diff --git a/pages/index/index.js b/pages/index/index.js
index f9638e8..b6eaa56 100644
--- a/pages/index/index.js
+++ b/pages/index/index.js
@@ -152,7 +152,7 @@ Page({
       const screenHeight = systemInfo.screenHeight * 2;
       const btnHeight = 90;
       
-      const minTop = screenHeight * 0.1;
+      const minTop = screenHeight * 0.2;
       const maxTop = screenHeight * 0.75;
       
       if (newTop < minTop) {