update

app/Http/Controllers/Admin/OtherController.php

@@ -233,7 +233,11 @@ class OtherController extends CommonController
         $calendar = Calendar::where(function ($query) use ($start_date, $end_date) {
             $query->whereBetween('start_time', [$start_date, $end_date])
                 ->orWhereBetween('end_time', [$start_date, $end_date]);
-        })->whereIn('course_id', $courses->pluck('id'));
+        })->where(function ($query) use ($start_date, $courses) {
+            if ($start_date != CourseType::START_DATE) {
+                $query->whereIn('course_id', $courses->pluck('id'));
+            }
+        });
         $list['course_total'] = (clone $calendar)->count();
         // 开课天数
         $list['course_day_total'] = (clone $calendar)->where('is_count_days', 1)->sum('days');