diff --git a/src/lib/multiSelect.js b/src/lib/multiSelect.js
index a2873de..b4e683b 100644
--- a/src/lib/multiSelect.js
+++ b/src/lib/multiSelect.js
@@ -8,7 +8,7 @@ import Checkbox from "bee-checkbox";
  * getSelectedDataFunc--function，能获取到选中的数据
  * 使用全选时得注意，data中的key值一定要是唯一值
  */
-module.exports = function multiSelect(Table) {
+export default function multiSelect(Table) {
   Array.prototype.indexOf = function(val) {
     for (var i = 0; i < this.length; i++) {
       if (this[i] == val) return i;
@@ -90,7 +90,7 @@ module.exports = function multiSelect(Table) {
         checkedObj: checkedObj,
         selIds: selIds
       });
-      if(typeof getSelectedDataFunc === 'function'){
+      if (typeof getSelectedDataFunc === "function") {
         getSelectedDataFunc(selIds);
       }
     };
@@ -150,4 +150,4 @@ module.exports = function multiSelect(Table) {
       return <Table {...this.props} columns={columns} />;
     }
   };
-};
+}
diff --git a/src/lib/sort.js b/src/lib/sort.js
index 22b360c..8d7abf1 100644
--- a/src/lib/sort.js
+++ b/src/lib/sort.js
@@ -3,7 +3,7 @@ import Icon from "bee-icon";
 
 /**
  * 参数：prefixCls，默认bee-table,用于设置图标的样式
- * @param {*} Table 
+ * @param {*} Table
  */
 export default function sort(Table) {
   return class Demo11 extends Component {
@@ -62,18 +62,18 @@ export default function sort(Table) {
           sortButton = (
             <div className={`${prefixCls}-column-sorter`}>
               <span
-                className={`${prefixCls}-column-sorter-up ${isAscend
-                  ? "on"
-                  : "off"}`}
+                className={`${prefixCls}-column-sorter-up ${
+                  isAscend ? "on" : "off"
+                }`}
                 title="↑"
                 onClick={() => this.toggleSortOrder("ascend", column)}
               >
                 <Icon type="uf-triangle-up" />
               </span>
               <span
-                className={`${prefixCls}-column-sorter-down ${isDescend
-                  ? "on"
-                  : "off"}`}
+                className={`${prefixCls}-column-sorter-down ${
+                  isDescend ? "on" : "off"
+                }`}
                 title="↓"
                 onClick={() => this.toggleSortOrder("descend", column)}
               >
diff --git a/src/lib/sum.js b/src/lib/sum.js
index ba8b21f..7d34ab2 100644
--- a/src/lib/sum.js
+++ b/src/lib/sum.js
@@ -8,7 +8,7 @@ let columns2 = {
   dataIndex: "showSum"
 };
 
-let sum = Table => {
+export default function sum(Table){
   return class SumTable extends React.Component {
     //无状态
     constructor(props) {
@@ -17,7 +17,7 @@ let sum = Table => {
     //合计数字列,并将计算所得数据存储到一个obj对象中
     currentFooter = () => {
       let data_2 = this.props.data;
-      let columns_sum = (this.props.columns).concat();
+      let columns_sum = this.props.columns.concat();
       let sumCol_index;
       //用一个对象存储合计数据，这里合计对象的属性对应每列字段
       for (let i = 0; i < columns_sum.length; i++) {
@@ -66,5 +66,3 @@ let sum = Table => {
     }
   };
 };
-
-export default sum;