优化定时任务

@@ -294,10 +294,11 @@ class Study extends Backend
     public function down()
     {
         $id = input('id');
-        $res = \app\admin\model\Study::where('id', $id)->update(['down' => 1]);
-        if ($res !== false) {
         $this->success('');
-        }
+//        $res = \app\admin\model\Study::where('id', $id)->update(['down' => 1]);
+//        if ($res) {
+//            $this->success('');
+//        }
     }
 
 

@@ -23,7 +23,7 @@ class Crontab extends Api
     public function index()
     {
         //查询未生成的条形码
-        $id = db('study')->where('barcode', '')->limit(10)->column('id');
+        $id = db('study')->where('generate', 0)->limit(10)->column('id');
         foreach ($id as $k => $v){
             $res = str_pad($v, 8, "0", STR_PAD_LEFT);
             $barpath = Resource::StudyBar($res);
@@ -31,7 +31,8 @@ class Crontab extends Api
                 ->where('id',$v)
                 ->update([
                     'barcode' => $barpath,
-                    'unique' => $res
+                    'unique' => $res,
+                    'generate'=>1
                 ]);
         }
     }