diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index 1519afa2b34d7aab11fa8221dfa49974c63569a5..5a743ba80d7f2d658e00363b4d2a8a67dd46f56d 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -47,7 +47,7 @@ struct Index {
             })
             .backgroundColor($r('sys.color.comp_background_primary'))
         }
-      }, (item: SampleUnitItem, index: number) => index.toString())
+      }, (item: string) => item);
     }
     .margin({ top: px2vp(this.topRectHeight) })
     .backgroundColor($r('sys.color.background_secondary'))