docs(checkin): 更新接口文档注释和调整样式间距

更新checkin.js接口文档注释，添加缺失的参数说明
调整checkinPage.vue中日期触发器的内边距和间隙样式

 /*
  * @Date: 2025-06-06 09:26:16
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-12-12 21:15:25
+ * @LastEditTime: 2025-12-13 21:13:42
  * @FilePath: /mlaj/src/api/checkin.js
  * @Description: 签到模块相关接口
  */
@@ -155,6 +155,8 @@ export const  checkinTaskReviewAPI = (params) => fn(fetch.post(Api.CHECKIN_TEACH
  * @param grade_id 年级ID
  * @param class_id 班级ID
  * @param group_id 课程ID
+ * @param id 大作业ID
+ * @param subtask_id 小作业ID
  * @param month 月份
  * @param keyword 搜索
  * @returns data: { my_checkin_dates 已打卡日期列表 }

 <!--
   * @Date: 2025-05-29 15:34:17
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-12-11 22:03:52
+ * @LastEditTime: 2025-12-13 21:19:36
  * @FilePath: /mlaj/src/views/teacher/checkinPage.vue
   * @Description: 文件描述
 -->
@@ -722,14 +722,14 @@ const handleAdd = (type) => {
 
 .date-trigger {
   background-color: #fff;
-  padding: 1rem;
+  padding: 0.5rem;
   text-align: center;
   cursor: pointer;
   border-bottom: 1px solid #eee;
   display: flex;
   align-items: center;
   justify-content: center;
-  gap: 0.5rem;
+  // gap: 0.5rem;
   flex-direction: column;
 
   .current-date {