diff --git a/entry/src/main/ets/viewmodel/BasicDataSource.ets b/entry/src/main/ets/viewmodel/BasicDataSource.ets
index f4f2f744758c02226fb77635c04c4887d891e6f6..3e673a36baa337c0a8befde7dbda321d55c08522 100644
--- a/entry/src/main/ets/viewmodel/BasicDataSource.ets
+++ b/entry/src/main/ets/viewmodel/BasicDataSource.ets
@@ -47,9 +47,9 @@ class BasicDataSource implements IDataSource {
     this.data = [new SampleUnitItem('video', buttonUnit, this.imageArray1),
       new SampleUnitItem('pic', buttonUnit, this.imageArray3), new SampleUnitItem('pic', buttonUnit, this.imageArray4),
       new SampleUnitItem('pic', buttonUnit, this.imageArray8), new SampleUnitItem('pic', buttonUnit, this.imageArray9),
-      new SampleUnitItem('pic', buttonUnit, this.imageArray3), new SampleUnitItem('video', buttonUnit, this.imageArray1),
-      new SampleUnitItem('pic', buttonUnit, this.imageArray1),
-      new SampleUnitItem('pic', buttonUnit, this.imageArray3),];
+      new SampleUnitItem('pic', buttonUnit, this.imageArray3),
+      new SampleUnitItem('video', buttonUnit, this.imageArray1),
+      new SampleUnitItem('pic', buttonUnit, this.imageArray1), new SampleUnitItem('pic', buttonUnit, this.imageArray3)];
   }
 
   totalCount(): number {