ConsistencyProtocol 類：
package com.alibaba.nacos.consistency; import com.alibaba.nacos.consistency.entity.ReadRequest; import com.alibaba.nacos.consistency.entity.Response; import com.alibaba.nacos.consistency.entity.WriteRequest;
下載了nacos源碼但是編譯時候報錯了，原因是內部缺少了entity這個包下得類，看源碼壓根沒有這個包
