用户昵称，头像，本地缓存与更新规则

pages/im/index.vue

@@ -44,7 +44,7 @@
                     </view>
                     <view class="content u-border-bottom">
                         <view class="header">
-                            <view class="name">{{ friend(item.targetId).name || '未知用户' }}</view>
+                            <view class="name">{{ friend(item.targetId).name }}</view>
                             <view class="time">{{ item.sentTime|timeCustomCN }}</view>
                         </view>
                         <message-preview class="preview" :msg="item.latestMessage" />
@@ -218,8 +218,7 @@
             toDetail(item) {
                 this.hidePop()
                 uni.navigateTo({
-                    url: '/pages/im/private/chat?targetId=' + item.targetId + '&conversationType=' + item
-                        .conversationType
+                    url: '/pages/im/private/chat?targetId=' + item.targetId
                 })
             },
             toFriend(targetId) {