diff --git a/static/abc/index.html b/static/abc/index.html
index 7baefbb..b37ba19 100644
--- a/static/abc/index.html
+++ b/static/abc/index.html
@@ -18,5 +18,5 @@ function p() {
         n(m[i],t,t+=m[i+1]);
     }
 }
-document.write('<button onclick="p()">play</button>');
 </script>
+<button onclick="p()">play</button>