsync(int year, int month, BudgetPeriodType type)
     {
         var referenceDate = new DateTime(year, month, 1);
-        return await GetVirtualSavingsDtoAsync(type, referenceDate);
+        return await GetSavingsDtoAsync(type, referenceDate);
     }
 
     public async Task<BudgetCategoryStats> GetCategoryStatsAsync(BudgetCategory category, DateTime referenceDate)
@@ -128,7 +133,7 @@ public class BudgetService(
             _ => TransactionType.None
         };
 
-        if (transactionType == TransactionType.None) return new List<UncoveredCategoryDetail>();
+        if (transactionType == TransactionType.None) return [];
 
         // 1. 获取所有预算
         var budgets = (await budgetRepository.GetAllAsync()).ToList();
@@ -205,7 +210,7 @@ public class BudgetService(
             totalLimit += itemLimit;
 
             // 当前值累加
-            var selectedCategories = budget.SelectedCategories != null ? string.Join(',', budget.SelectedCategories) : string.Empty;
+            var selectedCategories = string.Join(',', budget.SelectedCategories);
             var currentAmount = await CalculateCurrentAmountAsync(new()
             {
                 Name = budget.Name,
@@ -246,7 +251,7 @@ public class BudgetService(
 
         if (transactionType != TransactionType.None)
         {
-            var hasGlobalBudget = relevant.Any(b => b.SelectedCategories == null || b.SelectedCategories.Length == 0);
+            var hasGlobalBudget = relevant.Any(b => b.SelectedCategories.Length == 0);
 
             var allClassifies = hasGlobalBudget
                 ? []
@@ -256,7 +261,7 @@ public class BudgetService(
                     .ToList();
 
             DateTime startDate, endDate;
-            bool groupByMonth = false;
+            bool groupByMonth;
 
             if (statType == BudgetPeriodType.Month)
             {
@@ -445,7 +450,7 @@ public class BudgetService(
                 .Where(t =>
                 {
                     var dict = (IDictionary<string, object>)t;
-                    var classify = dict["Classify"]?.ToString() ?? "";
+                    var classify = dict["Classify"].ToString() ?? "";
                     var type = Convert.ToInt32(dict["Type"]);
                     return type == 0 && !budgetedCategories.Contains(classify);
                 })
@@ -551,7 +556,8 @@ public class BudgetService(
                 // 返回实际消费和硬性消费累加中的较大值
                 return mandatoryAccumulation;
             }
-            else if (budget.Type == BudgetPeriodType.Year)
+
+            if (budget.Type == BudgetPeriodType.Year)
             {
                 // 计算本年的天数（考虑闰年）
                 var daysInYear = DateTime.IsLeapYear(referenceDate.Year) ? 366 : 365;
@@ -592,7 +598,7 @@ public class BudgetService(
         return (start, end);
     }
 
-    private async Task<BudgetResult?> GetVirtualSavingsDtoAsync(
+    private async Task<BudgetResult?> GetSavingsDtoAsync(
         BudgetPeriodType periodType,
         DateTime? referenceDate = null,
         IEnumerable<BudgetRecord>? existingBudgets = null)
@@ -657,7 +663,7 @@ public class BudgetService(
             if (b.Category == BudgetCategory.Savings) continue;
 
             processedIds.Add(b.Id);
-            decimal factor = 1.0m;
+            decimal factor;
             decimal historicalAmount = 0m;
             var historicalMonths = new List<int>();
 
@@ -759,7 +765,6 @@ public class BudgetService(
 
             foreach (var group in deletedBudgets)
             {
-                var budgetId = group.Key;
                 var months = group.Select(g => g.Key.Month).OrderBy(m => m).ToList();
                 var totalLimit = group.Sum(g => g.Value.HistoricalLimit);
                 var (_, category, name) = group.First().Value;
@@ -862,12 +867,12 @@ public class BudgetService(
                 </thead>
             <tbody>
             """);
-            foreach (var (Name, Amount) in noLimitIncomeItems)
+            foreach (var (name, amount) in noLimitIncomeItems)
             {
                 description.Append($"""
                 <tr>
-                    <td>{Name}</td>
+                    <td>{name}</td>
-                    <td><span class='income-value'>{Amount:N0}</span></td>
+                    <td><span class='income-value'>{amount:N0}</span></td>
                 </tr>
                 """);
             }
@@ -953,12 +958,12 @@ public class BudgetService(
                 </thead>
             <tbody>
             """);
-            foreach (var (Name, Amount) in noLimitExpenseItems)
+            foreach (var (name, amount) in noLimitExpenseItems)
             {
                 description.Append($"""
                 <tr>
-                    <td>{Name}</td>
+                    <td>{name}</td>
-                    <td><span class='expense-value'>{Amount:N0}</span></td>
+                    <td><span class='expense-value'>{amount:N0}</span></td>
                 </tr>
                 """);
             }
@@ -1080,13 +1085,13 @@ public record BudgetResult
     public decimal Limit { get; set; }
     public decimal Current { get; set; }
     public BudgetCategory Category { get; set; }
-    public string[] SelectedCategories { get; set; } = Array.Empty<string>();
+    public string[] SelectedCategories { get; set; } = [];
     public string StartDate { get; set; } = string.Empty;
     public string Period { get; set; } = string.Empty;
     public DateTime? PeriodStart { get; set; }
     public DateTime? PeriodEnd { get; set; }
-    public bool NoLimit { get; set; } = false;
+    public bool NoLimit { get; set; }
-    public bool IsMandatoryExpense { get; set; } = false;
+    public bool IsMandatoryExpense { get; set; }
     public string Description { get; set; } = string.Empty;
 
     public static BudgetResult FromEntity(
@@ -1107,7 +1112,7 @@ public record BudgetResult
             Current = currentAmount,
             Category = entity.Category,
             SelectedCategories = string.IsNullOrEmpty(entity.SelectedCategories)
-                ? Array.Empty<string>()
+                ? []
                 : entity.SelectedCategories.Split(','),
             StartDate = entity.StartDate.ToString("yyyy-MM-dd"),
             Period = entity.Type switch
@@ -1157,7 +1162,7 @@ public class BudgetStatsDto
     /// <summary>
     /// 每日/每月累计金额趋势（对应当前周期内的实际发生额累计值）
     /// </summary>
-    public List<decimal?> Trend { get; set; } = new();
+    public List<decimal?> Trend { get; set; } = [];
 }
 
 /// <summary>
@@ -1175,6 +1180,7 @@ public class BudgetCategoryStats
     /// </summary>
     public BudgetStatsDto Year { get; set; } = new();
 }
+
 public class UncoveredCategoryDetail
 {
     public string Category { get; set; } = string.Empty;

