gx

@@ -209,12 +209,16 @@ class BlogLogic extends BaseLogic
     public function paramProcessing($param){
         if(isset($this->param['id'])){
             $param['operator_id'] = $this->user['id'];
-            $param['category_id'] = ','.trim($param['category_id'],',').',';
+            if(isset($param['category_id']) && !empty($param['category_id'])){
+                $param['category_id'] = ','.trim($param['category_id'],',').',';
+            }
         }else{
             $param['create_id'] = $this->user['id'];
             $param['operator_id'] = $this->user['id'];
             $param['project_id'] = $this->user['project_id'];
-            $param['category_id'] = ','.$param['category_id'].',';
+            if(isset($param['category_id']) && !empty($param['category_id'])){
+                $param['category_id'] = ','.$param['category_id'].',';
+            }
         }
         return $this->success($param);
     }