diff --git a/src/components/Echarts/tpl.html b/src/components/Echarts/tpl.html
index b45a906..313dc55 100644
--- a/src/components/Echarts/tpl.html
+++ b/src/components/Echarts/tpl.html
@@ -3,6 +3,7 @@
   <head>
     <title>echarts</title>
     <meta http-equiv="content-type" content="text/html; charset=utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">    
     <style type="text/css">
       html,body {
         height: 100%;
