diff --git a/Service/BudgetService.cs b/Service/BudgetService.cs
index 43c8a42..6a162f0 100644
--- a/Service/BudgetService.cs
+++ b/Service/BudgetService.cs
@@ -12,6 +12,11 @@ public interface IBudgetService
     /// 获取指定分类的统计信息（月度和年度）
     /// </summary>
     Task<BudgetCategoryStats> GetCategoryStatsAsync(BudgetCategory category, DateTime? referenceDate = null);
+
+    /// <summary>
+    /// 获取未被预算覆盖的分类统计信息
+    /// </summary>
+    Task<List<UncoveredCategoryDetail>> GetUncoveredCategoriesAsync(BudgetCategory category, DateTime? referenceDate = null);
 }
 
 public class BudgetService(
@@ -146,6 +151,41 @@ public class BudgetService(
         return result;
     }
 
+    public async Task<List<UncoveredCategoryDetail>> GetUncoveredCategoriesAsync(BudgetCategory category, DateTime? referenceDate = null)
+    {
+        var date = referenceDate ?? DateTime.Now;
+        var transactionType = category switch
+        {
+            BudgetCategory.Expense => TransactionType.Expense,
+            BudgetCategory.Income => TransactionType.Income,
+            _ => TransactionType.None
+        };
+
+        if (transactionType == TransactionType.None) return new List<UncoveredCategoryDetail>();
+
+        // 1. 获取所有预算
+        var budgets = (await budgetRepository.GetAllAsync()).ToList();
+        var coveredCategories = budgets
+            .Where(b => b.Category == category)
+            .SelectMany(b => b.SelectedCategories.Split(',', StringSplitOptions.RemoveEmptyEntries))
+            .ToHashSet();
+
+        // 2. 获取分类统计
+        var stats = await transactionRecordRepository.GetCategoryStatisticsAsync(date.Year, date.Month, transactionType);
+
+        // 3. 过滤未覆盖的
+        return stats
+            .Where(s => !coveredCategories.Contains(s.Classify))
+            .Select(s => new UncoveredCategoryDetail
+            {
+                Category = s.Classify,
+                TransactionCount = s.Count,
+                TotalAmount = s.Amount
+            })
+            .OrderByDescending(x => x.TotalAmount)
+            .ToList();
+    }
+
     private async Task<BudgetStatsDto> CalculateCategoryStatsAsync(
         List<BudgetRecord> budgets,
         BudgetCategory category,
@@ -673,4 +713,10 @@ public class BudgetCategoryStats
     /// 年度统计
     /// </summary>
     public BudgetStatsDto Year { get; set; } = new();
-}
\ No newline at end of file
+}
+public class UncoveredCategoryDetail
+{
+    public string Category { get; set; } = string.Empty;
+    public int TransactionCount { get; set; }
+    public decimal TotalAmount { get; set; }
+}
diff --git a/Web/src/api/budget.js b/Web/src/api/budget.js
index ebbaae2..0b49aba 100644
--- a/Web/src/api/budget.js
+++ b/Web/src/api/budget.js
@@ -72,7 +72,18 @@ export function getCategoryStats(category, referenceDate) {
     params: { category, referenceDate }
   })
 }
-
+/**
+ * 获取未被预算覆盖的分类统计信息
+ * @param {number} category 预算分类
+ * @param {string} referenceDate 参考日期
+ */
+export function getUncoveredCategories(category, referenceDate) {
+  return request({
+    url: '/Budget/GetUncoveredCategories',
+    method: 'get',
+    params: { category, referenceDate }
+  })
+}
 /**
  * 归档预算
  * @param {number} year 年份
diff --git a/Web/src/views/BudgetView.vue b/Web/src/views/BudgetView.vue
index d6934ee..5f935c9 100644
--- a/Web/src/views/BudgetView.vue
+++ b/Web/src/views/BudgetView.vue
@@ -2,7 +2,15 @@
   <div class="page-container-flex">
     <van-nav-bar title="预算管理" placeholder>
       <template #right>
-        <van-icon
+        <van-icon 
+          v-if="activeTab !== BudgetCategory.Savings && uncoveredCategories.length > 0"
+          name="warning-o" 
+          size="20" 
+          color="#ee0a24"
+          style="margin-right: 12px"
+          @click="showUncoveredDetails = true" 
+        />
+        <van-icon 
           v-if="activeTab !== BudgetCategory.Savings"
           name="plus" 
           size="20" 
@@ -167,23 +175,53 @@
       ref="savingsConfigRef"
       @success="fetchBudgetList"
     />
+
+    <PopupContainer
+      v-model="showUncoveredDetails"
+      title="未覆盖预算的分类"
+      :subtitle="`本月共 <b style='color:var(--van-primary-color)'>${uncoveredCategories.length}</b> 个分类未设置预算`"
+      height="60%"
+    >
+      <div class="uncovered-list">
+        <div v-for="item in uncoveredCategories" :key="item.category" class="uncovered-item">
+          <div class="item-left">
+            <div class="category-name">{{ item.category }}</div>
+            <div class="transaction-count">{{ item.transactionCount }} 笔记录</div>
+          </div>
+          <div class="item-right">
+            <div class="item-amount" :class="activeTab === BudgetCategory.Expense ? 'expense' : 'income'">
+              ¥{{ formatMoney(item.totalAmount) }}
+            </div>
+          </div>
+        </div>
+      </div>
+      
+      <template #footer>
+        <van-button block round type="primary" @click="showUncoveredDetails = false">
+          我知道了
+        </van-button>
+      </template>
+    </PopupContainer>
   </div>
 </template>
 
