fix column add and update

Helius

2022-07-04 e909dc0c8bda991895dac5811a01ffe526c28eb0

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package com.xcong.farmer.cms.netty;
 
/**
 * @author wzy
 * @date 2019-05-06
 */
public interface ChatServer {
    void start() throws  Exception;
 
    void shutdown();
}