diff --git a/index.html b/index.html
index 471dfbe..eed7298 100644
--- a/index.html
+++ b/index.html
@@ -2,7 +2,7 @@
 
 <html lang="en">
 <head>
-    <meta charset="utf-8">
+    <meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=2.0, user-scalable=yes" />
     <title>智能节水净水花盆</title>
     <link rel="stylesheet" type="text/css" href="css.css">
 </head>
