ref |> 修复横版直播间直播间Tab和大家聊占位图多了一个返回按钮问题

@@ -63,6 +63,8 @@ export struct EmptyComponent {
   @State emptyButton: boolean = false
   @State isBlack: boolean = false // 背景是否为黑色 默认白色
   @State timeNum: number = 10
+  ///占位图上是否显示返回按钮
+  @State showBackButton: boolean = true
   /**
    * The empty image width percentage setting.
    */
@@ -111,16 +113,18 @@ export struct EmptyComponent {
   build() {
     Stack({alignContent:Alignment.Bottom}) {
       this.noProgrammeData();
-      Image($r("app.media.icon_arrow_left_white"))
-        .width(24)
-        .height(24)
-        .onClick(() => {
-          router.back();
-        })
-        .position({
-          bottom: 15,
-          left: 16
-        })
+      if (this.showBackButton) {
+        Image($r("app.media.icon_arrow_left_white"))
+          .width(24)
+          .height(24)
+          .onClick(() => {
+            router.back();
+          })
+          .position({
+            bottom: 15,
+            left: 16
+          })
+      }
     }
   }
 

@@ -78,7 +78,7 @@ export struct TabChatComponent {
       } else if (this.pageModel.viewType == ViewType.ERROR) {
         ErrorComponent()
       } else if (this.pageModel.viewType == ViewType.EMPTY) {
-        EmptyComponent({ emptyType: WDViewDefaultType.WDViewDefaultType_NoComment1 })
+        EmptyComponent({ emptyType: WDViewDefaultType.WDViewDefaultType_NoComment1, showBackButton:false})
       } else {
 
         CustomPullToRefresh({

@@ -75,7 +75,7 @@ export struct TabLiveComponent {
       } else if (this.pageModel.viewType == ViewType.ERROR) {
         ErrorComponent()
       } else if (this.pageModel.viewType == ViewType.EMPTY) {
-        EmptyComponent({ emptyType: WDViewDefaultType.WDViewDefaultType_NoContent1 })
+        EmptyComponent({ emptyType: WDViewDefaultType.WDViewDefaultType_NoContent1, showBackButton:false })
       } else {
         CustomPullToRefresh({
           alldata: this.liveList,