diff --git a/build/lib/dragColumn.js b/build/lib/dragColumn.js
index 43af93f..1f9fdd9 100644
--- a/build/lib/dragColumn.js
+++ b/build/lib/dragColumn.js
@@ -109,7 +109,7 @@ function dragColumn(Table) {
         });
         var _columns = columns.sort((0, _util.compare)('dragIndex'));
         _this.setState({
-          columns: JSON.parse(JSON.stringify(_columns))
+          columns: _columns.slice()
         });
         if (_this.props.onDrop) {
           _this.props.onDrop(event, data);
diff --git a/package.json b/package.json
index 373137b..f1ae661 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "bee-table",
- "version": "1.4.17",
+ "version": "1.4.18",
  "description": "Table ui component for react",
  "keywords": [
   "react",