会话列表，长按选中的状态调整

pages.json

@@ -373,7 +373,6 @@
         {
             "path": "pages/im/private/chat",
             "style": {
-                "navigationBarBackgroundColor":"#FFFFFF"
             }
         },
         {

pages/im/components/conversationList.vue

@@ -1,10 +1,9 @@
 <template>
     <view>
-        <view v-for="(item, index) in conversations" :key="index" :class="['message', { 'is-top': item.isTop }]"
+        <view v-for="(item, index) in conversations" :key="index" :class="['message', { 'is-top': item.isTop, 'is-active': pickedItem.targetId == item.targetId }]"
             :data-item="item" @longpress="onLongPress" @click="toDetail(item)">
             <message-cell :item="item" />
         </view>
-
         <view class="shade" @click="hidePop" v-show="showPop">
             <view class="pop" :style="popStyle" :class="{'show':showPop}">
                 <view v-for="(item, index) in popButton" :key="index" @click="pickerMenu" :data-index="index">
@@ -132,6 +131,10 @@
         &.is-top {
             background: $window-color;
         }
+        
+        &.is-active {
+            background: #F8FAFF;
+        }
     }
 
     /* 遮罩 */

pages/im/components/messageCell.vue

@@ -70,7 +70,7 @@
             position: relative;
             flex: 1;
             border-bottom-width: 0.5px !important;
-            border-color: #f9f9f9 !important;
+            border-color: #eee !important;
             border-bottom-style: solid;
 
             .header {