布局优化

@@ -72,6 +72,7 @@ export struct TopNavigationComponentNew {
   private tabsWidth: number = 0
 
   build() {
+    Column() {
       // 频道分类list
       RelativeContainer() {
         this.tabBar()
@@ -135,6 +136,7 @@ export struct TopNavigationComponentNew {
       .width('100%')
       .height('100%')
     }
+  }
 
   @Builder
   topBar() {
@@ -316,7 +318,7 @@ export struct TopNavigationComponentNew {
       bottom: 2,
     })
     .id(`col_tabBar${index}`)
-    .margin({ right: this.myChannelList.length === index + 1 ? 36 : 0 })
+    // .margin({ right: this.myChannelList.length === index + 1 ? 36 : 0 })
     .onClick(() => {
       Logger.debug(TAG, `onClick, index: ${index}`);
       if (this.currentTopNavSelectedIndex === index) {
@@ -487,9 +489,19 @@ export struct TopNavigationComponentNew {
   }
 
   /**
+   * 判断是否当前页面处理逻辑，如消息通知，只需要切换到当前底导的处理，过滤掉非当前。
+   */
+  private isCurrentPage(): boolean {
+    return this._currentNavIndex === this.bottomNavIndex
+  }
+
+  /**
    * 频道id变化，即指定频道跳转场景
    */
   onAssignChannelChange() {
+    if (!this.isCurrentPage()) {
+      return
+    }
     let channelId = this.assignChannel.channelId
     let index = -1
     if (this._currentNavIndex === 0) {
@@ -537,7 +549,7 @@ export struct TopNavigationComponentNew {
   private getChannelByMine(channelId: string) {
     for (let i = 0; i < this.myChannelList.length; i++) {
       let topNavDTO: TopNavDTO = this.myChannelList[i]
-      if (topNavDTO.channelId?.toString() === channelId) {
+      if (topNavDTO?.channelId?.toString() === channelId) {
         return i
       }
     }