diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 78974c1..b68132e 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -3936,8 +3936,18 @@ const loadDashboardStats = async () => {
     const params: { month?: string; deptId?: number } = {}
     if (month) params.month = month
     // 获取有效的部门ID（切换的部门或用户自己的部门）
-    const effectiveDept = effectiveDeptId.value
-    console.log('loadDashboardStats - userDeptId:', userDeptId.value, 'currentDeptView:', currentDeptView.value, 'effectiveDept:', effectiveDept)
+    let effectiveDept = effectiveDeptId.value
+    // 如果 effectiveDeptId 为空，尝试从 localStorage 获取
+    if (!effectiveDept) {
+      const userStr = localStorage.getItem('userInfo')
+      if (userStr) {
+        try {
+          const user = JSON.parse(userStr)
+          effectiveDept = user.deptId
+        } catch (e) { /* ignore */ }
+      }
+    }
+    console.log('loadDashboardStats - effectiveDept:', effectiveDept, 'userDeptId:', userDeptId.value, 'currentDeptView:', currentDeptView.value)
     if (effectiveDept) {
       params.deptId = effectiveDept
     }