diff --git a/src/main/java/com/xujie/modules/sys/service/impl/SysUserServiceImpl.java b/src/main/java/com/xujie/modules/sys/service/impl/SysUserServiceImpl.java
index a4f04b3..65c3822 100644
--- a/src/main/java/com/xujie/modules/sys/service/impl/SysUserServiceImpl.java
+++ b/src/main/java/com/xujie/modules/sys/service/impl/SysUserServiceImpl.java
@@ -92,6 +92,12 @@ public class SysUserServiceImpl extends ServiceImpl<SysUserDao, SysUserEntity> i
 	@Override
 	@Transactional
 	public void saveUser(SysUserEntity user) {
+		// 用户账号全局唯一校验 - rqrq
+		user.setUsername(StringUtils.trim(user.getUsername()));
+		SysUserEntity existedUser = baseMapper.queryByUserName(user.getUsername());
+		if (existedUser != null) {
+			throw new RuntimeException("用户账号已有重复存在！");
+		}
 		// 默认工厂必填校验 - rqrq
 		if (StringUtils.isBlank(user.getSite())) {
 			throw new RuntimeException("默认工厂不能为空");