IM部分的备注，消息发送代码分离

pages/im/index.vue

@@ -15,9 +15,9 @@
                     <view class="item" @click="scanQrCode">
                         <uni-icons color="#555" type="scan" size="22"></uni-icons>
                     </view>
-                    <view class="item" @click="onNav('', {})">
+                    <!-- <view class="item" @click="onNav('', {})">
                         <uni-icons color="#555" custom-prefix="iconfont" type="icon-gengduo2" size="22"></uni-icons>
-                    </view>
+                    </view> -->
                 </view>
             </view>
         </view>
@@ -130,14 +130,16 @@
                 }
             }
         },
-        methods: {
+        methods: {
+            // 隐藏功能菜单
             hidePop() {
                 this.showPop = false
                 this.pickedItem = {}
                 setTimeout(() => {
                     this.showShade = false
                 }, 250)
-            },
+            },
+            // 点击会话功能菜单
             pickerMenu(e) {
                 const index = Number(e.currentTarget.dataset.index)
 
@@ -150,7 +152,8 @@
                 im.setNotifyBadge()
                 this.getConversationList()
                 this.hidePop()
-            },
+            },
+            // 长按会话，展示功能菜单
             onLongPress(e) {
                 let [touches, style, item] = [e.touches[0], "", e.currentTarget.dataset.item]
 
@@ -217,7 +220,8 @@
                         params
                     })
                 }
-            },
+            },
+            // 调起扫码
             scanQrCode() {
                 uni.scanCode({
                     success: (res) => {