diff --git a/danmu/danmaku/_173.proto b/danmu/danmaku/_173.proto
new file mode 100644
index 0000000..e653ffe
--- /dev/null
+++ b/danmu/danmaku/_173.proto
@@ -0,0 +1,139 @@
+syntax = "proto2";
+package YiQishanPack;
+
+message CSHead {
+    optional uint32 command = 1;
+    optional uint32 subcmd = 2;
+    optional uint32 seq = 3;
+    optional bytes uuid = 4;
+    optional uint32 clientType = 5;
+    optional uint32 headFlag = 6;
+    optional uint32 clientVer = 7;
+    optional bytes signature = 8;
+    optional uint32 routeKey = 9;
+}
+
+message TCPAccessReq {
+    optional bytes AccessToken = 1;
+    optional bytes MachineCode = 2;
+}
+
+message TcpHelloReq {
+    optional string uuid = 1;
+}
+
+message EnterRoomReq {
+    optional bytes uuid = 1;
+    optional bytes roomid = 2;
+    optional uint32 neednum = 3;
+    optional bool isfake = 4;
+    optional bool needbroadcast = 5;
+    optional bytes nick = 6;
+    optional bytes clientip = 7;
+    optional bytes subroomid = 8;
+    optional uint32 gameid = 10;
+}
+
+message RoomHelloReq {
+    optional bytes uuid = 1;
+    optional bytes roomid = 2;
+    optional bytes roomsig = 3;
+    optional uint32 connsvrip = 4;
+    optional bool isinternal = 5;
+    optional bytes subroomid = 6;
+}
+
+message Token {
+    optional string uuid = 1;
+    optional bytes gtkey = 2;
+    optional uint32 ip = 3;
+    optional uint32 expiresstime = 4;
+    optional uint32 gentime = 5;
+}
+
+message PublicChatNotify {
+    optional bytes roomid = 1;
+    optional bytes uuid = 2;
+    optional bytes nick = 3;
+    optional ChatInfo info = 4;
+    optional bytes touuid = 5;
+    optional bytes tonick = 6;
+    optional uint32 privilege = 7;
+    optional uint32 rank = 8;
+    optional uint32 fromgame = 9;
+    optional bytes gameid = 10;
+    repeated BadgeType badges = 11;
+    optional RoomUserInfo userinfo = 12;
+    optional bool isnoble = 13;
+    optional uint32 noblelevelid = 14;
+    optional string noblelevelname = 15;
+    optional bool isnoblemessage = 16;
+}
+
+enum BadgeType {
+    NOBARRAGE = 0;
+    FIRST_CHARGE_BADGE = 1;
+    FIRST_CHARGE_COPPER = 2;
+    FIRST_CHARGE_SLIVER = 3;
+    FIRST_CHARGE_GOLD = 4;
+}
+
+message ChatInfo {
+    optional uint32 chattype = 1;
+    optional bytes textmsg = 2;
+}
+
+message RoomUserInfo {
+    optional bytes uuid = 1;
+    optional bytes nick = 2;
+    optional uint32 weekartistconsume = 3;
+    optional uint32 artisttotalconsume = 4;
+    optional uint32 totalconsume = 5;
+    optional uint32 guardendtime = 6;
+    optional uint32 peerageid = 7;
+}
+
+message GiftNotyInfo {
+    optional bytes roomid = 1;
+    optional bytes giftid = 2;
+    optional uint32 giftcnt = 3;
+    optional bytes fromuuid = 4;
+    optional bytes fromnick = 5;
+    optional bytes touuid = 6;
+    optional bytes tonick = 7;
+    optional uint32 consume = 8;
+    optional bytes sessid = 9;
+    optional uint32 hits = 10;
+    optional uint32 hitsall = 11;
+    optional uint32 flag = 12;
+    optional uint32 fromviplevel = 13;
+    optional uint32 fanslevel = 14;
+    optional bool fromisnoble = 15;
+    optional uint32 fromnoblelevelid = 16;
+}
+
+message NotifyFreeGift {
+    optional bytes uuid = 1;
+    optional bytes fromnick = 2;
+    optional bytes touuid = 3;
+    optional bytes tonick = 4;
+    optional bytes roomid = 5;
+    optional uint32 giftid = 6;
+    optional uint32 giftcnt = 7;
+    optional uint32 fromviplevel = 8;
+    optional uint32 fanslevel = 9;
+    optional bool fromisnoble = 11;
+    optional uint32 fromnoblelevelid = 12;
+}
+
+message SendBroadcastPkg {
+    optional bytes uuid = 1;
+    repeated BroadcastMsg broadcastmsg = 2;
+
+    message BroadcastMsg {
+        optional uint32 businesstype = 1;
+        optional bytes title = 2;
+        optional bytes content = 3;
+        optional uint32 msgseq = 4;
+    }
+}