修改用户校验功能修改

security-center/src/main/java/com/lantone/security/facade/UserManagementFacade.java

@@ -113,7 +113,7 @@ public class UserManagementFacade {
         userQueryWrapper.eq("is_deleted", IsDeleteEnum.N.getKey());
         List<User> userList = userFacade.list(userQueryWrapper);
         if (userList.size() == 0) {
-            return null;
+            Asserts.fail("用户不存在！");
         }
         if (userList.size() > 1) {
             Asserts.fail("当前账号异常！");
@@ -195,7 +195,7 @@ public class UserManagementFacade {
         } else {
             User userTemp = userFacade.getById(user.getId());
             //用户名没有变动
-            if (!user.getUsername().equals(userTemp.getName())) {
+            if (!user.getUsername().equals(userTemp.getUsername())) {
                 if (userFacade.list(new QueryWrapper<User>()
                         .eq("username", user.getUsername())
                         .eq("is_deleted", IsDeleteEnum.N.getKey())).size() > 0) {