diff --git a/Entity/BudgetRecord.cs b/Entity/BudgetRecord.cs
index b71fea5..d7289e0 100644
--- a/Entity/BudgetRecord.cs
+++ b/Entity/BudgetRecord.cs
@@ -39,11 +39,6 @@ public class BudgetRecord : BaseEntity
     /// 开始日期
     /// </summary>
     public DateTime StartDate { get; set; } = DateTime.Now;
-
-    /// <summary>
-    /// 上次同步时间
-    /// </summary>
-    public DateTime? LastSync { get; set; }
 }
 
 public enum BudgetPeriodType
diff --git a/Web/src/api/budget.js b/Web/src/api/budget.js
index 21920ab..b9ccf5a 100644
--- a/Web/src/api/budget.js
+++ b/Web/src/api/budget.js
@@ -60,15 +60,3 @@ export function toggleStopBudget(id) {
   })
 }
 
-/**
- * 同步预算进度
- * @param {number} id 预算ID
- * @param {string} referenceDate 参考日期 (可选)
- */
-export function syncBudget(id, referenceDate) {
-  return request({
-    url: '/Budget/Sync',
-    method: 'post',
-    params: { id, referenceDate }
-  })
-}
diff --git a/Web/src/views/BudgetView.vue b/Web/src/views/BudgetView.vue
index f697d75..822901c 100644
--- a/Web/src/views/BudgetView.vue
+++ b/Web/src/views/BudgetView.vue
@@ -46,7 +46,6 @@
                       <van-tag v-else type="success" size="small" plain>进行中</van-tag>
                     </div>
                     <div class="header-actions">
-                      <van-button icon="replay" size="mini" plain :loading="budget.syncing" @click="handleSync(budget)" />
                       <van-button :icon="budget.isStopped ? 'play' : 'pause'" size="mini" plain @click="handleToggleStop(budget)" />
                     </div>
                   </div>
@@ -91,7 +90,6 @@
                       <span class="period-text">{{ budget.period }}</span>
                       <van-icon name="arrow" class="nav-icon" @click="handleSwitchPeriod(budget, 1)" />
                     </div>
-                    <span class="sync-time">上次同步: {{ budget.lastSync }}</span>
                   </div>
                 </div>
                 <template #right>
@@ -140,7 +138,6 @@
                       <van-tag v-else type="success" size="small" plain>进行中</van-tag>
                     </div>
                     <div class="header-actions">
-                      <van-button icon="replay" size="mini" plain round :loading="budget.syncing" @click="handleSync(budget)" />
                       <van-button :icon="budget.isStopped ? 'play' : 'pause'" size="mini" plain round @click="handleToggleStop(budget)" />
                     </div>
                   </div>
@@ -185,7 +182,6 @@
                       <span class="period-text">{{ budget.period }}</span>
                       <van-icon name="arrow" class="nav-icon" @click="handleSwitchPeriod(budget, 1)" />
                     </div>
-                    <span class="sync-time">上次同步: {{ budget.lastSync }}</span>
                   </div>
                 </div>
                 <template #right>
@@ -234,7 +230,6 @@
                       <van-tag v-else type="success" size="small" plain>积累中</van-tag>
                     </div>
                     <div class="header-actions">
-                      <van-button icon="replay" size="mini" plain round :loading="budget.syncing" @click="handleSync(budget)" />
                       <van-button :icon="budget.isStopped ? 'play' : 'pause'" size="mini" plain round @click="handleToggleStop(budget)" />
                     </div>
                   </div>
@@ -281,7 +276,6 @@
                       </span>
                       <van-icon name="arrow" class="nav-icon" @click="handleSwitchPeriod(budget, 1)" />
                     </div>
-                    <span class="sync-time">上次同步: {{ budget.lastSync }}</span>
                   </div>
                 </div>
                 <template #right>
@@ -388,7 +382,7 @@
 import { ref, reactive, computed, onMounted, watch } from 'vue'
 import { showToast, showConfirmDialog } from 'vant'
 import { getCategoryList } from '@/api/transactionCategory'
-import { getBudgetList, createBudget, deleteBudget, toggleStopBudget, syncBudget, getBudgetStatistics } from '@/api/budget'
+import { getBudgetList, createBudget, deleteBudget, toggleStopBudget, getBudgetStatistics } from '@/api/budget'
 import { BudgetPeriodType, BudgetCategory } from '@/constants/enums'
 import PopupContainer from '@/components/PopupContainer.vue'
 
