diff --git a/docs/table/detail/options.ajax.md b/docs/table/detail/options.ajax.md
index 27a0989b..16ce579b 100644
--- a/docs/table/detail/options.ajax.md
+++ b/docs/table/detail/options.ajax.md
@@ -140,6 +140,50 @@ table.render({
 该函数非常实用
 
 
+</td>
+    </tr>
+    <tr>
+<td>
+
+[**ajax**](#options.ajax) <sup>2.12+</sup>
+
+</td>
+<td>
+
+<div class="ws-anchor" id="options.ajax">
+  自定义 ajax 请求，用于发送异步请求。
+</div>
+
+```js
+table.render({
+  // 自定义 ajax 请求
+  // origOptions - 包含了原始的请求参数
+  // type - 执行 ajax 请求的来源，'table' 或 'treeNodes'
+  ajax: function (origOptions, type) {
+    $.ajax({
+      url: origOptions.url,
+      data: origOptions.data,
+      dataType: origOptions.dataType,
+    })
+    .done(function (data) {
+      // 调用原始的 success 回调
+      origOptions.success(data);
+    })
+    .fail(function (xhr, status, error) {
+      // 调用原始的 error 回调
+      origOptions.error(xhr, status, error);
+    })
+    .always(function () {
+      // 调用原始的 complete 回调
+      if (typeof origOptions.complete === "function") {
+        origOptions.complete(); 
+      }
+    });
+  }
+});
+
+```
+
 </td>
     </tr>
   </tbody>
diff --git a/src/modules/table.js b/src/modules/table.js
index 7cb3e2aa..1439911f 100644
--- a/src/modules/table.js
+++ b/src/modules/table.js
@@ -1196,12 +1196,7 @@ layui.define(['lay', 'laytpl', 'laypage', 'form', 'util'], function(exports) {
 
       that.loading(true);
 
-      // 4：代表响应已完成
-      if (that._xhr && that._xhr.readyState !== 4) {
-        that._xhrAbort = true;
-        that._xhr.abort();
-      }
-      that._xhr = $.ajax({
+      var ajaxOptions = {
         type: options.method || 'get',
         url: options.url,
         contentType: options.contentType,
@@ -1249,7 +1244,18 @@ layui.define(['lay', 'laytpl', 'laypage', 'form', 'util'], function(exports) {
           that.errorView('请求异常，错误提示：'+ msg);
           typeof options.error === 'function' && options.error(e, msg);
         }
-      });
+      };
+
+      if(options.ajax){
+        options.ajax(ajaxOptions, 'table');
+      }else{
+        // 4：代表响应已完成
+        if (that._xhr && that._xhr.readyState !== 4) {
+          that._xhrAbort = true;
+          that._xhr.abort();
+        }
+        that._xhr = $.ajax(ajaxOptions);
+      }
     } else if(layui.type(options.data) === 'array'){ //已知数据
       res = {};
       var startLimit = curr*options.limit - options.limit;
diff --git a/src/modules/treeTable.js b/src/modules/treeTable.js
index df9d6d5d..2f12ce73 100644
--- a/src/modules/treeTable.js
+++ b/src/modules/treeTable.js
@@ -711,7 +711,7 @@ layui.define(['table'], function (exports) {
           var asyncParseData = asyncSetting.parseData || options.parseData;
           var asyncResponse = asyncSetting.response || options.response;
 
-          $.ajax({
+          var ajaxOptions = {
             type: asyncType || 'get',
             url: asyncUrl,
             contentType: asyncContentType,
@@ -742,7 +742,14 @@ layui.define(['table'], function (exports) {
               // 异常处理 todo
               typeof options.error === 'function' && options.error(e, msg);
             }
-          });
+          }
+
+          if(options.ajax){
+            options.ajax(ajaxOptions, 'treeNodes')
+          }else{
+            $.ajax(ajaxOptions);
+          }
+
           return retValue;
         }
         trExpanded = trData[LAY_HAS_EXPANDED] = true;