后台用户管理菜单权限目录：加载增加自动重试与失败提示/重新加载，创建编辑失败时自动恢复

backend/static/admin.js

@@ -388,7 +388,44 @@
             }
             var allColumnsList = [];
             var columnPermissionCatalogReady = false;
+            var columnPermissionCatalogState = 'idle'; // idle | loading | ready | failed
+            var columnPermissionCatalogError = '';
             var columnCardsContainerMap = { createColumnPermissionWrap: 'createColumnCards', editColumnPermissionWrap: 'editColumnCards' };
+            function fetchCatalogWithRetry(url, attempts) {
+                return fetch(url).then(function (r) {
+                    if (!r.ok) throw new Error('请求失败(' + r.status + ')');
+                    return r.json();
+                }).catch(function (error) {
+                    if (attempts <= 1) throw error;
+                    return new Promise(function (resolve) { setTimeout(resolve, 700); })
+                        .then(function () { return fetchCatalogWithRetry(url, attempts - 1); });
+                });
+            }
+            function renderPermissionCatalogStatus() {
+                var wrap = document.getElementById('createColumnPermissionWrap');
+                if (!wrap) return;
+                if (columnPermissionCatalogState === 'loading') {
+                    wrap.textContent = '菜单权限加载中…';
+                } else if (columnPermissionCatalogState === 'failed') {
+                    wrap.innerHTML = '';
+                    var tip = document.createElement('div');
+                    tip.style.color = '#e5484d';
+                    tip.style.fontSize = '13px';
+                    tip.style.padding = '8px 0';
+                    tip.textContent = '菜单权限加载失败' +
+                        (columnPermissionCatalogError ? '（' + columnPermissionCatalogError + '）' : '') +
+                        '：';
+                    var retryBtn = document.createElement('button');
+                    retryBtn.type = 'button';
+                    retryBtn.className = 'col-perm-retry';
+                    retryBtn.textContent = '重新加载';
+                    retryBtn.style.marginLeft = '6px';
+                    retryBtn.style.padding = '2px 10px';
+                    retryBtn.onclick = loadColumnsForPermission;
+                    tip.appendChild(retryBtn);
+                    wrap.appendChild(tip);
+                }
+            }
             // Hierarchical permission editor: only direct IDs are submitted; descendants are visual inheritance.
             function columnParentId(item) {
                 var value = item && item.parent_id != null ? item.parent_id : item && item.parentId;
@@ -424,12 +461,16 @@
                     return columnTreeFullyCovered(columnId(child), directIds);
                 });
             }
+            var columnPermissionCatalogPending = null;
             function loadColumnsForPermission() {
+                if (columnPermissionCatalogPending) return columnPermissionCatalogPending;
                 columnPermissionCatalogReady = false;
+                columnPermissionCatalogState = 'loading';
+                columnPermissionCatalogError = '';
+                renderPermissionCatalogStatus();
                 var ownedKeys = {}, ownedRoutes = {};
                 var ownPermissionRequest = (currentUserRole === 'admin' && currentUserId)
-                    ? fetch('/api/admin/user/' + currentUserId + '/column-permissions')
+                    ? fetchCatalogWithRetry('/api/admin/user/' + currentUserId + '/column-permissions', 3)
-                        .then(function (r) { return r.json(); })
                         .then(function (res) {
                             if (!res.success) throw new Error(res.error || '当前用户权限加载失败');
                             (res.items || []).forEach(function (item) {
@@ -438,10 +479,9 @@
                             });
                         })
                     : Promise.resolve();
-                ownPermissionRequest.then(function () { return fetch('/api/admin/columns'); })
+                var catalogChain = ownPermissionRequest.then(function () { return fetchCatalogWithRetry('/api/admin/columns', 3); })
-                    .then(function (r) { return r.json(); })
                     .then(function (res) {
-                        if (!res.success) return;
+                        if (!res.success) throw new Error(res.error || '菜单列表加载失败');
                         var availableColumns = (res.items || []).filter(function (item) {
                             if (item.column_key === 'admin_image_video_task_data' ||
                                 item.column_key === 'admin_shop_data_crawl_task_data') return false;
@@ -477,17 +517,25 @@
                             });
                         }
                         columnPermissionCatalogReady = true;
+                        columnPermissionCatalogState = 'ready';
                         renderColumnPermissionWrap('createColumnPermissionWrap');
                         renderColumnPermissionWrap('editColumnPermissionWrap');
                         populateColumnParentSelects();
-                    }).catch(function () {
+                    }).catch(function (error) {
                         columnPermissionCatalogReady = false;
+                        columnPermissionCatalogState = 'failed';
+                        columnPermissionCatalogError = (error && error.message) ? error.message : '';
                         allColumnsList = [];
                         var editPermissionWrap = document.getElementById('editColumnPermissionWrap');
                         if (editPermissionWrap) editPermissionWrap._permissionsReady = false;
                         renderColumnPermissionWrap('createColumnPermissionWrap');
                         renderColumnPermissionWrap('editColumnPermissionWrap');
+                        renderPermissionCatalogStatus();
+                    }).finally(function () {
+                        columnPermissionCatalogPending = null;
                     });
+                columnPermissionCatalogPending = catalogChain;
+                return catalogChain;
             }
             function renderColumnCards(wrapId) {
                 var wrap = document.getElementById(wrapId);
@@ -748,6 +796,9 @@
                         editPermissionWrap._directIds = {};
                         editPermissionWrap._permissionsReady = false;
                         renderColumnPermissionWrap('editColumnPermissionWrap');
+                        if (!columnPermissionCatalogReady && (columnPermissionCatalogState === 'failed' || columnPermissionCatalogState === 'idle')) {
+                            loadColumnsForPermission();
+                        }
                         fetch('/api/admin/user/' + (u.id) + '/columns')
                             .then(function (r) { return r.json(); })
                             .then(function (res) {
@@ -800,7 +851,13 @@
                     return;
                 }
                 if (!columnPermissionCatalogReady) {
-                    msgEl.textContent = '菜单权限尚未加载，请稍后重试';
+                    if (columnPermissionCatalogState === 'failed' || columnPermissionCatalogState === 'idle') {
+                        loadColumnsForPermission();
+                        msgEl.textContent = '菜单权限加载失败，已重新加载，请稍后重试';
+                        msgEl.classList.add('err');
+                        return;
+                    }
+                    msgEl.textContent = '菜单权限尚未加载（加载中），请稍后重试';
                     msgEl.classList.add('err');
                     return;
                 }

backend/web_source/admin.html

@@ -3209,7 +3209,7 @@
             </div>
         </div>
     </div>
-    <script src="/static/admin.js?v=dedupe-country-2"></script>
+    <script src="/static/admin.js?v=admin-perm-retry-1"></script>
 </body>
 
 </html>