 <script setup>
 import { ref, computed, onMounted, watch } from 'vue'
 import { showToast, showConfirmDialog } from 'vant'
-import { getBudgetList, deleteBudget, getBudgetStatistics, getCategoryStats } from '@/api/budget'
+import { getBudgetList, deleteBudget, getBudgetStatistics, getCategoryStats, getUncoveredCategories } from '@/api/budget'
 import { BudgetPeriodType, BudgetCategory } from '@/constants/enums'
 import BudgetCard from '@/components/Budget/BudgetCard.vue'
 import BudgetSummary from '@/components/Budget/BudgetSummary.vue'
 import BudgetEditPopup from '@/components/Budget/BudgetEditPopup.vue'
 import SavingsConfigPopup from '@/components/Budget/SavingsConfigPopup.vue'
+import PopupContainer from '@/components/PopupContainer.vue'
 
 const activeTab = ref(BudgetCategory.Expense)
 const budgetEditRef = ref(null)
 const savingsConfigRef = ref(null)
 const isRefreshing = ref(false)
+const showUncoveredDetails = ref(false)
+const uncoveredCategories = ref([])
 
 const expenseBudgets = ref([])
 const incomeBudgets = ref([])
@@ -199,7 +237,7 @@ const activeTabTitle = computed(() => {
 })
 
 watch(activeTab, async () => {
-  await fetchCategoryStats()
+  await Promise.all([fetchCategoryStats(), fetchUncoveredCategories()])
 })
 
 const getValueClass = (rate) => {
@@ -232,7 +270,7 @@ const fetchBudgetList = async () => {
 
 const onRefresh = async () => {
   try {
-    await Promise.all([fetchBudgetList(), fetchCategoryStats()])
+    await Promise.all([fetchBudgetList(), fetchCategoryStats(), fetchUncoveredCategories()])
   } catch (err) {
     console.error('刷新失败', err)
   } finally {
@@ -266,10 +304,28 @@ const fetchCategoryStats = async () => {
   }
 }
 
+const fetchUncoveredCategories = async () => {
+  if (activeTab.value === BudgetCategory.Savings) {
+    uncoveredCategories.value = []
+    return
+  }
+  try {
+    const res = await getUncoveredCategories(activeTab.value)
+    if (res.success) {
+      uncoveredCategories.value = res.data || []
+    }
+  } catch (err) {
+    console.error('获取未覆盖分类失败', err)
+  }
+}
+
 onMounted(async () => {
   try {
-    await fetchBudgetList()
-    await fetchCategoryStats()
+    await Promise.all([
+      fetchBudgetList(),
+      fetchCategoryStats(),
+      fetchUncoveredCategories()
+    ])
   } catch (err) {
     console.error('获取初始化数据失败', err)
   }
@@ -387,4 +443,46 @@ const handleDelete = (budget) => {
 :deep(.van-tabs__nav--card) {
   margin: 0 12px;
 }
+
+.uncovered-list {
+  padding: 12px 16px;
+}
+
+.uncovered-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16px;
+  background-color: var(--van-background-2, #ffffff);
+  border-radius: 12px;
+  margin-bottom: 12px;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
+}
+
+.item-left {
+  display: flex;
+  flex-direction: column;
+}
+
+.category-name {
+  font-size: 16px;
+  font-weight: 500;
+  color: var(--van-text-color, #323233);
+  margin-bottom: 4px;
+}
+
+.transaction-count {
+  font-size: 12px;
+  color: var(--van-text-color-2, #969799);
+}
+
+.item-right {
+  text-align: right;
+}
+
+.item-amount {
+  font-size: 18px;
+  font-weight: 600;
+  font-family: DIN Alternate, system-ui;
+}
 </style>
diff --git a/WebApi/Controllers/BudgetController.cs b/WebApi/Controllers/BudgetController.cs
index 810bf50..a2bb6e6 100644
--- a/WebApi/Controllers/BudgetController.cs
+++ b/WebApi/Controllers/BudgetController.cs
@@ -78,6 +78,24 @@ public class BudgetController(
         }
     }
 
+    /// <summary>
+    /// 获取未被预算覆盖的分类统计信息
+    /// </summary>
+    [HttpGet]
+    public async Task<BaseResponse<List<UncoveredCategoryDetail>>> GetUncoveredCategoriesAsync([FromQuery] BudgetCategory category, [FromQuery] DateTime? referenceDate = null)
+    {
+        try
+        {
+            var result = await budgetService.GetUncoveredCategoriesAsync(category, referenceDate);
+            return result.Ok();
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "获取未覆盖分类统计失败, Category: {Category}", category);
+            return $"获取未覆盖分类统计失败: {ex.Message}".Fail<List<UncoveredCategoryDetail>>();
+        }
+    }
+
     /// <summary>
     /// 删除预算
     /// </summary>