diff --git a/resources/assets/js/components/DropdownMenu.vue b/resources/assets/js/components/DropdownMenu.vue
index 447fa4253..70e30af70 100644
--- a/resources/assets/js/components/DropdownMenu.vue
+++ b/resources/assets/js/components/DropdownMenu.vue
@@ -58,9 +58,7 @@ export default {
     },
 
     beforeDestroy() {
-        if (this.scrollTarget) {
-            this.scrollTarget.removeEventListener('scroll', this.handlerEventListeners);
-        }
+        this.removeEventListeners()
     },
 
     computed: {
@@ -117,6 +115,12 @@ export default {
             };
             this.updatePopper();
         },
+
+        visible(v) {
+            if (!v) {
+                this.removeEventListeners()
+            }
+        }
     },
 
     methods: {
@@ -161,6 +165,13 @@ export default {
             this.scrollTarget.addEventListener('scroll', this.handlerEventListeners);
         },
 
+        removeEventListeners() {
+            if (this.scrollTarget) {
+                this.scrollTarget.removeEventListener('scroll', this.handlerEventListeners);
+                this.scrollTarget = null;
+            }
+        },
+
         handlerEventListeners(e) {
             if (!this.visible || !this.menuTarget) {
                 return
diff --git a/resources/assets/js/components/Mobile/Back.vue b/resources/assets/js/components/Mobile/Back.vue
index f45f736da..053369503 100644
--- a/resources/assets/js/components/Mobile/Back.vue
+++ b/resources/assets/js/components/Mobile/Back.vue
@@ -146,6 +146,9 @@ export default {
         },
 
         onBack() {
+            // 通用菜单
+            this.$store.commit('menu/operation', {})
+
             // 微应用通知
             let microAppIsAccept = false;
             microApp.setGlobalData({
@@ -161,10 +164,13 @@ export default {
             if (microAppIsAccept) {
                 return;
             }
-            //
+
+            // 移除模态框
             if (this.$Modal.removeLast()) {
                 return;
             }
+
+            // 文件浏览器
             if (this.routeName === 'manage-file') {
                 if (this.fileFolderId > 0) {
                     const file = this.fileLists.find(({id, permission}) => id == this.fileFolderId && permission > -1)
@@ -181,6 +187,8 @@ export default {
                 this.goForward({name: 'manage-application'}, true);
                 return;
             }
+
+            // 消息页搜索
             if (this.routeName === 'manage-messenger') {
                 if (this.$route.params.dialogAction === 'contacts') {
                     if (this.messengerSearchKey.contacts) {
diff --git a/resources/assets/js/store/mutations.js b/resources/assets/js/store/mutations.js
index 5951f3301..e0978c39f 100644
--- a/resources/assets/js/store/mutations.js
+++ b/resources/assets/js/store/mutations.js
@@ -296,6 +296,6 @@ export default {
 
     // 通用菜单
     'menu/operation': function(state, data) {
-        state.menuOperation = data
+        state.menuOperation = data || {}
     },
 }
diff --git a/resources/assets/sass/pages/components/dialog-wrapper.scss b/resources/assets/sass/pages/components/dialog-wrapper.scss
index 39feed5ce..fb844fc11 100644
--- a/resources/assets/sass/pages/components/dialog-wrapper.scss
+++ b/resources/assets/sass/pages/components/dialog-wrapper.scss
@@ -374,7 +374,7 @@
                 left: 0;
                 right: 0;
                 bottom: 1px;
-                z-index: 2;
+                z-index: 3;
                 background-color: #ffffff;
                 display: flex;
                 align-items: center;
@@ -758,6 +758,10 @@
                         align-items: flex-start;
                         position: relative;
 
+                        p {
+                            word-break: break-all;
+                        }
+
                         a,
                         img {
                             -webkit-user-drag: none;