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

@@ -364,7 +364,7 @@ class ProjectUpdate extends Command
 
                                         if ($six_read) {
                                             //关联分类
-                                            if ($$category_arr) {
+                                            if ($category_arr) {
                                                 CategoryRelated::saveRelated($id, array_column($category_arr, 'id'));
                                             }