diff --git a/app/Http/Controllers/Admin/OtherController.php b/app/Http/Controllers/Admin/OtherController.php
index 085564e..fd8f172 100755
--- a/app/Http/Controllers/Admin/OtherController.php
+++ b/app/Http/Controllers/Admin/OtherController.php
@@ -232,8 +232,7 @@ class OtherController extends CommonController
         // 开课场次
         $calendar = Calendar::whereIn('course_id', $courses->pluck('id'))
             ->where(function ($query) use ($start_date, $end_date) {
-                $query->whereBetween('date', [$start_date, $end_date])
-                    ->orWhereBetween('date', [$start_date, $end_date]);
+                $query->whereBetween('date', [$start_date, $end_date]);
             })->get();
         $list['course_total'] = $calendar->count();
         // 开课天数