fix |> 20660 直播详情大家聊中，下拉刷新评论列表后，没有展示最新评论

@@ -146,7 +146,7 @@ export struct TabChatComponent {
         (data) => {
           this.pageModel.isLoading = false
           if (resolve) {
-            if (this.pageModel.currentPage == 1) {
+            if (this.pageModel.currentPage != 1) {
               resolve('已更新至最新')
             } else {
               resolve('')
@@ -158,7 +158,11 @@ export struct TabChatComponent {
           Logger.debug(TAG, `${JSON.stringify(data)}`)
           if (data.barrageResponses && data.barrageResponses.length > 0) {
             this.pageModel.viewType = ViewType.LOADED;
-            this.liveChatList.push(...data.barrageResponses)
+            if (this.pageModel.currentPage === 1) {
+              this.liveChatList.push(...data.barrageResponses)
+            }else {
+              this.liveChatList.addItems(data.barrageResponses, 0)
+            }
 
             if (this.pageModel.currentPage === 1) {
               setTimeout(() => {