学生签到日志配置类，增加验证功能

web/src/main/java/com/ibeetl/jlw/web/query/TeacherOpenCourseStudentSigninSettingQuery.java

@@ -74,6 +74,9 @@ public class TeacherOpenCourseStudentSigninSettingQuery extends PageParam {
         return pojo;
     }
 
+    /**
+     * 尝试 用断言去验证属性是否符合系统的要求
+     */
     public void tryToValidTeacherOpenCourseStudentSigninSettingValue() {
         if(StringUtils.isNotBlank(this.teacherOpenCourseStudentSigninSettingValue)) {
             return;