Service/ConfigService.cs

@@ -43,12 +43,12 @@ public class ConfigService(IConfigRepository configRepository) : IConfigService
         var config = await configRepository.GetByKeyAsync(key);
         var type = typeof(T) switch
         {
-            Type t when t == typeof(bool) => ConfigType.Boolean,
+            { } t when t == typeof(bool) => ConfigType.Boolean,
-            Type t when t == typeof(int)
+            { } t when t == typeof(int)
-                || t == typeof(double)
+                       || t == typeof(double)
-                || t == typeof(float)
+                       || t == typeof(float)
-                || t == typeof(decimal) => ConfigType.Number,
+                       || t == typeof(decimal) => ConfigType.Number,
-            Type t when t == typeof(string) => ConfigType.String,
+            { } t when t == typeof(string) => ConfigType.String,
             _ => ConfigType.Json
         };
         var valueStr = type switch

Service/EmailServices/EmailHandleService.cs

@@ -1,4 +1,4 @@
-using Service.EmailParseServices;
+using Service.EmailServices.EmailParse;
 
 namespace Service.EmailServices;
 
@@ -65,7 +65,7 @@ public class EmailHandleService(
             await messageService.AddAsync(
                 "邮件解析失败",
                 $"来自 {from} 发送给 {to} 的邮件（主题：{subject}）未能成功解析内容，可能格式已变更或不受支持。",
-                url: $"/balance?tab=email"
+                url: "/balance?tab=email"
             );
             logger.LogWarning("未能成功解析邮件内容，跳过账单处理");
             return true;

Service/EmailServices/EmailParse/EmailParseForm95555.cs

@@ -1,4 +1,4 @@
-namespace Service.EmailParseServices;
+namespace Service.EmailServices.EmailParse;
 
 public class EmailParseForm95555(
     ILogger<EmailParseForm95555> logger,
@@ -26,7 +26,7 @@ public class EmailParseForm95555(
         return true;
     }
 
-    public override async Task<(
+    public override Task<(
         string card,
         string reason,
         decimal amount,
@@ -51,7 +51,7 @@ public class EmailParseForm95555(
         if (matches.Count <= 0)
         {
             logger.LogWarning("未能从招商银行邮件内容中解析出交易信息");
-            return [];
+            return Task.FromResult<(string card, string reason, decimal amount, decimal balance, TransactionType type, DateTime? occurredAt)[]>([]);
         }
 
         var results = new List<(
@@ -85,7 +85,7 @@ public class EmailParseForm95555(
                 results.Add((card, reason, amount, balance, type, occurredAt));
             }
         }
-        return results.ToArray();
+        return Task.FromResult(results.ToArray());
     }
 
     private DateTime? ParseOccurredAt(string value)

Service/EmailServices/EmailParse/EmailParseFormCCSVC.cs

@@ -1,9 +1,9 @@
 using HtmlAgilityPack;
 
-namespace Service.EmailParseServices;
+namespace Service.EmailServices.EmailParse;
 
-public class EmailParseFormCCSVC(
+public class EmailParseFormCcsvc(
-    ILogger<EmailParseFormCCSVC> logger,
+    ILogger<EmailParseFormCcsvc> logger,
     IOpenAiService openAiService
 ) : EmailParseServicesBase(logger, openAiService)
 {
@@ -44,11 +44,6 @@ public class EmailParseFormCCSVC(
 
         // 1. Get Date
         var dateNode = doc.DocumentNode.SelectSingleNode("//font[contains(text(), '您的消费明细如下')]");
-        if (dateNode == null)
-        {
-            logger.LogWarning("Date node not found");
-            return Array.Empty<(string, string, decimal, decimal, TransactionType, DateTime?)>();
-        }
 
         var dateText = dateNode.InnerText.Trim();
         // "2025/12/21&nbsp;您的消费明细如下："
@@ -56,111 +51,94 @@ public class EmailParseFormCCSVC(
         if (!dateMatch.Success || !DateTime.TryParse(dateMatch.Value, out var date))
         {
             logger.LogWarning("Failed to parse date from: {DateText}", dateText);
-            return Array.Empty<(string, string, decimal, decimal, TransactionType, DateTime?)>();
+            return [];
         }
 
         // 2. Get Balance (Available Limit)
         decimal balance = 0;
         // Find "可用额度" label
         var limitLabelNode = doc.DocumentNode.SelectSingleNode("//font[contains(text(), '可用额度')]");
-        if (limitLabelNode != null)
         {
             // Go up to TR
             var tr = limitLabelNode.Ancestors("tr").FirstOrDefault();
             if (tr != null)
             {
                 var prevTr = tr.PreviousSibling;
-                while (prevTr != null && prevTr.Name != "tr") prevTr = prevTr.PreviousSibling;
+                while (prevTr.Name != "tr") prevTr = prevTr.PreviousSibling;
 
-                if (prevTr != null)
+                var balanceNode = prevTr.SelectSingleNode(".//font[contains(text(), '￥')]");
-                {
+                var balanceStr = balanceNode.InnerText.Replace("￥", "").Replace(",", "").Trim();
-                    var balanceNode = prevTr.SelectSingleNode(".//font[contains(text(), '￥')]");
+                decimal.TryParse(balanceStr, out balance);
-                    if (balanceNode != null)
-                    {
-                        var balanceStr = balanceNode.InnerText.Replace("￥", "").Replace(",", "").Trim();
-                        decimal.TryParse(balanceStr, out balance);
-                    }
-                }
             }
         }
 
