update

5 months ago · 11c1a24c75
parent 5f42b62ded
commit 11c1a24c75
1 changed files with 1 additions and 1 deletions
--- a/app/Http/Controllers/Admin/CourseContentController.php
+++ b/app/Http/Controllers/Admin/CourseContentController.php
@ -82,7 +82,7 @@ class CourseContentController extends BaseController
                        }
                        // null搜索
                        if ($op == 'null') {
-                            $query->whereNull($key)->orWhereRaw('json_length(' . $key . ') =', 0);
+                            $query->whereNull($key)->orWhereRaw("json_length($key) = 0");
                        }
                        // notnull搜索
                        if ($op == 'notnull') {