diff --git a/app/admin/controller/api/Upload.php b/app/admin/controller/api/Upload.php
index 81750f653..3ff14aa1f 100644
--- a/app/admin/controller/api/Upload.php
+++ b/app/admin/controller/api/Upload.php
@@ -29,6 +29,23 @@ use think\admin\storage\QiniuStorage;
 class Upload extends Controller
 {
 
+    /**
+     * 文件上传JS支持
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     */
+    public function index()
+    {
+        $data = ['exts' => []];
+        foreach (explode(',', sysconf('storage.allow_exts')) as $ext) {
+            $data['exts'][$ext] = Storage::mime($ext);
+        }
+        $template = realpath(__DIR__ . '/../../view/api/plugs/upload.js');
+        $data['exts'] = json_encode($data['exts'], JSON_UNESCAPED_UNICODE);
+        return view($template, $data)->contentType('application/x-javascript');
+    }
+
     /**
      * 上传安全检查
      * @login true
diff --git a/public/static/plugs/jquery/uploader.js b/app/admin/view/api/plugs/upload.js
similarity index 92%
rename from public/static/plugs/jquery/uploader.js
rename to app/admin/view/api/plugs/upload.js
index 1cb170141..515cace94 100644
--- a/public/static/plugs/jquery/uploader.js
+++ b/app/admin/view/api/plugs/upload.js
@@ -1,17 +1,15 @@
 define(['md5'], function (SparkMD5) {
+    var allowExtsMimes = JSON.parse('{$exts|raw}');
     return function (element, InitHandler, UploadedHandler) {
-        var exts = $(element).data('type') || '*';
+        var exts = [], mimes = [];
         var uptype = $(element).attr('data-uptype') || '';
         var multiple = $(element).attr('data-multiple') > 0;
+        var types = ($(element).data('type') || '').split(',');
+        for (var i in types) if (allowExtsMimes[types[i]]) {
+            mimes.push(allowExtsMimes[types[i]]), exts.push(types[i]);
+        }
 
-        // 检查可以上传的文件后缀
-        jQuery.ajax('?s=admin/api.upload/check', {
-            method: 'POST', data: {exts: exts, uptype: uptype}, success: function (ret, options) {
-                options = {exts: ret.data.exts, acceptMime: ret.data.mime, data: {}};
-                if (exts.indexOf('*') > -1) delete options.exts, delete options.acceptMime;
-                renderUploader(options)
-            }
-        });
+        renderUploader({exts: exts.join('|'), acceptMime: mimes.join(',')});
 
         // 初始化上传组件
         function renderUploader(options, headers, uploader) {
diff --git a/public/static/admin.js b/public/static/admin.js
index 80a2ca562..6f6b9e443 100644
--- a/public/static/admin.js
+++ b/public/static/admin.js
@@ -30,7 +30,7 @@ require.config({
         'md5': ['plugs/jquery/md5.min'],
         'json': ['plugs/jquery/json.min'],
         'michat': ['plugs/michat/michat'],
-        'upload': ['plugs/jquery/uploader'],
+        'upload': ['../admin/api.upload?.js'],
         'base64': ['plugs/jquery/base64.min'],
         'echarts': ['plugs/echarts/echarts.min'],
         'angular': ['plugs/angular/angular.min'],