diff --git a/server/gameserver/player.h b/server/gameserver/player.h
index 32ed027..cd55716 100644
--- a/server/gameserver/player.h
+++ b/server/gameserver/player.h
@@ -22,7 +22,6 @@ class Player : public Human
 
  public:
     int team_mode = 0;
-    int player_count = 0;
     bool auto_fill = false;
     bool use_touch = false;
     long long create_tick = 0;
diff --git a/server/gameserver/playermgr.cc b/server/gameserver/playermgr.cc
index f6932b9..97a2e8a 100644
--- a/server/gameserver/playermgr.cc
+++ b/server/gameserver/playermgr.cc
@@ -47,7 +47,6 @@ Player* PlayerMgr::CreatePlayerByCMJoin(long ip_saddr, int socket, const cs::CMJ
     hum->health = 0;
     hum->team_uuid = msg.team_uuid();
     hum->team_mode = msg.team_mode();
-    hum->player_count = msg.player_count();
     hum->auto_fill = msg.auto_fill();
     hum->use_touch = msg.use_touch();
     hum->avatar_url = msg.avatar_url();
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index facaf89..31bc5b1 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -47,6 +47,12 @@ package cs;
   客户端可以根据protobuf反射得到字段名和字段id的对应关系做到自动化判断
 */
 
+//常量
+enum Constant_e
+{
+    ProtoVersion = 2019071501; //系统版本
+}
+
 //心跳
 message CMPing
 {
@@ -88,6 +94,23 @@ message MFVector2D
     optional float y = 2; //y轴
 }
 
+//属性变更
+/*
+  property_type: 1 血量
+  property_type: 2 最大血量
+  property_type: 3 库存
+     property_subtype: 库存数组索引
+  property_type: 4 技能cd时间（剩余时间）
+  property_type: 5 技能cd时间（总时间）
+ */
+message MFPropertyChg
+{
+    optional int32 obj_id = 1; //对象id
+    optional int32 property_type = 2; //属性类型
+    optional int32 property_subtype = 3; //属性子类型
+    optional float value = 4; //属性值
+}
+
 //地图物件
 message MFMapObject
 {
@@ -586,7 +609,7 @@ message CMJoin
     optional string team_uuid = 2; //队伍唯一id (没组队时为空字符串)
     optional string account_id = 3; //账号id account_id
     optional int32 team_mode = 4; //队伍模式 0:单人 1:多人
-    optional int32 player_count = 5; //玩家数(单人时为1)
+    optional int32 proto_version = 5; //协议版本号Constant_e.ProtoVersion
     optional bool auto_fill = 6; //是否自动填充玩家
     optional int32 bot = 7; //是否机器人
     optional string name = 8; //角色名
@@ -730,6 +753,7 @@ message SMUpdate
     repeated MFEmote emotes = 23; //表情
     optional MFAirDrop airdrop = 26; //空投
     optional MFPlane plane = 27; //飞机
+    repeated MFPropertyChg chged_property_list = 31; //property变更列表
 }
 
 //滚动消息