diff --git a/src/App.vue b/src/App.vue
index 94d09b5..98a2f99 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -60,6 +60,13 @@
 				} catch (_) {
 					// state 解析失败，忽略
 				}
+				// 存入 localStorage，确保 loading 页面复用时也能获取（redirectTo 可能不触发 onLoad）
+				if (action) {
+					localStorage.setItem('__auth_action', action);
+				}
+				if (callbackDeviceId) {
+					localStorage.setItem('__auth_device_id', callbackDeviceId);
+				}
 				let loadingUrl = '/pages/auth/loading?code=' + encodeURIComponent(code);
 				if (action) {
 					loadingUrl += '&action=' + action;
diff --git a/src/pages/auth/loading.vue b/src/pages/auth/loading.vue
index 34cbb73..ba3d7b5 100644
--- a/src/pages/auth/loading.vue
+++ b/src/pages/auth/loading.vue
@@ -36,16 +36,13 @@ export default {
       code = urlParams.get('code') || '';
     }
 
-    // 兜底：从 localStorage 恢复（redirect_uri 参数为主，localStorage 为备用）
+    // 兜底：从 localStorage 恢复（页面复用时 onLoad 不触发，localStorage 由跳转函数清理）
     if (!this.action) {
       this.action = localStorage.getItem('__auth_action') || '';
     }
     if (!this.deviceId) {
       this.deviceId = localStorage.getItem('__auth_device_id') || '';
     }
-    // 清理 localStorage（一次性使用，避免残留影响下次流程）
-    localStorage.removeItem('__auth_action');
-    localStorage.removeItem('__auth_device_id');
     console.log('[loading] onLoad - action:', this.action, 'deviceId:', this.deviceId, 'code:', code ? 'yes' : 'no');
 
     if (this.action === 'userinfo') {
@@ -87,6 +84,11 @@ export default {
       try {
         this.statusText = '正在获取授权...';
 
+        // 存入 localStorage（页面复用时 onLoad 不会重新触发，需要从 localStorage 读取）
+        if (this.deviceId) {
+          localStorage.setItem('__auth_device_id', this.deviceId);
+        }
+
         // 回调地址：必须与微信公众号后台注册地址一致，不能带自定义参数
         const redirectUri = config.authRedirectUri || (
           window.location.origin.replace(/^http:/, 'https:') + window.location.pathname
@@ -221,6 +223,12 @@ export default {
       try {
         this.statusText = '正在获取用户信息...';
 
+        // 存入 localStorage（页面复用时 onLoad 不会重新触发，需要从 localStorage 读取）
+        localStorage.setItem('__auth_action', 'userinfo');
+        if (this.deviceId) {
+          localStorage.setItem('__auth_device_id', this.deviceId);
+        }
+
         // 回调地址：必须与微信公众号后台注册地址一致，不能带自定义参数
         const redirectUri = config.authRedirectUri || (
           window.location.origin.replace(/^http:/, 'https:') + window.location.pathname
@@ -317,16 +325,22 @@ export default {
      * 跳回首页并标记为"我的"tab
      */
     goToHomeWithAction() {
-      const url = this.deviceId
-        ? `/pages/index/index?device_id=${this.deviceId}&action=mine`
+      // 兼容页面复用：优先 this.deviceId，其次 localStorage
+      const deviceId = this.deviceId || localStorage.getItem('__auth_device_id') || '';
+      const url = deviceId
+        ? `/pages/index/index?device_id=${deviceId}&action=mine`
         : '/pages/index/index?action=mine';
+      localStorage.removeItem('__auth_device_id');
+      localStorage.removeItem('__auth_action');
       uni.redirectTo({ url });
     },
 
     goToHome() {
-      const url = this.deviceId
-        ? `/pages/index/index?device_id=${this.deviceId}`
+      const deviceId = this.deviceId || localStorage.getItem('__auth_device_id') || '';
+      const url = deviceId
+        ? `/pages/index/index?device_id=${deviceId}`
         : '/pages/index/index';
+      localStorage.removeItem('__auth_device_id');
       uni.redirectTo({ url });
     },
 
diff --git a/src/pages/index/index.vue b/src/pages/index/index.vue
index 10fa4b1..bbdeb40 100644
--- a/src/pages/index/index.vue
+++ b/src/pages/index/index.vue
@@ -325,6 +325,12 @@ export default {
       }
 
       try {
+        // 存入 localStorage（loading 页面复用时 onLoad 不会重新触发，需要从 localStorage 读取）
+        localStorage.setItem('__auth_action', 'userinfo');
+        if (this.deviceId) {
+          localStorage.setItem('__auth_device_id', this.deviceId);
+        }
+
         // 回调地址：必须与微信公众号后台注册地址一致，不能带自定义参数
         const redirectUri = config.authRedirectUri || (
           window.location.origin.replace(/^http:/, 'https:') + window.location.pathname