diff --git a/resources/assets/js/pages/manage/components/DialogWrapper.vue b/resources/assets/js/pages/manage/components/DialogWrapper.vue
index f0d8c09a0..01dc900e8 100644
--- a/resources/assets/js/pages/manage/components/DialogWrapper.vue
+++ b/resources/assets/js/pages/manage/components/DialogWrapper.vue
@@ -13,7 +13,7 @@
             <slot name="head">
                 <div class="nav-wrapper" :class="{completed: $A.dialogCompleted(dialogData)}">
                     <div class="dialog-back" @click="onBack">
-                        <i class="taskfont">&#xe72d;</i>
+                        <i class="taskfont">&#xe676;</i>
                         <div v-if="msgUnreadOnly" class="back-num">{{msgUnreadOnly}}</div>
                     </div>
 
@@ -46,7 +46,7 @@
                                     {{$L(dialogData.online_state === true ? '在线' : dialogData.online_state)}}
                                 </li>
                             </ul>
-                            <ul v-if="msgTags.length > 1" class="title-tags scrollbar-hidden">
+                            <ul v-if="msgTags.length > 1 && windowScrollY === 0" class="title-tags scrollbar-hidden">
                                 <li
                                     v-for="item in msgTags"
                                     :key="item.type"
@@ -519,7 +519,7 @@ export default {
         },
 
         scrollerClass() {
-            return !this.$slots.head && this.msgTags.length > 1 ? 'default-header' : null
+            return !this.$slots.head && this.msgTags.length > 1 && this.windowScrollY === 0 ? 'default-header' : null
         },
 
         pasteWrapperClass() {
diff --git a/resources/assets/js/pages/manage/components/ProjectPanel.vue b/resources/assets/js/pages/manage/components/ProjectPanel.vue
index 5d910e895..8eadaca8a 100644
--- a/resources/assets/js/pages/manage/components/ProjectPanel.vue
+++ b/resources/assets/js/pages/manage/components/ProjectPanel.vue
@@ -4,7 +4,7 @@
         <div class="project-titbox">
             <div class="project-title">
                 <div class="project-back" @click="onBack">
-                    <i class="taskfont">&#xe72d;</i>
+                    <i class="taskfont">&#xe676;</i>
                 </div>
                 <h1>{{projectData.name}}</h1>
                 <div v-if="loading" class="project-load"><Loading/></div>
diff --git a/resources/assets/statics/public/css/fonts/taskfont.ttf b/resources/assets/statics/public/css/fonts/taskfont.ttf
index 38bf61155..755fb82cd 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.ttf and b/resources/assets/statics/public/css/fonts/taskfont.ttf differ
diff --git a/resources/assets/statics/public/css/fonts/taskfont.woff b/resources/assets/statics/public/css/fonts/taskfont.woff
index 82b03c915..41eb39cf7 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.woff and b/resources/assets/statics/public/css/fonts/taskfont.woff differ
diff --git a/resources/assets/statics/public/css/fonts/taskfont.woff2 b/resources/assets/statics/public/css/fonts/taskfont.woff2
index ce06963f2..414b51a0a 100644
Binary files a/resources/assets/statics/public/css/fonts/taskfont.woff2 and b/resources/assets/statics/public/css/fonts/taskfont.woff2 differ