         // 3. Get Transactions
         var transactionNodes = doc.DocumentNode.SelectNodes("//span[@id='fixBand4']");
-        if (transactionNodes != null)
+        foreach (var node in transactionNodes)
         {
-            foreach (var node in transactionNodes)
+            try
             {
-                try
+                // Time
+                var timeNode = node.SelectSingleNode(".//span[@id='fixBand5']//font");
+                var timeText = timeNode.InnerText.Trim(); // "10:13:43"
+
+                DateTime? occurredAt = date;
+                if (!string.IsNullOrEmpty(timeText) && DateTime.TryParse($"{date:yyyy-MM-dd} {timeText}", out var dt))
                 {
-                    // Time
+                    occurredAt = dt;
-                    var timeNode = node.SelectSingleNode(".//span[@id='fixBand5']//font");
-                    var timeText = timeNode?.InnerText.Trim(); // "10:13:43"
-
-                    DateTime? occurredAt = date;
-                    if (!string.IsNullOrEmpty(timeText) && DateTime.TryParse($"{date:yyyy-MM-dd} {timeText}", out var dt))
-                    {
-                        occurredAt = dt;
-                    }
-
-                    // Info Block
-                    var infoNode = node.SelectSingleNode(".//span[@id='fixBand12']");
-                    if (infoNode == null) continue;
-
-                    // Amount
-                    var amountNode = infoNode.SelectSingleNode(".//font[contains(text(), 'CNY')]");
-                    var amountText = amountNode?.InnerText.Replace("CNY", "").Replace("&nbsp;", "").Trim();
-                    if (!decimal.TryParse(amountText, out var amount))
-                    {
-                        continue;
-                    }
-
-                    // Description
-                    var descNode = infoNode.SelectSingleNode(".//tr[2]//font");
-                    var descText = descNode?.InnerText ?? "";
-                    // Replace &nbsp; and non-breaking space (\u00A0) with normal space
-                    descText = descText.Replace("&nbsp;", " ");
-                    descText = HtmlEntity.DeEntitize(descText).Replace((char)160, ' ').Trim();
-
-                    // Parse Description: "尾号4390 消费 财付通-luckincoffee瑞幸咖啡"
-                    var parts = descText.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
-
-                    string card = "";
-                    string reason = descText;
-                    TransactionType type = TransactionType.Expense;
-
-                    if (parts.Length > 0 && parts[0].StartsWith("尾号"))
-                    {
-                        card = parts[0].Replace("尾号", "");
-                    }
-
-                    if (parts.Length > 1)
-                    {
-                        var typeStr = parts[1];
-                        type = DetermineTransactionType(typeStr, reason, amount);
-                    }
-
-                    if (parts.Length > 2)
-                    {
-                        reason = string.Join(" ", parts.Skip(2));
-                    }
-
-                    // 招商信用卡特殊，消费金额为正数，退款为负数
-                    if(amount > 0)
-                    {
-                        type = TransactionType.Expense;
-                    }
-                    else
-                    {
-                        type = TransactionType.Income;
-                        amount = Math.Abs(amount);
-                    }
-
-                    result.Add((card, reason, amount, balance, type, occurredAt));
                 }
-                catch (Exception ex)
+
+                // Info Block
+                var infoNode = node.SelectSingleNode(".//span[@id='fixBand12']");
+
+                // Amount
+                var amountNode = infoNode.SelectSingleNode(".//font[contains(text(), 'CNY')]");
+                var amountText = amountNode.InnerText.Replace("CNY", "").Replace("&nbsp;", "").Trim();
+                if (!decimal.TryParse(amountText, out var amount))
                 {
-                    logger.LogError(ex, "Error parsing transaction node");
+                    continue;
                 }
+
+                // Description
+                var descNode = infoNode.SelectSingleNode(".//tr[2]//font");
+                var descText = descNode.InnerText;
+                // Replace &nbsp; and non-breaking space (\u00A0) with normal space
+                descText = descText.Replace("&nbsp;", " ");
+                descText = HtmlEntity.DeEntitize(descText).Replace((char)160, ' ').Trim();
+
+                // Parse Description: "尾号4390 消费 财付通-luckincoffee瑞幸咖啡"
+                var parts = descText.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+
+                string card = "";
+                string reason = descText;
+                TransactionType type;
+
+                if (parts.Length > 0 && parts[0].StartsWith("尾号"))
+                {
+                    card = parts[0].Replace("尾号", "");
+                }
+
+                if (parts.Length > 2)
+                {
+                    reason = string.Join(" ", parts.Skip(2));
+                }
+
+                // 招商信用卡特殊，消费金额为正数，退款为负数
+                if(amount > 0)
+                {
+                    type = TransactionType.Expense;
+                }
+                else
+                {
+                    type = TransactionType.Income;
+                    amount = Math.Abs(amount);
+                }
+
+                result.Add((card, reason, amount, balance, type, occurredAt));
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "Error parsing transaction node");
             }
         }
 

Service/EmailServices/EmailParse/IEmailParseServices.cs

@@ -1,4 +1,4 @@
-namespace Service.EmailParseServices;
+namespace Service.EmailServices.EmailParse;
 
 public interface IEmailParseServices
 {
@@ -201,7 +201,7 @@ public abstract class EmailParseServicesBase(
 
         // 收入关键词
         string[] incomeKeywords =
-        {
+        [
             "工资", "奖金", "退款",
             "返现", "收入", "转入",
             "存入", "利息", "分红",
@@ -233,13 +233,13 @@ public abstract class EmailParseServicesBase(
             // 存取类
             "现金存入", "柜台存入", "ATM存入",
             "他人转入", "他人汇入"
-        };
+        ];
         if (incomeKeywords.Any(k => lowerReason.Contains(k)))
             return TransactionType.Income;
 
         // 支出关键词
         string[] expenseKeywords =
-        {
+        [
             "消费", "支付", "购买",
             "转出", "取款", "支出",
             "扣款", "缴费", "付款",
@@ -269,7 +269,7 @@ public abstract class EmailParseServicesBase(
             // 信用卡/花呗等场景
             "信用卡还款", "花呗还款", "白条还款",
             "分期还款", "账单还款", "自动还款"
-        };
+        ];
         if (expenseKeywords.Any(k => lowerReason.Contains(k)))
             return TransactionType.Expense;
 

Service/EmailServices/EmailSyncService.cs

@@ -182,7 +182,7 @@ public class EmailSyncService(
                     var unreadMessages = await emailFetchService.FetchUnreadMessagesAsync();
                     logger.LogInformation("邮箱 {Email} 获取到 {MessageCount} 封未读邮件", email, unreadMessages.Count);
 
-                    foreach (var (message, uid) in unreadMessages)
+                    foreach (var (message, _) in unreadMessages)
                     {
                         try
                         {

Service/GlobalUsings.cs

@@ -7,10 +7,11 @@ global using System.Globalization;
 global using System.Text;
 global using System.Text.Json;
 global using Entity;
-global using FreeSql;
 global using System.Linq;
 global using Service.AppSettingModel;
 global using System.Text.Json.Serialization;
 global using System.Text.Json.Nodes;
 global using Microsoft.Extensions.Configuration;
-global using Common;
+global using Common;
+global using System.Net;
+global using System.Text.Encodings.Web;

Service/ImportService.cs

@@ -133,7 +133,7 @@ public class ImportService(
                 return DateTime.MinValue;
             }
 
-            foreach (var format in DateTimeFormats)
+            foreach (var format in _dateTimeFormats)
             {
                 if (DateTime.TryParseExact(
                     row[key],
@@ -288,7 +288,7 @@ public class ImportService(
                 return DateTime.MinValue;
             }
 
-            foreach (var format in DateTimeFormats)
+            foreach (var format in _dateTimeFormats)
             {
                 if (DateTime.TryParseExact(
                     row[key],
@@ -358,14 +358,13 @@ public class ImportService(
         {
             return await ParseCsvAsync(file);
         }
-        else if (fileExtension == ".xlsx" || fileExtension == ".xls")
+
+        if (fileExtension == ".xlsx" || fileExtension == ".xls")
         {
             return await ParseExcelAsync(file);
         }
-        else
+
-        {
+        throw new NotSupportedException("不支持的文件格式");
-            throw new NotSupportedException("不支持的文件格式");
-        }
     }
 
     private async Task<IDictionary<string, string>[]> ParseCsvAsync(MemoryStream file)
@@ -388,7 +387,7 @@ public class ImportService(
 
         if (headers == null || headers.Length == 0)
         {
-            return Array.Empty<IDictionary<string, string>>();
+            return [];
         }
 
         var result = new List<IDictionary<string, string>>();
@@ -420,7 +419,7 @@ public class ImportService(
 
         if (worksheet == null || worksheet.Dimension == null)
         {
-            return Array.Empty<IDictionary<string, string>>();
+            return [];
         }
 
         var rowCount = worksheet.Dimension.End.Row;
@@ -428,7 +427,7 @@ public class ImportService(
 
         if (rowCount < 2)
         {
-            return Array.Empty<IDictionary<string, string>>();
+            return [];
         }
 
