fix typo and broken url

Dectinc Chen

2021-04-16 681351d74040d64024c924a6d7da4e17b96d6a38

 src/main/java/com/genersoft/iot/vmp/service/impl/UserServiceImpl.java

@@ -24,4 +24,9 @@
        user.setPassword(password);
        return userMapper.update(user) > 0;
    }

    @Override
    public User getUserByUsername(String username) {
        return userMapper.getUserByUsername(username);
    }
}