diff --git a/app/controller/Task.php b/app/controller/Task.php
index 8058c4f..e1387e4 100644
--- a/app/controller/Task.php
+++ b/app/controller/Task.php
@@ -108,12 +108,6 @@ class Task extends BaseController
     public function save()
     {
         $params = $this->request->param();
-        $cache_name = md5($params);
-        if (Cache::get($cache_name)) {
-            $this->json_data['code'] = 0;
-            $this->json_data['msg'] = '表单已提交，请勿重复操作';
-            return json($this->json_data);
-        }
         Cache::set($cache_name, 1, 60);
         $type = $this->request->param('task_type', '0');
         $original_filename = $this->request->param('original_filename');
@@ -282,6 +276,12 @@ class Task extends BaseController
                 return json($this->json_data);
             }
         }
+        $cache_name = md5($params);
+        if (Cache::get($cache_name)) {
+            $this->json_data['code'] = 0;
+            $this->json_data['msg'] = '表单已提交，请勿重复操作';
+            return json($this->json_data);
+        }
         $action = [
             '1'=>'import',
             '2'=>'export',