bugfix：未登录循环注册

miniprogram/custom-tab-bar/index.ts

@@ -1,4 +1,10 @@
 import { request } from '../utils/request'
+import * as auth from '../utils/auth'
+import { STORAGE_KEYS } from '../utils/config'
+
+// 未读红点轮询最小间隔，避免频繁切 tab 时重复打接口
+const SYNC_INTERVAL = 30 * 1000
+let lastSyncAt = 0
 
 Component({
   data: {
@@ -15,25 +21,40 @@ Component({
 
   lifetimes: {
     attached() {
-      this.refreshUnread()
+      // 先用缓存渲染红点；未登录时不再发请求（否则会批量 401 并触发重定向）
+      const cached = (wx.getStorageSync(STORAGE_KEYS.UNREAD) as number) || 0
+      this.setData({ unread: cached })
+      this.syncUnread()
     },
   },
 
   methods: {
-    refreshUnread() {
-      const unread = (wx.getStorageSync('zt_closet_unread') as number) || 0
+    // 直接更新红点（供页面在已知数量时调用，不再触发二次请求）
+    setUnread(n: number) {
+      const unread = Number(n) || 0
+      wx.setStorageSync(STORAGE_KEYS.UNREAD, unread)
       this.setData({ unread })
-      this.fetchUnread()
     },
-    fetchUnread() {
-      request<{ unread_count: number }>({ url: '/notification/unread', showError: false })
-        .then((res) => {
-          const unread = res.unread_count || 0
-          wx.setStorageSync('zt_closet_unread', unread)
-          this.setData({ unread })
-        })
+
+    // 拉取未读数：仅登录态才请求，且做节流
+    syncUnread(force?: boolean) {
+      if (!auth.isLoggedIn()) {
+        this.setUnread(0)
+        return
+      }
+      const now = Date.now()
+      if (!force && now - lastSyncAt < SYNC_INTERVAL) return
+      lastSyncAt = now
+
+      request<{ unread_count: number }>({
+        url: '/notification/unread',
+        showError: false,
+        silentAuth: true,
+      })
+        .then((res) => this.setUnread(res.unread_count || 0))
         .catch(() => {})
     },
+
     switchTab(e: WechatMiniprogram.TouchEvent) {
       const { path, index } = e.currentTarget.dataset as { path: string; index: number }
       wx.switchTab({ url: path })