update

app/Http/Controllers/Admin/OtherController.php

@@ -234,10 +234,10 @@ class OtherController extends CommonController
             ->where(function ($query) use ($start_date, $end_date) {
                 $query->whereBetween('start_time', [$start_date, $end_date])
                     ->orWhereBetween('end_time', [$start_date, $end_date]);
-            })->get();
-        $list['course_total'] = $calendar->count();
+            });
+        $list['course_total'] = (clone $calendar)->count();
         // 开课天数
-        $list['course_day_total'] = $calendar->sum('days');
+        $list['course_day_total'] = (clone $calendar)->sum('days');
 
         // 上市公司数（所有上市公司）
         $list['company_market_total'] = Company::companyMarket($start_date, $end_date);