diff --git a/app/Http/Controllers/Api/UsersController.php b/app/Http/Controllers/Api/UsersController.php
index 6f7ce0008..e177bb912 100755
--- a/app/Http/Controllers/Api/UsersController.php
+++ b/app/Http/Controllers/Api/UsersController.php
@@ -1115,6 +1115,9 @@ class UsersController extends AbstractController
      * @apiGroup users
      * @apiName umeng__alias
      *
+     * @apiParam {String} action
+     * - update: 更新（默认）
+     * - remove: 删除
      * @apiParam {String} alias           别名
      *
      * @apiSuccess {Number} ret     返回状态码（1正确、0错误）
@@ -1130,6 +1133,13 @@ class UsersController extends AbstractController
             'alias.between:2,20' => '别名的长度在2-20个字符',
         ]);
         //
+        if ($data['action'] === 'remove') {
+            if ($data['alias']) {
+                UmengAlias::whereAlias($data['alias'])->delete();
+            }
+            return Base::retSuccess('删除成功');
+        }
+        //
         if (!in_array(Base::platform(), ['ios', 'android'])) {
             return Base::retError('设备类型错误');
         }
diff --git a/resources/assets/js/App.vue b/resources/assets/js/App.vue
index 5f7ec480c..618335585 100755
--- a/resources/assets/js/App.vue
+++ b/resources/assets/js/App.vue
@@ -122,20 +122,29 @@ export default {
             handler() {
                 this.$store.dispatch("websocketConnection");
                 //
-                if (this.userId > 0 && this.$isEEUiApp) {
-                    $A.eeuiAppSendMessage({
-                        action: 'initApp',
-                        apiUrl: $A.apiUrl(''),
-                        userid: this.userId,
-                        token: this.userToken,
-                        userAgent: window.navigator.userAgent,
-                    });
-                    setTimeout(_ => {
+                if (this.$isEEUiApp) {
+                    this.umengAliasTimer && clearTimeout(this.umengAliasTimer)
+                    if (this.userId > 0) {
                         $A.eeuiAppSendMessage({
-                            action: 'setUmengAlias',
+                            action: 'initApp',
+                            apiUrl: $A.apiUrl(''),
+                            userid: this.userId,
+                            token: this.userToken,
+                            userAgent: window.navigator.userAgent,
+                        });
+                        this.umengAliasTimer = setTimeout(_ => {
+                            this.umengAliasTimer = null;
+                            $A.eeuiAppSendMessage({
+                                action: 'setUmengAlias',
+                                url: $A.apiUrl('users/umeng/alias')
+                            });
+                        }, 6000)
+                    } else {
+                        $A.eeuiAppSendMessage({
+                            action: 'delUmengAlias',
                             url: $A.apiUrl('users/umeng/alias')
                         });
-                    }, 6000)
+                    }
                 }
             },
             immediate: true
diff --git a/resources/mobile b/resources/mobile
index 25571a072..8533b26fe 160000
--- a/resources/mobile
+++ b/resources/mobile
@@ -1 +1 @@
-Subproject commit 25571a072613453c181edb6a642fad8a3a053b12
+Subproject commit 8533b26fe64824a3c714757aa7631f1da4413304