diff --git a/demo/demolist/Demo23.js b/demo/demolist/Demo23.js
index 2086efb..f64aa57 100644
--- a/demo/demolist/Demo23.js
+++ b/demo/demolist/Demo23.js
@@ -62,7 +62,7 @@ class Demo23 extends Component {
     draggable={true} 
     
     onDropBorder ={(e)=>{
-      console.log("调整列宽后触发事件");
+      console.log("调整列宽后触发事件",e.target);
     }}
     />;
   }
diff --git a/src/Table.js b/src/Table.js
index 3d4991f..09776e7 100644
--- a/src/Table.js
+++ b/src/Table.js
@@ -692,7 +692,7 @@ class Table extends Component {
       }
       return <col key={c.key} style={{ width: width, minWidth: c.width }} className={fixedClass}/>;
     }));
-    return <colgroup>{cols}</colgroup>;
+    return <colgroup id="bee-table-colgroup">{cols}</colgroup>;
   }
 
   renderDragHideTable = () => {
@@ -815,7 +815,7 @@ class Table extends Component {
       ) : null;
       let _drag_class = this.props.dragborder ? "table-drag-bordered" : ""
       return (
-        <table className={` ${tableClassName}  table-bordered ${_drag_class} `} style={tableStyle}  >
+        <table id="bee-table-uid" className={` ${tableClassName}  table-bordered ${_drag_class} `} style={tableStyle}  >
           {/* {this.props.dragborder?null:this.getColGroup(columns, fixed)} */}
           {this.getColGroup(columns, fixed)}
           {hasHead ? this.getHeader(columns, fixed) : null}