         // 读取表头（第一行）
@@ -458,7 +457,7 @@ public class ImportService(
         return await Task.FromResult(result.ToArray());
     }
 
-    private static string[] DateTimeFormats =
+    private static string[] _dateTimeFormats =
     [
         "yyyy-MM-dd",
         "yyyy-MM-dd HH",

Service/Jobs/EmailSyncJob.cs

@@ -127,7 +127,7 @@ public class EmailSyncJob(
                     var unreadMessages = await emailFetchService.FetchUnreadMessagesAsync();
                     logger.LogInformation("邮箱 {Email} 获取到 {MessageCount} 封未读邮件", email, unreadMessages.Count);
 
-                    foreach (var (message, uid) in unreadMessages)
+                    foreach (var (message, _) in unreadMessages)
                     {
                         try
                         {

Service/LogCleanupService.cs

@@ -68,8 +68,8 @@ public class LogCleanupService(ILogger<LogCleanupService> logger) : BackgroundSe
 
                         // 尝试解析日期 (格式: yyyyMMdd)
                         if (DateTime.TryParseExact(dateStr, "yyyyMMdd", 
-                            System.Globalization.CultureInfo.InvariantCulture, 
+                            CultureInfo.InvariantCulture, 
-                            System.Globalization.DateTimeStyles.None, 
+                            DateTimeStyles.None, 
                             out var logDate))
                         {
                             if (logDate < cutoffDate)

Service/NotificationService.cs

@@ -1,11 +1,12 @@
 using WebPush;
+using PushSubscription = Entity.PushSubscription;
 
 namespace Service;
 
 public interface INotificationService
 {
     Task<string> GetVapidPublicKeyAsync();
-    Task SubscribeAsync(Entity.PushSubscription subscription);
+    Task SubscribeAsync(PushSubscription subscription);
     Task SendNotificationAsync(string message, string? url = null);
 }
 
@@ -32,7 +33,7 @@ public class NotificationService(
         return Task.FromResult(GetSettings().PublicKey);
     }
 
-    public async Task SubscribeAsync(Entity.PushSubscription subscription)
+    public async Task SubscribeAsync(PushSubscription subscription)
     {
         var existing = await subscriptionRepo.GetByEndpointAsync(subscription.Endpoint);
         if (existing != null)
@@ -61,7 +62,7 @@ public class NotificationService(
         var webPushClient = new WebPushClient();
 
         var subscriptions = await subscriptionRepo.GetAllAsync();
-        var payload = System.Text.Json.JsonSerializer.Serialize(new
+        var payload = JsonSerializer.Serialize(new
         {
             title = "System Notification",
             body = message,
@@ -78,7 +79,7 @@ public class NotificationService(
             }
             catch (WebPushException ex)
             {
-                if (ex.StatusCode == System.Net.HttpStatusCode.Gone || ex.StatusCode == System.Net.HttpStatusCode.NotFound)
+                if (ex.StatusCode == HttpStatusCode.Gone || ex.StatusCode == HttpStatusCode.NotFound)
                 {
                     await subscriptionRepo.DeleteAsync(sub.Id);
                 }

Service/OpenAiService.cs

@@ -11,7 +11,7 @@ public interface IOpenAiService
 }
 
 public class OpenAiService(
-    IOptions<AISettings> aiSettings,
+    IOptions<AiSettings> aiSettings,
     ILogger<OpenAiService> logger
 ) : IOpenAiService
 {
@@ -158,10 +158,8 @@ public class OpenAiService(
         var json = JsonSerializer.Serialize(payload);
         using var content = new StringContent(json, Encoding.UTF8, "application/json");
     
-        using var request = new HttpRequestMessage(HttpMethod.Post, url)
+        using var request = new HttpRequestMessage(HttpMethod.Post, url);
-        {
+        request.Content = content;
-            Content = content
-        };
         using var resp = await http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
     
         if (!resp.IsSuccessStatusCode)
@@ -232,10 +230,8 @@ public class OpenAiService(
         using var content = new StringContent(json, Encoding.UTF8, "application/json");
     
         // 使用 SendAsync 来支持 HttpCompletionOption
-        using var request = new HttpRequestMessage(HttpMethod.Post, url)
+        using var request = new HttpRequestMessage(HttpMethod.Post, url);
-        {
+        request.Content = content;
-            Content = content
-        };
         using var resp = await http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
     
         if (!resp.IsSuccessStatusCode)

Service/Service.csproj

@@ -5,6 +5,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="JetBrains.Annotations" />
     <PackageReference Include="MailKit" />
     <PackageReference Include="MimeKit" />
     <PackageReference Include="Microsoft.Extensions.Configuration" />

Service/SmartHandleService.cs

@@ -143,7 +143,7 @@ public class SmartHandleService(
             chunkAction(("start", $"开始分类，共 {sampleRecords.Length} 条账单"));
 
             var classifyResults = new List<(string Reason, string Classify, TransactionType Type)>();
-            var sendedIds = new HashSet<long>();
+            var sentIds = new HashSet<long>();
 
             // 将流解析逻辑提取为本地函数以减少嵌套
             void HandleResult(GroupClassifyResult? result)
@@ -154,16 +154,18 @@ public class SmartHandleService(
                 if (group == null) return;
                 foreach (var id in group.Ids)
                 {
-                    if (sendedIds.Add(id))
+                    if (!sentIds.Add(id))
                     {
-                        var resultJson = JsonSerializer.Serialize(new
+                        continue;
-                        {
-                            id,
-                            result.Classify,
-                            result.Type
-                        });
-                        chunkAction(("data", resultJson));
                     }
+
+                    var resultJson = JsonSerializer.Serialize(new
+                    {
+                        id,
+                        result.Classify,
+                        result.Type
+                    });
+                    chunkAction(("data", resultJson));
                 }
             }
 
