Merge branch 'master' of http://47.244.231.31:8099/zhl/globalso-v6

@@ -625,8 +625,8 @@ class ProjectUpdate extends Command
                                             }
 
                                             //扩展字段
-                                            if ($item['extend'][0] ?? []) {
-                                                foreach ($item['extend'][0] as $ke => $ve) {
+                                            if ($item['extend'] ?? []) {
+                                                foreach ($item['extend'] as $ke => $ve) {
                                                     $extend = $extend_model->read(['title' => $ke]);
                                                     if ($extend) {
                                                         $extend_info = $extend_info_model->read(['key' => $extend['key'], 'content_id' => $id]);