feat：优化视频tab刷新问题

@@ -35,7 +35,7 @@ export struct VideoChannelDetail {
   @Provide private pageId: string = '' //页面id
   @Provide private pageName: string = ''
   private pageNum: number = 1
-  private pageSize: number = 5
+  private pageSize: number = 10
   private loadStrategy: string = 'first_load' // 首次加载： first_load, 上推刷新：  push_up, 下拉刷新： pull_down
   private refreshTime: number = new Date().getTime() // 第一页刷新时间，用于频道分页排序时过滤，查询时携带【首刷、下拉取当前最新时间；其他的都使用首刷的时间】
   private channelId: string = '' // 频道id
@@ -85,6 +85,9 @@ export struct VideoChannelDetail {
       this.totalCount = 0
       this.isMouted = false
       this.isRefreshList = true
+      this.loadStrategy = 'first_load'
+      this.refreshTime = new Date().getTime()
+      this.dataContentDetail.clearAllData()
       this.getRecCompInfo()
     }
 
@@ -224,7 +227,7 @@ export struct VideoChannelDetail {
     }
     this.isRequesting = true
     const params: getRecCompInfoParams = {
-      groupId: this.groupId,
+      groupId: this.groupId.length>2?this.groupId:this.pageId,
       pageId: this.pageId,
       channelId: this.channelId,
       loadStrategy: this.loadStrategy,