@@ -193,7 +195,7 @@ public class SmartHandleService(
                         }
                         catch (Exception exArr)
                         {
-                            logger.LogDebug(exArr, "按数组解析AI返回失败，回退到逐对象解析。预览: {Preview}", arrJson?.Length > 200 ? arrJson.Substring(0, 200) + "..." : arrJson);
+                            logger.LogDebug(exArr, "按数组解析AI返回失败，回退到逐对象解析。预览: {Preview}", arrJson.Length > 200 ? arrJson.Substring(0, 200) + "..." : arrJson);
                         }
                     }
                 }
@@ -336,7 +338,7 @@ public class SmartHandleService(
                 {
                     content = $"""
                     <pre style="max-height: 80px; font-size: 8px; overflow-y: auto; padding: 8px; border: 1px solid #3c3c3c">
-                    {System.Net.WebUtility.HtmlEncode(sqlText)}
+                    {WebUtility.HtmlEncode(sqlText)}
                     </pre>
                     """
                 })
@@ -361,7 +363,7 @@ public class SmartHandleService(
             var dataJson = JsonSerializer.Serialize(queryResults, new JsonSerializerOptions
             {
                 WriteIndented = true,
-                Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping
+                Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
             });
 
             var userPromptExtra = await configService.GetConfigByKeyAsync<string>("BillAnalysisPrompt");
@@ -429,7 +431,6 @@ public class SmartHandleService(
     {
         // 获取所有分类
         var categories = await categoryRepository.GetAllAsync();
-        var categoryList = string.Join("、", categories.Select(c => $"{GetTypeName(c.Type)}-{c.Name}"));
 
         // 构建分类信息
         var categoryInfo = new StringBuilder();
@@ -542,13 +543,13 @@ public class SmartHandleService(
 public record GroupClassifyResult
 {
     [JsonPropertyName("reason")]
-    public string Reason { get; set; } = string.Empty;
+    public string Reason { get; init; } = string.Empty;
 
     [JsonPropertyName("classify")]
-    public string? Classify { get; set; }
+    public string? Classify { get; init; }
 
     [JsonPropertyName("type")]
-    public TransactionType Type { get; set; }
+    public TransactionType Type { get; init; }
 }
 
 public record TransactionParseResult(string OccurredAt, string Classify, decimal Amount, string Reason, TransactionType Type);

Service/TextSegmentService.cs

@@ -1,8 +1,7 @@
-namespace Service;
+using JiebaNet.Analyser;
-
 using JiebaNet.Segmenter;
-using JiebaNet.Analyser;
+
-using Microsoft.Extensions.Logging;
+namespace Service;
 
 /// <summary>
 /// 文本分词服务接口
@@ -78,7 +77,7 @@ public class TextSegmentService : ITextSegmentService
     {
         if (string.IsNullOrWhiteSpace(text))
         {
-            return new List<string>();
+            return [];
         }
 
         try
@@ -119,7 +118,7 @@ public class TextSegmentService : ITextSegmentService
         {
             _logger.LogError(ex, "提取关键词失败，文本: {Text}", text);
             // 降级处理：返回原文
-            return new List<string> { text.Length > 10 ? text.Substring(0, 10) : text };
+            return [text.Length > 10 ? text.Substring(0, 10) : text];
         }
     }
 
@@ -127,7 +126,7 @@ public class TextSegmentService : ITextSegmentService
     {
         if (string.IsNullOrWhiteSpace(text))
         {
-            return new List<string>();
+            return [];
         }
 
         try
@@ -146,7 +145,7 @@ public class TextSegmentService : ITextSegmentService
         catch (Exception ex)
         {
             _logger.LogError(ex, "分词失败，文本: {Text}", text);
-            return new List<string> { text };
+            return [text];
         }
     }
 }

Service/TransactionPeriodicService.cs

@@ -144,7 +144,7 @@ public class TransactionPeriodicService(
         var dayOfWeek = (int)today.DayOfWeek; // 0=Sunday, 1=Monday, ..., 6=Saturday
         var executeDays = config.Split(',', StringSplitOptions.RemoveEmptyEntries)
             .Select(d => int.TryParse(d.Trim(), out var day) ? day : -1)
-            .Where(d => d >= 0 && d <= 6)
+            .Where(d => d is >= 0 and <= 6)
             .ToList();
 
         return executeDays.Contains(dayOfWeek);
@@ -160,7 +160,7 @@ public class TransactionPeriodicService(
 
         var executeDays = config.Split(',', StringSplitOptions.RemoveEmptyEntries)
             .Select(d => int.TryParse(d.Trim(), out var day) ? day : -1)
-            .Where(d => d >= 1 && d <= 31)
+            .Where(d => d is >= 1 and <= 31)
             .ToList();
 
         // 如果当前为月末，且配置中有大于当月天数的日期，则也执行
@@ -223,7 +223,7 @@ public class TransactionPeriodicService(
 
         var executeDays = config.Split(',', StringSplitOptions.RemoveEmptyEntries)
             .Select(d => int.TryParse(d.Trim(), out var day) ? day : -1)
-            .Where(d => d >= 0 && d <= 6)
+            .Where(d => d is >= 0 and <= 6)
             .OrderBy(d => d)
             .ToList();
 
@@ -253,7 +253,7 @@ public class TransactionPeriodicService(
 
         var executeDays = config.Split(',', StringSplitOptions.RemoveEmptyEntries)
             .Select(d => int.TryParse(d.Trim(), out var day) ? day : -1)
-            .Where(d => d >= 1 && d <= 31)
+            .Where(d => d is >= 1 and <= 31)
             .OrderBy(d => d)
             .ToList();
 

WebApi.Test/UnitTest1.cs

@@ -0,0 +1,10 @@
+namespace WebApi.Test;
+
+public class UnitTest1
+{
+    [Fact]
+    public void Test1()
+    {
+        
+    }
+}

WebApi.Test/WebApi.Test.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk"/>
+        <PackageReference Include="xunit"/>
+        <PackageReference Include="xunit.runner.visualstudio"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="Xunit"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Service\Service.csproj" />
+    </ItemGroup>
+
+</Project>

WebApi/Controllers/BillImportController.cs

@@ -50,9 +50,6 @@ public class BillImportController(
                 return "文件大小不能超过 10MB".Fail();
             }
 
-            // 生成唯一文件名
-            var fileName = $"{type}_{DateTime.Now:yyyyMMddHHmmss}_{Guid.NewGuid():N}{fileExtension}";
-
             // 保存文件
             var ok = false;
             var message = string.Empty;
@@ -69,6 +66,11 @@ public class BillImportController(
                 }
             }
 
+            if (!ok)
+            {
+                return message.Fail();
+            }
+
             return message.Ok();
         }
         catch (Exception ex)
@@ -77,4 +79,4 @@ public class BillImportController(
             return $"文件上传失败: {ex.Message}".Fail();
         }
     }
-}
+}

