更换播放器， 修正和优化sql脚本，

64850858

2021-07-14 e48ef997c03b49c8090970f5fbb29ce80b0ac6df

 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);
    }
}