update

app/Http/Controllers/Admin/OtherController.php

@@ -707,9 +707,9 @@ class OtherController extends CommonController
                 // 开课场次明细 - 与coursesHome算法一致
                 $calendars = Calendar::whereBetween('date', [$start_date, $end_date])
                     ->where(function ($query) use ($course_ids) {
-                        $course_type_id = request('course_type_id', '');
-                        $course_type_id = explode(',', $course_type_id);
+                        $course_type_id = request('course_type_id');
                         if ($course_type_id) {
+                            $course_type_id = explode(',', $course_type_id);
                             $query->whereIn('course_type_id', $course_type_id);
                         }
                     })->with('course')
@@ -740,8 +740,10 @@ class OtherController extends CommonController
                 // 开课天数明细 - 与coursesHome算法一致
                 $calendars = Calendar::whereBetween('date', [$start_date, $end_date])
                     ->where(function ($query) use ($course_ids) {
-                        if (request('course_type_id')) {
-                            $query->whereIn('course_type_id', request('course_type_id'));
+                        $course_type_id = request('course_type_id');
+                        if ($course_type_id) {
+                            $course_type_id = explode(',', $course_type_id);
+                            $query->whereIn('course_type_id', $course_type_id);
                         }
                     })->where('is_count_days', 1)
                     ->with('course')