diff --git a/components/table/index.jsx b/components/table/index.jsx
index 47c6407859..827576b856 100644
--- a/components/table/index.jsx
+++ b/components/table/index.jsx
@@ -17,7 +17,7 @@ function defaultResolve(data) {
 
 class DataSource {
   constructor(config) {
-    this.url = config.url || "";
+    this.url = config.url || '';
     this.resolve = config.resolve || defaultResolve;
     this.getParams = config.getParams || noop;
     this.getPagination = config.getPagination || noop;
@@ -471,4 +471,4 @@ var AntTable = React.createClass({
 
 AntTable.DataSource = DataSource;
 
-export default AntTable;
\ No newline at end of file
+export default AntTable;