syntax = "proto3";
package pb;

message C_FirstPacketCheck{
    required string package = 1;//包名
    required int64 timestamp = 2;//unix 时间戳，精确到秒
    required string sum = 3; //sum的计算方式为：MD5(package+string(timestamp)+ "asd1[;sd2'fsa1sx._=912sa1sas321asdqwz")
}