diff --git a/src/Table.scss b/src/Table.scss
index 7577be3..1494fba 100644
--- a/src/Table.scss
+++ b/src/Table.scss
@@ -76,7 +76,9 @@ $icon-color:#505F79;
     tr:last-child{
       border-bottom: 1px solid $table-th-bottom-border;
     }
-   
+    tr>th:last-child{
+      border-right: none;
+    }
   }
   tr {
     // transition: all 0.3s ease;
diff --git a/src/TableHeader.js b/src/TableHeader.js
index 618fda6..475f79e 100644
--- a/src/TableHeader.js
+++ b/src/TableHeader.js
@@ -152,6 +152,7 @@ class TableHeader extends Component {
       table.table = tableDome;
       table.cols = tableDome.getElementsByTagName("col");
       table.ths = tableDome.getElementsByTagName("th");
+      table.tr = tableDome.getElementsByTagName("tr");
     }
 
     table.fixedLeftHeaderTable = contentTable.querySelector('.u-table-fixed-left .u-table-header') ;
@@ -289,6 +290,10 @@ class TableHeader extends Component {
    */
   onLineMouseUp = (event) => {
     let width = this.drag.newWidth;
+    // const newTableWidth = this.drag.tableWidth + diff +'px';
+    // this.table.table.style.width  = newTableWidth;//同步table的width
+    // this.table.innerTableBody.style.width  = newTableWidth ;//同步改变table body 的width
+    // console.log(" --onLineMouseUp--- ");
     this.clearDragBorder(event);
     this.props.onDropBorder && this.props.onDropBorder(event,width);
   };
@@ -300,7 +305,7 @@ class TableHeader extends Component {
     this.clearDragBorder(event);
   };
 
-  clearDragBorder(){
+  clearDragBorder(){ 
     if(!this.drag || !this.drag.option)return;
     let {rows} = this.props;
     let data = {rows:rows[0],cols:this.table.cols,currIndex:this.drag.currIndex};
@@ -593,8 +598,9 @@ class TableHeader extends Component {
     let attr = dragborder ? { id: `u-table-drag-thead-${this.theadKey}` } : {};
     return (
       <thead className={`${clsPrefix}-thead`} {...attr} data-theader-fixed='scroll' ref={_thead=>this._thead = _thead} >
-        {rows.map((row, index) => (
-          <tr key={index} style={rowStyle} className={(filterable && index == rows.length - 1)?'filterable':''}>
+        {rows.map((row, index) => {
+          let _rowLeng = (row.length-1);
+          return(<tr key={index} style={rowStyle} className={(filterable && index == rows.length - 1)?'filterable':''}>
             {row.map((da, columIndex, arr) => {
               let thHover = da.drgHover
                 ? ` ${clsPrefix}-thead th-drag-hover`
@@ -642,11 +648,10 @@ class TableHeader extends Component {
                     thClassName += ` ${clsPrefix}-thead-th ${canDotDrag}`;
                   }
                   thClassName += ` ${fixedStyle}`;
-                 
-                if(!da.fixed){
+                if(!da.fixed && columIndex != _rowLeng){
              
                   return (<th {...da}  {...keyTemp} className={thClassName} data-th-fixed={da.fixed} 
-                        data-line-key={da.key} data-line-index={columIndex} data-th-width={da.width} >
+                        data-line-key={da.key} data-line-index={columIndex} data-th-width={da.width} data-row-leng="1111111111111" >
                               {da.children}
                               {
                                 dragborder ? <div ref={el => (this.gap = el)} data-line-key={da.key} 
@@ -665,7 +670,7 @@ class TableHeader extends Component {
               }
             })}
           </tr>
-        ))}
+        )})}
       </thead>
     );
   }
diff --git a/src/lib/dragColumn.js b/src/lib/dragColumn.js
index 2a44b20..bb896f4 100644
--- a/src/lib/dragColumn.js
+++ b/src/lib/dragColumn.js
@@ -1,6 +1,5 @@
 import React, { Component } from "react";
 import {compare,ObjectAssign} from './util';
-let cloneDeep = require('lodash.clonedeep');
 /**
  * 参数: 列拖拽
  * @param {*} Table
@@ -33,14 +32,6 @@ export default function dragColumn(Table) {
       return _column; 
     }
 
-   cloneDeep(obj){
-        if( typeof obj !== 'object' || Object.keys(obj).length === 0 ){
-            return obj
-        }
-        let resultData = {}
-        return this.recursion(obj, resultData)
-    }
-
     recursion(obj, data={}){
         for(key in obj){
             if( typeof obj[key] == 'object' && Object.keys(obj[key].length>0 )){
@@ -58,16 +49,7 @@ export default function dragColumn(Table) {
       let sourceIndex = -1,targetIndex = -1;
        
       sourceIndex =  columns.findIndex((da,i)=>da.key == dragSource.key);
-      targetIndex = columns.findIndex((da,i)=>da.key == dragTarg.key);
-      // for (let index = 0; index < columns.length; index++) {
-      //   const da = columns[index];
-      //   if(da.key === dragSource.key){
-      //     columns[index] = dragTargColum; 
-      //   }
-      //   if(da.key === dragTarg.key){
-      //     columns[index] = dragSourceColum;
-      //   }
-      // }
+      targetIndex = columns.findIndex((da,i)=>da.key == dragTarg.key); 
       // 向前移动
      if(targetIndex < sourceIndex){
       targetIndex = targetIndex + 1;
@@ -77,9 +59,6 @@ export default function dragColumn(Table) {
         0,
        columns.splice(sourceIndex, 1)[0]
       );
-      // this.setState({
-      //   columns:cloneDeep(columns)
-      // });
       let _newColumns = [];
       columns.forEach((da,i)=>{
         let newDate = Object.assign(da,{});
@@ -114,7 +93,6 @@ export default function dragColumn(Table) {
           onDrop,
           ...others
       } = this.props;
-      let key = new Date().getTime();
       return (
           <Table
               {...others}
@@ -128,7 +106,6 @@ export default function dragColumn(Table) {
               draggable={draggable}
               dragborder={dragborder}
               // dragborder={false}
-              dragborderKey={key}
           />)
     }
   };