商家null-BUG

application/admin/controller/Project.php

@@ -148,7 +148,6 @@ class Project extends AuthBase
             $old_banners = json_decode($project_info['banners_native']);
             $old_poster = $project_info['poster'];
             $old_kf_qrcode = $project_info['kf_qrcode'];
-
             //如果是商家则保存客服二维码
             if ($data['type'] == 2) {
                 if (input('file.kf_qrcode')) {
@@ -179,6 +178,13 @@ class Project extends AuthBase
                 $data['banners'] = json_encode(array_merge($banners, $old_banners));
             }
 
+            //去除null
+            foreach($data as $k=>$v){
+                if($v==='null'){
+                    unset($data[$k]);
+                }
+            }
+
             //写入数据库
             $res = $this->project_model->save($data, ['id' => $id]);
             if ($res) {