diff --git a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java
index 94d478d7..b079ac39 100644
--- a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java
+++ b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseStudentSigninLogService.java
@@ -213,13 +213,16 @@ public class TeacherOpenCourseStudentSigninLogService extends CoreBaseService<Te
         Assert.isTrue(isMatchCourse, "未加入到该课程中，开课ID或学生ID有误！");
 
         switch (signinDTO.getTeacherOpenCourseStudentSigninLogType()) {
-            case ip_signin: { // IP签到
+            // IP签到
+            case ip_signin: {
                 ipSignInHandler(signinDTO, signinSetting);
             }break;
-            case manual_signin: { // 手动签到。教师端操作
+            // 手动签到。教师端操作
+            case manual_signin: {
                 manualSignInHandler(signinDTO, signinSetting);
             }break;
-            case code_signin: {  // 验证码签到
+            // 验证码签到
+            case code_signin: {
                 codeSignInHandler(signinDTO, signinSetting);
             }break;
             default: