update

app/Http/Controllers/Admin/CalendarsController.php

@@ -54,7 +54,7 @@ class CalendarsController extends BaseController
         if ($validator->fails()) {
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
-        $list = Calendar::with('course', 'courseContent')->where('date', 'like', $all['month'] . '%')->orderBy('date')->get();
+        $list = Calendar::with('course', 'courseContent')->where('start_time', 'like', $all['month'] . '%')->orderBy('date')->get();
         return $this->success($list);
     }
 

app/Http/Controllers/Mobile/CourseController.php

@@ -867,9 +867,8 @@ class CourseController extends CommonController
                 if (isset($all['type'])) {
                     $query->where('type', $all['type']);
                 }
-            })
+            })->where('start_time', 'like', '%' . $all['month'] . '%')
             ->orderBy('start_time', 'asc')
-            ->where('start_time', 'like', '%' . $all['month'] . '%')
             ->get();
 
 //        $range = getDates($startDate, $endDate);