pub const CMD_QOT_PULL_STATIC_INFO: u16 = 6747;
CMD 6747: NN_ProtoCmd_Qot_Pull_StaticInfo
拉一组 stock_id 的最新静态信息 (CSStockItem), 用于期货主连合约 ReqMainLinkContract 路径返当前主力合约真实 stock_id + code.