fix

server-db/src/main/java/cn/exploring/engine/server/db/service/StudentInfoService.java

@@ -63,6 +63,10 @@ public class StudentInfoService {
      * @return
      */
     public Object updateStudentInfo(StudentInfo studentInfo) {
+        StudentInfo studentInfo1 = selectStudentInfoByUniqueId(studentInfo.getStudentUniqueId());
+        if (studentInfo1 != null && !studentInfo1.getId().equals(studentInfo.getId())) {
+            return "Fail 学号重复！ 请重新输入学号";
+        }
         studentInfo.setUpdateTime(LocalDateTime.now());
         studentInfoMapper.updateByPrimaryKey(studentInfo);
         return "OK 修改成功";