fix: 视频详情页获取内容失败，请重试 文字颜色与安卓不一致，有点暗

@@ -159,7 +159,7 @@ export struct EmptyComponent {
         .opacity(this.TEXT_OPACITY)
         .margin({ top: this.EMPTY_TIP_TEXT_MARGIN_TOP })
         // .fontColor(this.emptyType === WDViewDefaultType.WDViewDefaultType_NoComment1 ? '#999999' : '#666666')
-        .fontColor('#666666')
+        .fontColor(this.isBlack ? '#FFFFFF' :'#666666')
         .onClick((event: ClickEvent) => {
           Logger.info(TAG, `noProgrammeData onClick event?.source: ${event.source}`);
         })

@@ -395,7 +395,7 @@ export struct DetailVideoListPage {
           })
       } else if (this.isOffLine) {
         EmptyComponent({
-          emptyType: 15, emptyButton: true, retry: () => {
+          emptyType: 15, emptyButton: true, isBlack: true, retry: () => {
             this.getDetail()
           }
         })