WebApi/Controllers/BudgetController.cs

@@ -138,7 +138,7 @@ public class BudgetController(
                 Type = dto.Type,
                 Limit = limit,
                 Category = dto.Category,
-                SelectedCategories = dto.SelectedCategories != null ? string.Join(",", dto.SelectedCategories) : string.Empty,
+                SelectedCategories = string.Join(",", dto.SelectedCategories),
                 StartDate = dto.StartDate ?? DateTime.Now,
                 NoLimit = dto.NoLimit,
                 IsMandatoryExpense = dto.IsMandatoryExpense
@@ -182,7 +182,7 @@ public class BudgetController(
             budget.Type = dto.Type;
             budget.Limit = limit;
             budget.Category = dto.Category;
-            budget.SelectedCategories = dto.SelectedCategories != null ? string.Join(",", dto.SelectedCategories) : string.Empty;
+            budget.SelectedCategories = string.Join(",", dto.SelectedCategories);
             budget.NoLimit = dto.NoLimit;
             budget.IsMandatoryExpense = dto.IsMandatoryExpense;
             if (dto.StartDate.HasValue)

WebApi/Controllers/Dto/BudgetDto.cs

@@ -6,7 +6,7 @@ public class CreateBudgetDto
     public BudgetPeriodType Type { get; set; } = BudgetPeriodType.Month;
     public decimal Limit { get; set; }
     public BudgetCategory Category { get; set; }
-    public string[] SelectedCategories { get; set; } = Array.Empty<string>();
+    public string[] SelectedCategories { get; set; } = [];
     public DateTime? StartDate { get; set; }
     public bool NoLimit { get; set; } = false;
     public bool IsMandatoryExpense { get; set; } = false;

WebApi/Controllers/Dto/EmailMessageDto.cs

@@ -6,25 +6,32 @@
 public class EmailMessageDto
 {
     public long Id { get; set; }
+
     public string Subject { get; set; } = string.Empty;
+
     public string From { get; set; } = string.Empty;
+
     public string Body { get; set; } = string.Empty;
+
     public string HtmlBody { get; set; } = string.Empty;
+
     public DateTime ReceivedDate { get; set; }
+
     public DateTime CreateTime { get; set; }
+
     public DateTime? UpdateTime { get; set; }
-    
+
     /// <summary>
     /// 已解析的账单数量
     /// </summary>
     public int TransactionCount { get; set; }
 
     public string ToName { get; set; } = string.Empty;
-    
+
     /// <summary>
     /// 从实体转换为DTO
     /// </summary>
-    public static EmailMessageDto FromEntity(Entity.EmailMessage entity, int transactionCount = 0)
+    public static EmailMessageDto FromEntity(EmailMessage entity, int transactionCount = 0)
     {
         return new EmailMessageDto
         {
@@ -37,7 +44,7 @@ public class EmailMessageDto
             CreateTime = entity.CreateTime,
             UpdateTime = entity.UpdateTime,
             TransactionCount = transactionCount,
-            ToName = entity.To?.Split('<').FirstOrDefault()?.Trim() ?? "未知"
+            ToName = entity.To.Split('<').FirstOrDefault()?.Trim() ?? "未知"
         };
     }
 }

WebApi/Controllers/Dto/PagedResponse.cs

@@ -2,7 +2,7 @@
 
 public class PagedResponse<T> : BaseResponse<T[]>
 {
-    public long LastId { get; set; } = 0;
+    public long LastId { get; set; }
     
     /// <summary>
     /// 最后一条记录的时间（用于游标分页）

WebApi/Controllers/EmailMessageController.cs

@@ -1,6 +1,6 @@
 using Service.EmailServices;
 
-namespace WebApi.Controllers.EmailMessage;
+namespace WebApi.Controllers;
 
 [ApiController]
 [Route("api/[controller]/[action]")]
@@ -86,10 +86,8 @@ public class EmailMessageController(
             {
                 return BaseResponse.Done();
             }
-            else
+
-            {
+            return "删除邮件失败，邮件不存在".Fail();
-                return "删除邮件失败，邮件不存在".Fail();
-            }
         }
         catch (Exception ex)
         {
@@ -117,10 +115,8 @@ public class EmailMessageController(
             {
                 return BaseResponse.Done();
             }
-            else
+
-            {
+            return "重新分析失败".Fail();
-                return "重新分析失败".Fail();
-            }
         }
         catch (Exception ex)
         {

WebApi/Controllers/JobController.cs

@@ -1,4 +1,5 @@
 using Quartz;
+using Quartz.Impl.Matchers;
 
 namespace WebApi.Controllers;
 
@@ -12,7 +13,7 @@ public class JobController(ISchedulerFactory schedulerFactory, ILogger<JobContro
         try
         {
             var scheduler = await schedulerFactory.GetScheduler();
-            var jobKeys = await scheduler.GetJobKeys(Quartz.Impl.Matchers.GroupMatcher<JobKey>.AnyGroup());
+            var jobKeys = await scheduler.GetJobKeys(GroupMatcher<JobKey>.AnyGroup());
             var jobStatuses = new List<JobStatus>();
 
             foreach (var jobKey in jobKeys)
@@ -101,9 +102,13 @@ public class JobController(ISchedulerFactory schedulerFactory, ILogger<JobContro
     public class JobStatus
     {
         public string Name { get; set; } = string.Empty;
+
         public string JobDescription { get; set; } = string.Empty;
+
         public string TriggerDescription { get; set; } = string.Empty;
+
         public string Status { get; set; } = string.Empty;
+
         public string NextRunTime { get; set; } = string.Empty;
     }
 

WebApi/Controllers/LogController.cs

@@ -1,4 +1,6 @@
-namespace WebApi.Controllers;
+using System.Text.RegularExpressions;
+
+namespace WebApi.Controllers;
 
 [ApiController]
 [Route("api/[controller]/[action]")]
@@ -102,7 +104,7 @@ public class LogController(ILogger<LogController> logger) : ControllerBase
         var currentLog = new StringBuilder();
 
         // 日志行开始的正则表达式
-        var logStartPattern = new System.Text.RegularExpressions.Regex(
+        var logStartPattern = new Regex(
             @"^\[\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{3} [+-]\d{2}:\d{2}\]"
         );
 
@@ -151,10 +153,10 @@ public class LogController(ILogger<LogController> logger) : ControllerBase
             // 日志格式示例: [2025-12-29 16:38:45.730 +08:00] [INF] Message here
             // 使用正则表达式解析
             // 使用 Singleline 模式使 '.' 可以匹配换行，这样 multi-line 消息可以被完整捕获。
-            var match = System.Text.RegularExpressions.Regex.Match(
+            var match = Regex.Match(
                 line,
                 @"^\[(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{3} [+-]\d{2}:\d{2})\] \[([A-Z]{2,5})\] ([\s\S]*)$",
-                System.Text.RegularExpressions.RegexOptions.Singleline
+                RegexOptions.Singleline
             );
 
             if (match.Success)

WebApi/Controllers/NotificationController.cs

@@ -4,7 +4,7 @@
 [Route("api/[controller]/[action]")]
 public class NotificationController(INotificationService notificationService) : ControllerBase
 {
-    [HttpGet()]
+    [HttpGet]
     public async Task<BaseResponse<string>> GetVapidPublicKey()
     {
         try

