diff --git a/components/table/demo/ajax.md b/components/table/demo/ajax.md
index a32adb0d2b..157eb3a7d8 100644
--- a/components/table/demo/ajax.md
+++ b/components/table/demo/ajax.md
@@ -35,6 +35,7 @@ var dataSource = new Table.DataSource({
   resolve: function(result) {
     return result.data;
   },
+  data: {},
   // 和后台接口返回的分页数据进行适配
   getPagination: function(result) {
     return {
diff --git a/components/table/index.jsx b/components/table/index.jsx
index e3f083947e..2bf60bba8b 100644
--- a/components/table/index.jsx
+++ b/components/table/index.jsx
@@ -31,7 +31,7 @@ class DataSource {
   }
 
   clone(config = {}) {
-    return new DataSource(objectAssign(config, this.config));
+    return new DataSource(objectAssign({}, this.config, config));
   }
 }