modify demo

carsonxu · carsonxu · commit 595d7c290db5 · 2017-05-31T18:23:46.000+08:00
diff --git a/demo/demo.js b/demo/demo.js
@@ -202,7 +202,6 @@ function headObject() {
     });
 }
 
-var util = require('util');
 function getObjectACL() {
     cos.getObjectACL({
         Bucket: config.Bucket,
