后台功能修改

@@ -183,7 +183,7 @@ class Study extends Backend
             $unique = time();
             $brpath = Resource::StudyBar($unique);
             $time = date('YmdHi',time());
-            $this->model->save(['barcode'=>$brpath],['sno'=>$time],['id'=>$id]);
+            $this->model->save(['barcode'=>$brpath,'sno'=>$time,'unique'=>$time],['id'=>$id]);
             Db::commit();
         } catch (ValidateException|PDOException|Exception $e) {
             Db::rollback();

@@ -49,12 +49,6 @@
         </div>
     </div>
     <div class="form-group">
-        <label class="control-label col-xs-12 col-sm-2">{:__('Sno')}:</label>
-        <div class="col-xs-12 col-sm-8">
-            <input id="c-sno" class="form-control" name="row[sno]" type="text">
-        </div>
-    </div>
-    <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Team_id')}:</label>
         <div class="col-xs-12 col-sm-8">
             <input id="c-team_id" data-rule="required" data-source="team/index" class="form-control selectpage" data-field="title" name="row[team_id]" type="text" value="">