diff --git a/src/global.d.ts b/src/global.d.ts
index 43df37e..70c79db 100644
--- a/src/global.d.ts
+++ b/src/global.d.ts
@@ -204,8 +204,9 @@ declare module "colyseus" {
          * 更新玩家血量
          * @param dstplayer
          * @param hp
+         * @param reason
          */
-        updateHp(dstplayer: string, hp: number): number;
+        updateHp(dstplayer: string, hp: number, reason?: string): number;
 
         /**
          * 更新随从信息
diff --git a/src/rooms/RoomExtMethod.ts b/src/rooms/RoomExtMethod.ts
index 3c0f262..404c8ed 100644
--- a/src/rooms/RoomExtMethod.ts
+++ b/src/rooms/RoomExtMethod.ts
@@ -103,7 +103,7 @@ Object.defineProperties(Room.prototype, {
         }
     },
     updateHp: {
-        value: function (dstplayer: string, hp: number): number {
+        value: function (dstplayer: string, hp: number, reason?: string): number {
             let player = this.state.players.get(dstplayer);
             if (!player) {
                 error(`updateHp 未找到玩家 ${dstplayer}`);
@@ -113,7 +113,7 @@ Object.defineProperties(Room.prototype, {
                 return 0;
             } else {
                 let dstHp = player.hp + (hp | 0);
-                debugRoom(`更新血量: ${player.id}  ${player.hp} -> ${hp}`);
+                debugRoom(`更新血量: ${player.id}  ${player.hp} -> ${hp}, reason: ${reason}`);
                 if (dstHp <= 0) {
                     dstHp = 0;
                     this.dispatcher.dispatch(new PlayDeadCommand(), {player: player});