src/main/java/com/genersoft/iot/vmp/service/impl/UserServiceImpl.java
@@ -34,7 +34,9 @@ @Override public int addUser(User user) { User userByUsername = userMapper.getUserByUsername(user.getUsername()); if (userByUsername != null) return 0; if (userByUsername != null) { return 0; } return userMapper.add(user); } @Override