组件复用，待调

@@ -11,6 +11,7 @@ import font from '@ohos.font';
  * 视频：点播图标+时长；直播图标+'直播中'
  */
 @Component
+@Reusable
 export struct CardMediaInfo {
 
   @State livePeopleNum :boolean  = true
@@ -33,6 +34,16 @@ export struct CardMediaInfo {
     })
   }
 
+  aboutToReuse(params: Record<string, object>): void {
+    this.contentDTO = params.contentDTO as ContentDTO
+  }
+
+  aboutToRecycle(): void {
+  }
+
+  aboutToDisappear(): void {
+  }
+
   /**
    * 全域数字显示规则
    * 1、当数量为千位以內时，显示数字，不保留小数点，比如 4585

 import { CompDTO, ContentDTO } from 'wdBean'
 import { CommonConstants } from 'wdConstant/Index';
 import { DateTimeUtils } from 'wdKit/Index';
-import { JSON } from '@kit.ArkTS';
 import router from '@ohos.router'
 
+@Reusable
 @Component
 export struct CardSourceInfo {
   @State contentDTO: ContentDTO = new ContentDTO();
   @ObjectLink compDTO: CompDTO
 
   aboutToAppear(): void {
+  }
+
+  aboutToReuse(params: Record<string, object>): void {
+    this.contentDTO = params.contentDTO as ContentDTO
+  }
 
+  aboutToRecycle(): void {
   }
 
+  aboutToDisappear(): void {
+  }
   handleTimeStr() {
     return DateTimeUtils.getCommentTime(
       this.contentDTO.publishTime.includes(' ')