WebApi/Controllers/TransactionCategoryController.cs

@@ -85,10 +85,8 @@ public class TransactionCategoryController(
             {
                 return category.Id.Ok();
             }
-            else
+
-            {
+            return "创建分类失败".Fail<long>();
-                return "创建分类失败".Fail<long>();
-            }
         }
         catch (Exception ex)
         {
@@ -133,10 +131,8 @@ public class TransactionCategoryController(
             {
                 return "更新分类成功".Ok();
             }
-            else
+
-            {
+            return "更新分类失败".Fail();
-                return "更新分类失败".Fail();
-            }
         }
         catch (Exception ex)
         {
@@ -165,10 +161,8 @@ public class TransactionCategoryController(
             {
                 return BaseResponse.Done();
             }
-            else
+
-            {
+            return "删除分类失败，分类不存在".Fail();
-                return "删除分类失败，分类不存在".Fail();
-            }
         }
         catch (Exception ex)
         {
@@ -196,10 +190,8 @@ public class TransactionCategoryController(
             {
                 return categories.Count.Ok();
             }
-            else
+
-            {
+            return "批量创建分类失败".Fail<int>();
-                return "批量创建分类失败".Fail<int>();
-            }
         }
         catch (Exception ex)
         {

WebApi/Controllers/TransactionPeriodicController.cs

@@ -1,7 +1,5 @@
 namespace WebApi.Controllers;
 
-using Repository;
-
 /// <summary>
 /// 周期性账单控制器
 /// </summary>

WebApi/Controllers/TransactionRecordController.cs

@@ -1,8 +1,4 @@
-namespace WebApi.Controllers;
+namespace WebApi.Controllers;
-
-using System.Text.Json;
-using System.Text.Json.Nodes;
-using Repository;
 
 [ApiController]
 [Route("api/[controller]/[action]")]
@@ -183,10 +179,8 @@ public class TransactionRecordController(
             {
                 return BaseResponse.Done();
             }
-            else
+
-            {
+            return "创建交易记录失败".Fail();
-                return "创建交易记录失败".Fail();
-            }
         }
         catch (Exception ex)
         {
@@ -225,10 +219,8 @@ public class TransactionRecordController(
             {
                 return BaseResponse.Done();
             }
-            else
+
-            {
+            return "更新交易记录失败".Fail();
-                return "更新交易记录失败".Fail();
-            }
         }
         catch (Exception ex)
         {
@@ -250,10 +242,8 @@ public class TransactionRecordController(
             {
                 return BaseResponse.Done();
             }
-            else
+
-            {
+            return "删除交易记录失败，记录不存在".Fail();
-                return "删除交易记录失败，记录不存在".Fail();
-            }
         }
         catch (Exception ex)
         {
@@ -278,9 +268,9 @@ public class TransactionRecordController(
 
             var statistics = await transactionRepository.GetDailyStatisticsAsync(year, month, savingClassify);
             var result = statistics.Select(s => new DailyStatisticsDto(
-                s.Key, 
+                s.Key,
-                s.Value.count, 
+                s.Value.count,
-                s.Value.expense, 
+                s.Value.expense,
                 s.Value.income,
                 s.Value.saving
             )).ToList();
@@ -313,13 +303,13 @@ public class TransactionRecordController(
             var savingClassify = await configService.GetConfigByKeyAsync<string>("SavingsCategories");
 
             var statistics = await transactionRepository.GetDailyStatisticsByRangeAsync(
-                effectiveStartDate, 
+                effectiveStartDate,
                 effectiveEndDate,
                 savingClassify);
             var result = statistics.Select(s => new DailyStatisticsDto(
-                s.Key, 
+                s.Key,
-                s.Value.count, 
+                s.Value.count,
-                s.Value.expense, 
+                s.Value.expense,
                 s.Value.income,
                 s.Value.income - s.Value.expense
             )).ToList();
@@ -393,7 +383,8 @@ public class TransactionRecordController(
         }
         catch (Exception ex)
         {
-            logger.LogError(ex, "获取趋势统计数据失败，开始年份: {Year}, 开始月份: {Month}, 月份数: {Count}", startYear, startMonth, monthCount);
+            logger.LogError(ex, "获取趋势统计数据失败，开始年份: {Year}, 开始月份: {Month}, 月份数: {Count}", startYear, startMonth,
+                monthCount);
             return $"获取趋势统计数据失败: {ex.Message}".Fail<List<TrendStatistics>>();
         }
     }
@@ -413,9 +404,16 @@ public class TransactionRecordController(
             return;
         }
 
-        await smartHandleService.AnalyzeBillAsync(request.UserInput, async (chunk) =>
+        await smartHandleService.AnalyzeBillAsync(request.UserInput, async void (chunk) =>
         {
-            await WriteEventAsync(chunk);
+            try
+            {
+                await WriteEventAsync(chunk);
+            }
+            catch (Exception e)
+            {
+                logger.LogError(e, "流式写入账单分析结果失败");
+            }
         });
     }
 
@@ -500,11 +498,18 @@ public class TransactionRecordController(
             return;
         }
 
-        await smartHandleService.SmartClassifyAsync(request.TransactionIds.ToArray(), async (chunk) =>
+        await smartHandleService.SmartClassifyAsync(request.TransactionIds.ToArray(), async void (chunk) =>
         {
-            var (eventType, content) = chunk;
+            try
-            await TrySetUnconfirmedAsync(eventType, content);
+            {
-            await WriteEventAsync(eventType, content);
+                var (eventType, content) = chunk;
+                await TrySetUnconfirmedAsync(eventType, content);
+                await WriteEventAsync(eventType, content);
+            }
+            catch (Exception e)
+            {
+                logger.LogError(e, "流式写入智能分类结果失败");
+            }
         });
 
         await Response.Body.FlushAsync();
@@ -524,7 +529,7 @@ public class TransactionRecordController(
             var classify = jsonObject?["Classify"]?.GetValue<string>() ?? string.Empty;
             var typeValue = jsonObject?["Type"]?.GetValue<int>() ?? -1;
 
-            if(id == 0 || typeValue == -1 || string.IsNullOrEmpty(classify))
+            if (id == 0 || typeValue == -1 || string.IsNullOrEmpty(classify))
             {
                 logger.LogWarning("解析智能分类结果时，发现无效数据，内容: {Content}", content);
                 return;
@@ -550,7 +555,6 @@ public class TransactionRecordController(
         catch (Exception ex)
         {
             logger.LogError(ex, "解析智能分类结果失败，内容: {Content}", content);
-            return;
         }
     }
 
