diff --git a/src/ColumnManager.js b/src/ColumnManager.js
index f1bfbf7..bf9c41d 100644
--- a/src/ColumnManager.js
+++ b/src/ColumnManager.js
@@ -35,12 +35,24 @@ export default class ColumnManager {
     if(!showRowNum){
       return columns
     }
+    let { key, fixed, width, name, type, base } = showRowNum;
     let order = {
-      dataIndex: showRowNum.key || '_index',
+      dataIndex: key || '_index',
       key:'_index',
-      fixed:showRowNum.fixed || 'left',
-      width:showRowNum.width || 50,
-      title: showRowNum.name || '序号',
+      fixed:fixed || 'left',
+      width:width || 50,
+      title: name || '序号',
+      render:(text, record, index)=>{
+        switch( type ){
+          case 'ascii':{
+            return (String.fromCharCode((base || 'a').charCodeAt()) + index);
+          }
+          case 'number':
+          default:{
+            return ( (base || 0) + index);
+          }
+        }
+      }
     }
     if(columns.length > 0 && columns[0].dataIndex !== 'checkbox' && columns[0].dataIndex !== 'radio'){ // 多选表格/单选表格时放在第二列,其他情况放到第一列
       columns = [order].concat(columns);
diff --git a/src/Table.js b/src/Table.js
index 42d6e0a..a27acc9 100644
--- a/src/Table.js
+++ b/src/Table.js
@@ -691,23 +691,23 @@ class Table extends Component {
     const lazyEndIndex =  props.lazyLoad && props.lazyLoad.endIndex ?props.lazyLoad.endIndex :-1;
     for (let i = 0; i < data.length; i++) {
       let isHiddenExpandIcon;
-      if ( props.showRowNum ){
-        switch(props.showRowNum.type){
-          case 'number':{
-            data[i][props.showRowNum.key || '_index'] = (props.showRowNum.base || 0) + i;
-            break;
-          }
-          case 'ascii': {
-            data[i][props.showRowNum.key || '_index'] = String.fromCharCode(i + (props.showRowNum.base || '0').charCodeAt());
-            break;
-          }
-          default: {
-            data[i][props.showRowNum.key || '_index'] = (props.showRowNum.base || 0) + i;
-            break;
-          }
-        }
+      // if ( props.showRowNum ){
+      //   switch(props.showRowNum.type){
+      //     case 'number':{
+      //       data[i][props.showRowNum.key || '_index'] = (props.showRowNum.base || 0) + i;
+      //       break;
+      //     }
+      //     case 'ascii': {
+      //       data[i][props.showRowNum.key || '_index'] = String.fromCharCode(i + (props.showRowNum.base || '0').charCodeAt());
+      //       break;
+      //     }
+      //     default: {
+      //       data[i][props.showRowNum.key || '_index'] = (props.showRowNum.base || 0) + i;
+      //       break;
+      //     }
+      //   }
         
-      } 
+      // } 
       const record = data[i];
       const key = this.getRowKey(record, i);
       const childrenColumn = record[childrenColumnName];
diff --git a/src/lib/sort.js b/src/lib/sort.js
index 62fe5de..1e4a4bf 100644
--- a/src/lib/sort.js
+++ b/src/lib/sort.js
@@ -249,7 +249,20 @@ export default function sort(Table, Icon) {
       if (column.sorter || column.sortEnable ) {
         //大于0说明不是升序就是降序，判断orderNum有没有值，没有值赋值
         if ( column.sortEnable && !column.sorter) {
-          column.sorter = column.fieldType === 'number' ? this.numberSortFn(column.dataIndex) : this.defaultSortFn(column.dataIndex);
+          switch(column.fieldType){
+            case 'number':{
+              column.sorter = this.numberSortFn(column.dataIndex);
+              break;
+            }
+            case 'stringChinese':{
+              column.sorter = this.chineseSortFn(column.dataIndex);
+              break;
+            }
+            default:{
+              column.sorter = this.defaultSortFn(column.dataIndex);
+              break;
+            }
+          }
         }
         if (iconTypeIndex > 0 && !column.orderNum && mode == "multiple") {
           column.orderNum = this.getOrderNum();
@@ -286,6 +299,11 @@ export default function sort(Table, Icon) {
         return numberA >= numberB ? 1 : -1;
     }
 
+    // 中文比较函数，按拼音排序
+    chineseSortFn = (key) => (a, b)=>{
+      return a[key].localeCompare(b[key], 'zh-Hans-CN',{sensitivity: 'accent'});
+    } 
+
     _flatToColumn(flatColumns){
       const colLen = flatColumns.length;
       let parentIndex,rsColumns = [];