fix 定时任务报错

app/common/service/SendMsgCronJobService.php

@@ -641,8 +641,10 @@ class SendMsgCronJobService
                     throw new Exception('未找到课程分配的学生');
                 }
 
+                var_dump($item->toArray());
+
                 $send_teacher_data = [
-                    'touser' => $item['teacherArr']['openid'],
+                    'touser' => $item['teacherAttr']['openid'],
                     'template_id' => 'yYw0jnlhjnq4AJ_CAlAghgGyV0bvbVHG-eV8TNC3REI',
                     'data' => [
                         'thing8' => [//课程名称
@@ -694,7 +696,7 @@ class SendMsgCronJobService
                 foreach ($student_info as $student) {
                     //通知学生
                     $send_teacher_data = [
-                        'touser' => $student['openid']->openid,
+                        'touser' => $student['openid'],
                         'template_id' => 'yYw0jnlhjnq4AJ_CAlAghgGyV0bvbVHG-eV8TNC3REI',
                         'data' => [
                             'thing8' => [//课程名称