@@ -576,14 +580,17 @@ public class TransactionRecordController(
                     {
                         record.Type = item.Type.Value;
                     }
-                    if(!string.IsNullOrEmpty(record.Classify))
+
+                    if (!string.IsNullOrEmpty(record.Classify))
                     {
                         record.UnconfirmedClassify = null;
                     }
-                    if(record.Type == item.Type)
+
+                    if (record.Type == item.Type)
                     {
                         record.UnconfirmedType = TransactionType.None;
                     }
+
                     var success = await transactionRepository.UpdateAsync(record);
                     if (success)
                         successCount++;
@@ -811,7 +818,6 @@ public record OffsetTransactionDto(
     long Id2
 );
 
-
 public record ParseOneLineRequestDto(
     string Text
 );

WebApi/Expand.cs

@@ -1,4 +1,5 @@
 using Quartz;
+using Service.Jobs;
 
 namespace WebApi;
 
@@ -13,7 +14,7 @@ public static class Expand
 
             // 配置邮件同步任务 - 每10分钟执行一次
             var emailJobKey = new JobKey("EmailSyncJob");
-            q.AddJob<Service.Jobs.EmailSyncJob>(opts => opts
+            q.AddJob<EmailSyncJob>(opts => opts
                 .WithIdentity(emailJobKey)
                 .WithDescription("邮件同步任务"));
             q.AddTrigger(opts => opts
@@ -24,7 +25,7 @@ public static class Expand
 
             // 配置周期性账单任务 - 每天早上6点执行
             var periodicBillJobKey = new JobKey("PeriodicBillJob");
-            q.AddJob<Service.Jobs.PeriodicBillJob>(opts => opts
+            q.AddJob<PeriodicBillJob>(opts => opts
                 .WithIdentity(periodicBillJobKey)
                 .WithDescription("周期性账单任务"));
             q.AddTrigger(opts => opts
@@ -35,7 +36,7 @@ public static class Expand
 
             // 配置预算归档任务 - 每个月1号晚11点执行
             var budgetArchiveJobKey = new JobKey("BudgetArchiveJob");
-            q.AddJob<Service.Jobs.BudgetArchiveJob>(opts => opts
+            q.AddJob<BudgetArchiveJob>(opts => opts
                 .WithIdentity(budgetArchiveJobKey)
                 .WithDescription("预算归档任务"));
             q.AddTrigger(opts => opts

WebApi/GlobalUsings.cs

@@ -5,3 +5,5 @@ global using WebApi.Controllers.Dto;
 global using Repository;
 global using Entity;
 global using System.Text;
+global using System.Text.Json;
+global using System.Text.Json.Nodes;

WebApi/Program.cs

@@ -22,21 +22,21 @@ builder.Host.UseSerilog((context, loggerConfig) =>
 });
 
 // Add services to the container.
-builder.Services.AddControllers(options =>
+builder.Services.AddControllers(mvcOptions =>
 {
     var policy = new AuthorizationPolicyBuilder(JwtBearerDefaults.AuthenticationScheme)
         .RequireAuthenticatedUser()
         .Build();
 
-    options.Filters.Add(new AuthorizeFilter(policy));
+    mvcOptions.Filters.Add(new AuthorizeFilter(policy));
 });
 builder.Services.AddOpenApi();
 builder.Services.AddHttpClient();
 
 // 配置 CORS
-builder.Services.AddCors(options =>
+builder.Services.AddCors(corsOptions =>
 {
-    options.AddDefaultPolicy(policy =>
+    corsOptions.AddDefaultPolicy(policy =>
     {
         policy.WithOrigins("http://localhost:5173")
               .AllowAnyHeader()
@@ -46,7 +46,7 @@ builder.Services.AddCors(options =>
 
 // 绑定配置
 builder.Services.Configure<EmailSettings>(builder.Configuration.GetSection("EmailSettings"));
-builder.Services.Configure<AISettings>(builder.Configuration.GetSection("OpenAI"));
+builder.Services.Configure<AiSettings>(builder.Configuration.GetSection("OpenAI"));
 builder.Services.Configure<JwtSettings>(builder.Configuration.GetSection("JwtSettings"));
 builder.Services.Configure<AuthSettings>(builder.Configuration.GetSection("AuthSettings"));
 
@@ -55,14 +55,14 @@ var jwtSettings = builder.Configuration.GetSection("JwtSettings");
 var secretKey = jwtSettings["SecretKey"]!;
 var key = Encoding.UTF8.GetBytes(secretKey);
 
-builder.Services.AddAuthentication(options =>
+builder.Services.AddAuthentication(authenticationOptions =>
 {
-    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+    authenticationOptions.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
-    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+    authenticationOptions.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
 })
-.AddJwtBearer(options =>
+.AddJwtBearer(jwtBearerOptions =>
 {
-    options.TokenValidationParameters = new TokenValidationParameters
+    jwtBearerOptions.TokenValidationParameters = new TokenValidationParameters
     {
         ValidateIssuer = true,
         ValidateAudience = true,
@@ -73,7 +73,7 @@ builder.Services.AddAuthentication(options =>
         IssuerSigningKey = new SymmetricSecurityKey(key),
         ClockSkew = TimeSpan.Zero
     };
-    options.Events = new JwtBearerEvents
+    jwtBearerOptions.Events = new JwtBearerEvents
     {
         OnChallenge = async context =>
         {

qodana.yaml

@@ -0,0 +1,46 @@
+#-------------------------------------------------------------------------------#
+#               Qodana analysis is configured by qodana.yaml file               #
+#             https://www.jetbrains.com/help/qodana/qodana-yaml.html            #
+#-------------------------------------------------------------------------------#
+
+#################################################################################
+#              WARNING: Do not store sensitive information in this file,        #
+#               as its contents will be included in the Qodana report.          #
+#################################################################################
+version: "1.0"
+
+#Specify IDE code to run analysis without container (Applied in CI/CD pipeline)
+ide: QDNET
+
+#Specify inspection profile for code analysis
+profile:
+  name: qodana.starter
+
+#Enable inspections
+#include:
+#  - name: <SomeEnabledInspectionId>
+
+#Disable inspections
+#exclude:
+#  - name: <SomeDisabledInspectionId>
+#    paths:
+#      - <path/where/not/run/inspection>
+
+#Execute shell command before Qodana execution (Applied in CI/CD pipeline)
+#bootstrap: sh ./prepare-qodana.sh
+
+#Install IDE plugins before Qodana execution (Applied in CI/CD pipeline)
+#plugins:
+#  - id: <plugin.id> #(plugin id can be found at https://plugins.jetbrains.com)
+
+# Quality gate. Will fail the CI/CD pipeline if any condition is not met
+# severityThresholds - configures maximum thresholds for different problem severities
+# testCoverageThresholds - configures minimum code coverage on a whole project and newly added code
+# Code Coverage is available in Ultimate and Ultimate Plus plans
+#failureConditions:
+#  severityThresholds:
+#    any: 15
+#    critical: 5
+#  testCoverageThresholds:
+#    fresh: 70
+#    total: 50