From 3dc1c08ac371052e92d7de2bdf949a64b6c00858 Mon Sep 17 00:00:00 2001
From: Saturneric <eric.bktu@gmail.com>
Date: Tue, 17 Mar 2020 18:57:19 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=B3=A8=E5=86=8C=E6=8E=A5?=
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---
 .../com/codesdream/ase/controller/RegisterController.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/com/codesdream/ase/controller/RegisterController.java b/src/main/java/com/codesdream/ase/controller/RegisterController.java
index acfd087..77b126b 100644
--- a/src/main/java/com/codesdream/ase/controller/RegisterController.java
+++ b/src/main/java/com/codesdream/ase/controller/RegisterController.java
@@ -67,7 +67,12 @@ public class RegisterController {
 
         // 检查用户的基本信息是否录入系统
         if(!baseInformationService.checkStudentInfo(student_id))
+            return quickJSONRespond.getRespond500("StudentID Base Information Not Found");
+
+        // 检查学号是否已被注册
+        if(userService.checkIfUserExists(userService.getUsernameByStudentId(student_id)).getKey()){
             return quickJSONRespond.getRespond500("StudentID Already Used");
+        }
 
         // 查找对应的基本信息
         BaseStudentInfo studentInfo = baseInformationService.findStudentInfoByStudentId(student_id);