Merge branch 'bug' into develop

@@ -4,14 +4,14 @@
       <el-popover placement="top" width="400" trigger="click">
         <div class="emojis">
           <div v-for="item in emojiName" class="emoji" :key="item" @click="chooseEmoji(item)">
-            <img :src="emojiUrl + emojiMap[item]" style="width:30px;height:30px"/>
+            <img :src="emojiUrl + emojiMap[item]" style="width:30px;height:30px" alt=""/>
           </div>
         </div>
         <i class="iconfont icon-smile" slot="reference" title="发表情"></i>
       </el-popover>
       <i class="iconfont icon-tupian" title="发图片" @click="handleSendImageClick"></i>
       <i class="el-icon-camera" title="发视频" @click="handleSendVideoClick"></i>
-      <i class="iconfont icon-wenjian" title="发文件" @click="handleSendFileClick"></i>
+<!--      <i class="iconfont icon-wenjian" title="发文件" @click="handleSendFileClick"></i>-->
       <!--      <i class="iconfont icon-zidingyi" title="发自定义消息" @click="sendCustomDialogVisible = true"></i>-->
       <!--      <el-dropdown>-->
       <!--      <span class="el-dropdown-link">-->