diff --git a/pages/API/dialog-page/dialog-page.uvue b/pages/API/dialog-page/dialog-page.uvue
index b77b2032887f07abc2bafaacd9c0284a81cde3d1..2dc04c626963215032d1ed82e58f661f211784bd 100644
--- a/pages/API/dialog-page/dialog-page.uvue
+++ b/pages/API/dialog-page/dialog-page.uvue
@@ -203,9 +203,8 @@
         uni.closeDialogPage({});
       },
       setPageStyleForTest(style : UTSJSONObject) {
-        const pages = getDialogPages();
-        const currentPage = pages[pages.length - 1];
-        currentPage.setPageStyle(style);
+        const pages = this.$page.getDialogPages();
+        if (pages.length > 0) pages[pages.length - 1].setPageStyle(style);
       }
     }
   }