@@ -592,23 +586,6 @@ const handleDelete = (budget) => {
   }).catch(() => {})
 }
 
-const handleSync = async (budget) => {
-  budget.syncing = true
-  try {
-    const refDate = refDateMap[budget.id] ? refDateMap[budget.id].toISOString() : null
-    const res = await syncBudget(budget.id, refDate)
-    if (res.success) {
-      showToast('同步成功')
-      Object.assign(budget, res.data)
-    }
-  } catch (err) {
-    showToast('同步失败')
-    console.error('同步预算失败', err)
-  } finally {
-    budget.syncing = false
-  }
-}
-
 const handleToggleStop = async (budget) => {
   try {
     const res = await toggleStopBudget(budget.id)
diff --git a/WebApi/Controllers/BudgetController.cs b/WebApi/Controllers/BudgetController.cs
index f0da66d..ce07311 100644
--- a/WebApi/Controllers/BudgetController.cs
+++ b/WebApi/Controllers/BudgetController.cs
@@ -68,8 +68,7 @@ public class BudgetController(
                 Limit = dto.Limit,
                 Category = dto.Category,
                 SelectedCategories = dto.SelectedCategories != null ? string.Join(",", dto.SelectedCategories) : string.Empty,
-                StartDate = dto.StartDate ?? DateTime.Now,
-                LastSync = DateTime.Now
+                StartDate = dto.StartDate ?? DateTime.Now
             };
 
             var success = await budgetService.AddAsync(budget);
@@ -122,30 +121,4 @@ public class BudgetController(
         }
     }
 
-    /// <summary>
-    /// 同步预算数据
-    /// </summary>
-    [HttpPost]
-    public async Task<BaseResponse<BudgetDto>> SyncAsync([FromQuery] long id, [FromQuery] DateTime? referenceDate = null)
-    {
-        try
-        {
-            var budget = await budgetService.GetByIdAsync(id);
-            if (budget == null)
-            {
-                return "预算不存在".Fail<BudgetDto>();
-            }
-
-            budget.LastSync = DateTime.Now;
-            await budgetService.UpdateAsync(budget);
-
-            var currentAmount = await budgetService.CalculateCurrentAmountAsync(budget, referenceDate);
-            return BudgetDto.FromEntity(budget, currentAmount, referenceDate).Ok();
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "同步预算失败, Id: {Id}", id);
-            return $"同步失败: {ex.Message}".Fail<BudgetDto>();
-        }
-    }
 }
diff --git a/WebApi/Controllers/Dto/BudgetDto.cs b/WebApi/Controllers/Dto/BudgetDto.cs
index 552121a..e7dc8fb 100644
--- a/WebApi/Controllers/Dto/BudgetDto.cs
+++ b/WebApi/Controllers/Dto/BudgetDto.cs
@@ -12,7 +12,6 @@ public class BudgetDto
     public bool IsStopped { get; set; }
     public string StartDate { get; set; } = string.Empty;
     public string Period { get; set; } = string.Empty;
-    public string LastSync { get; set; } = string.Empty;
 
     public static BudgetDto FromEntity(BudgetRecord entity, decimal currentAmount = 0, DateTime? referenceDate = null)
     {
@@ -32,8 +31,7 @@ public class BudgetDto
                 : entity.SelectedCategories.Split(','),
             IsStopped = entity.IsStopped,
             StartDate = entity.StartDate.ToString("yyyy-MM-dd"),
-            Period = entity.Type == BudgetPeriodType.Longterm ? "长期" : $"{start:yyyy-MM-dd} ~ {end:yyyy-MM-dd}",
-            LastSync = entity.LastSync?.ToString("yyyy-MM-dd HH:mm") ?? "未同步"
+            Period = entity.Type == BudgetPeriodType.Longterm ? "长期" : $"{start:yyyy-MM-dd} ~ {end:yyyy-MM-dd}"
         };
     }
 }