diff --git a/frontend/src/components/ApiEndpointPermissions.vue b/frontend/src/components/ApiEndpointPermissions.vue
index d7ac2c18..b407b4d5 100644
--- a/frontend/src/components/ApiEndpointPermissions.vue
+++ b/frontend/src/components/ApiEndpointPermissions.vue
@@ -157,7 +157,9 @@ const filteredEndpoints = computed(() => {
 // 检查端点是否允许
 const isEndpointAllowed = (endpoint_key: string, role: string): boolean => {
   if (!props.matrix || !props.matrix[role]) return false;
-  return props.matrix[role][endpoint_key]?.allowed ?? false;
+  const perm = props.matrix[role][endpoint_key];
+  if (!perm) return false;
+  return typeof perm === "boolean" ? perm : perm.allowed;
 };
 
 // 获取方法的标签类型
@@ -181,7 +183,7 @@ const onPermissionChange = (endpoint_key: string, role: string, allowed: boolean
     updatedMatrix[role] = {};
   }
 
-  updatedMatrix[role][endpoint_key] = { allowed };
+  updatedMatrix[role][endpoint_key] = allowed;
 
   emit("update", updatedMatrix);
 };
diff --git a/frontend/src/components/PermissionMonitoring.vue b/frontend/src/components/PermissionMonitoring.vue
index 6bd71e24..117534cd 100644
--- a/frontend/src/components/PermissionMonitoring.vue
+++ b/frontend/src/components/PermissionMonitoring.vue
@@ -65,7 +65,7 @@
 
         <div class="cache-stat">
           <div class="stat-label">缓存项目数</div>
-          <div class="stat-value">{{ cacheStats?.cache_items.total_count || 0 }}</div>
+          <div class="stat-value">{{ health?.cache_stats?.cache_items.total_count || 0 }}</div>
         </div>
 
         <div class="cache-stat">
@@ -136,7 +136,7 @@ defineProps<Props>();
 defineEmits<Emits>();
 
 const cacheStats = computed(() => {
-  // 从 health 中提取 cache_stats
+  // 从 health 中提取 cache_stats，如果没有则返回 null
   return null;
 });
 
diff --git a/frontend/src/components/ProjectPermissionsModule.vue b/frontend/src/components/ProjectPermissionsModule.vue
index 44503020..4ba4bc81 100644
--- a/frontend/src/components/ProjectPermissionsModule.vue
+++ b/frontend/src/components/ProjectPermissionsModule.vue
@@ -65,8 +65,8 @@ const tableData = computed(() => {
 const onPermissionChange = () => {
   if (!props.matrix) return;
 
-  const updatedMatrix = {
-    ...props.matrix,
+  const updatedMatrix: ProjectRolePermissionsResponse = {
+    modules: props.matrix.modules,
     roles: { ...props.matrix.roles },
   };
 
diff --git a/frontend/src/views/admin/ApiPermissions.vue b/frontend/src/views/admin/ApiPermissions.vue
index df7f367a..7b8213c9 100644
--- a/frontend/src/views/admin/ApiPermissions.vue
+++ b/frontend/src/views/admin/ApiPermissions.vue
@@ -103,7 +103,10 @@ const saving = ref(false);
 const resetting = ref(false);
 
 const project = computed(() => studyStore.currentStudy);
-const studyId = computed(() => route.params.id as string);
+const studyId = computed(() => {
+  const id = route.params.id || route.params.projectId;
+  return typeof id === "string" ? id : (id as string[])[0];
+});
 
 // 权限数据
 const moduleMatrix = ref<ProjectRolePermissionsResponse | null>(null);
@@ -183,6 +186,9 @@ const save = async () => {
 
     dirty.value = false;
     ElMessage.success("权限已保存");
+
+    // 重新加载数据以确保同步
+    await loadPermissionData();
   } catch (error) {
     ElMessage.error("保存权限失败");
     console.error(error);