diff --git a/app/Http/Controllers/Admin/CourseController.php b/app/Http/Controllers/Admin/CourseController.php
index 479423e..2ecc06c 100755
--- a/app/Http/Controllers/Admin/CourseController.php
+++ b/app/Http/Controllers/Admin/CourseController.php
@@ -112,12 +112,13 @@ class CourseController extends BaseController
                         if (!isset($key) || !isset($op) || !isset($value)) {
                             continue;
                         }
-//                        if ($key == 'start_date') {
-//                            list($from, $to) = explode(',', $value);
-//                            $query->where(function ($q) use ($from, $to) {
-//                                $q->whereBetween('start_date', [$from, $to])->orWhereBetween('end_date', [$from, $to]);
-//                            });
-//                        }
+                        if ($key == 'start_date') {
+                            list($from, $to) = explode(',', $value);
+                            $query->where(function ($q) use ($from, $to) {
+                                $q->whereBetween('start_date', [$from, $to])->orWhereBetween('end_date', [$from, $to]);
+                            });
+                            continue;
+                        }
 
                         // 等于
                         if ($op == 'eq') {