diff --git a/resources/assets/js/components/Mobile/Back.vue b/resources/assets/js/components/Mobile/Back.vue
index 00d3f54ce..bcb87a53e 100644
--- a/resources/assets/js/components/Mobile/Back.vue
+++ b/resources/assets/js/components/Mobile/Back.vue
@@ -23,7 +23,7 @@ export default {
     },
 
     created() {
-
+        this.appAndroidEvents()
     },
 
     mounted() {
@@ -55,14 +55,17 @@ export default {
             this.x = touch.clientX
             this.y = touch.clientY
         },
+
         touchstart(event) {
             this.getXY(event)
             // 判断是否是边缘滑动
             this.show = this.canBack() && this.x < 30;
         },
+
         touchmove(event) {
             this.getXY(event)
         },
+
         touchend() {
             // 判断停止时的位置偏移
             if (this.x > 90 && this.show) {
@@ -71,6 +74,7 @@ export default {
             this.x = 0
             this.show = false
         },
+
         canBack() {
             if (!this.showTabbar) {
                 return true;
@@ -80,6 +84,7 @@ export default {
             }
             return this.cacheDrawerOverlay.length > 0;
         },
+
         onBack() {
             if (this.$Modal.removeLast()) {
                 return;
@@ -89,6 +94,23 @@ export default {
                 return;
             }
             this.goBack();
+        },
+
+        appAndroidEvents() {
+            if (window && window.navigator
+                && /eeui/i.test(window.navigator.userAgent)
+                && /android/i.test(window.navigator.userAgent)) {
+                let eeui = requireModuleJs("eeui");
+                eeui.setPageBackPressed({
+                    pageName: 'firstPage',
+                }, _ => {
+                    if (this.canBack()) {
+                        this.onBack();
+                    } else {
+                        eeui.goDesktop()
+                    }
+                });
+            }
         }
     },
 };
diff --git a/resources/assets/js/components/Mobile/Tabbar.vue b/resources/assets/js/components/Mobile/Tabbar.vue
index f8d8f4cee..326584a63 100644
--- a/resources/assets/js/components/Mobile/Tabbar.vue
+++ b/resources/assets/js/components/Mobile/Tabbar.vue
@@ -4,6 +4,14 @@
             <li v-for="item in navList" @click="toggleRoute(item.name)" :class="{active: activeName === item.name}">
                 <i class="taskfont" v-html="item.icon"></i>
                 <div class="tabbar-title">{{$L(item.label)}}</div>
+                <template v-if="item.name === 'dashboard'">
+                    <Badge v-if="dashboardTask.overdue.length > 0" class="tabbar-badge" type="error" :count="dashboardTask.overdue.length"/>
+                    <Badge v-else-if="dashboardTask.today.length > 0" class="tabbar-badge" type="info" :count="dashboardTask.today.length"/>
+                    <Badge v-else-if="dashboardTask.all.length > 0" class="tabbar-badge" type="primary" :count="dashboardTask.all.length"/>
+                </template>
+                <template v-else-if="item.name === 'dialog'">
+                    <Badge class="tabbar-badge" :text="msgUnreadMention"/>
+                </template>
             </li>
         </ul>
         <div class="mobile-back"></div>
@@ -11,6 +19,8 @@
 </template>
 
 <script>
+import {mapGetters, mapState} from "vuex";
+
 export default {
     name: "MobileTabbar",
 
@@ -39,6 +49,11 @@ export default {
     },
 
     computed: {
+        ...mapState([
+            'cacheDialogs',
+        ]),
+        ...mapGetters(['dashboardTask']),
+
         routeName() {
             return this.$route.name
         },
@@ -63,6 +78,28 @@ export default {
             }
             return ''
         },
+
+        msgUnreadMention() {
+            let num = 0;
+            let mention = 0;
+            this.cacheDialogs.some(dialog => {
+                num += $A.getDialogUnread(dialog);
+                mention += $A.getDialogMention(dialog);
+            })
+            if (num <= 0) {
+                return '';
+            }
+            if (num > 99) {
+                num = "99+"
+            }
+            if (mention > 0) {
+                if (mention > 99) {
+                    return "@99+"
+                }
+                return `${num}·@${mention}`
+            }
+            return String(num);
+        },
     },
 
     methods: {
diff --git a/resources/assets/js/pages/manage.vue b/resources/assets/js/pages/manage.vue
index bc5b782af..949a669d2 100644
--- a/resources/assets/js/pages/manage.vue
+++ b/resources/assets/js/pages/manage.vue
@@ -517,7 +517,13 @@ export default {
             if (num <= 0) {
                 return '';
             }
+            if (num > 99) {
+                num = "99+"
+            }
             if (mention > 0) {
+                if (mention > 99) {
+                    return "@99+"
+                }
                 return `${num}·@${mention}`
             }
             return String(num);
diff --git a/resources/assets/js/pages/manage/components/DialogWrapper.vue b/resources/assets/js/pages/manage/components/DialogWrapper.vue
index 00de9f2ab..b1f9cc822 100644
--- a/resources/assets/js/pages/manage/components/DialogWrapper.vue
+++ b/resources/assets/js/pages/manage/components/DialogWrapper.vue
@@ -315,7 +315,13 @@ export default {
                 if (id) {
                     this.msgNew = 0;
                     this.topId = -1;
-                    this.$store.dispatch("getDialogMsgs", id).then(this.onToBottom).catch(_ => {});
+                    if (this.dialogMsgList.length > 0) {
+                        setTimeout(this.onToBottom, 10);
+                    }
+                    const startTime = new Date().getTime();
+                    this.$store.dispatch("getDialogMsgs", id).then(_ => {
+                        setTimeout(this.onToBottom, Math.max(0, 100 - (new Date().getTime() - startTime)));
+                    }).catch(_ => {});
                 }
             },
             immediate: true
diff --git a/resources/assets/sass/components/mobile.scss b/resources/assets/sass/components/mobile.scss
index f95b88955..3bed548a0 100644
--- a/resources/assets/sass/components/mobile.scss
+++ b/resources/assets/sass/components/mobile.scss
@@ -25,6 +25,7 @@
             padding: 0;
             margin: 0;
             color: $primary-text-color;
+            position: relative;
             .taskfont {
                 font-size: 24px;
                 line-height: 34px;
@@ -33,6 +34,15 @@
                 font-size: 12px;
                 line-height: 18px;
             }
+            .tabbar-badge {
+                position: absolute;
+                top: 0;
+                left: 50%;
+                transform: scale(0.8);
+                .ivu-badge-count {
+                    font-size: 14px;
+                }
+            }
             &.active {
                 color: $primary-color;
             }
diff --git a/resources/assets/sass/dark.scss b/resources/assets/sass/dark.scss
index 956309015..b73810087 100644
--- a/resources/assets/sass/dark.scss
+++ b/resources/assets/sass/dark.scss
@@ -425,6 +425,9 @@ body.dark-mode-reverse {
                         color: #333;
                     }
                 }
+                .mention {
+                    color: #333;
+                }
             }
         }
     }
diff --git a/resources/assets/sass/pages/common.scss b/resources/assets/sass/pages/common.scss
index 53f11dd58..28b6d6d53 100755
--- a/resources/assets/sass/pages/common.scss
+++ b/resources/assets/sass/pages/common.scss
@@ -7,6 +7,10 @@ body {
         padding: 5px 0;
     }
 
+    .ivu-badge-count {
+        font-family: "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
+    }
+
     .input-number-box {
         display: flex;
         align-items: center;