diff --git a/src/rooms/GeneralRoom.ts b/src/rooms/GeneralRoom.ts
index 2c8f479..7347671 100644
--- a/src/rooms/GeneralRoom.ts
+++ b/src/rooms/GeneralRoom.ts
@@ -19,22 +19,22 @@ export class GeneralRoom extends Room {
   onCreate (options: any) {
     this.setState(new CardGameState());
     this.state.gameSate = 0;
-    this.onMessage("play_ready", (client, message) => {
+    this.onMessage("play_ready_c2s", (client, message) => {
       console.log('play_ready from ', client.sessionId, message);
       this.dispatcher.dispatch(new PlayReadyCommand(), {client});
     });
 
-    this.onMessage("discard_card", (client, message) => {
+    this.onMessage("discard_card_c2s", (client, message) => {
       console.log('discard_card from ', client.sessionId, message);
       this.dispatcher.dispatch(new DiscardCommand(), {client, cards: message.cards});
     });
 
-    this.onMessage("give_up_take", (client, message) => {
+    this.onMessage("give_up_take_c2s", (client, message) => {
       console.log('give_up_take from ', client.sessionId, message);
       this.dispatcher.dispatch(new NextSubCommand(), {});
     });
 
-    this.onMessage("select_pet", (client, message) => {
+    this.onMessage("select_pet_c2s", (client, message) => {
       console.log('select_pet from ', client.sessionId, message);
       this.dispatcher.dispatch(new SelectPetCommand(), {client, cardId: message.cardId});
     });
diff --git a/src/rooms/commands/DrawCommand.ts b/src/rooms/commands/DrawCommand.ts
index 0527e57..675b1f3 100644
--- a/src/rooms/commands/DrawCommand.ts
+++ b/src/rooms/commands/DrawCommand.ts
@@ -19,6 +19,6 @@ export class DrawCommand extends Command<CardGameState, {}> {
             curPlayer.cards.set(card.id, card);
             curPlayer.cardSet.add(card.id);
         }
-        curClient.send('draw_card', cards);
+        curClient.send('draw_card_s2c', cards);
     }
 }
diff --git a/src/rooms/commands/PlayReadyCommand.ts b/src/rooms/commands/PlayReadyCommand.ts
index 4ab7ea3..ee9bd7a 100644
--- a/src/rooms/commands/PlayReadyCommand.ts
+++ b/src/rooms/commands/PlayReadyCommand.ts
@@ -10,7 +10,7 @@ export class PlayReadyCommand extends Command<CardGameState, {
 
     execute({ client } : {client: Client}) {
         this.state.players.get(client.sessionId).state = 1;
-        this.room.broadcast("player_ready", {player: client.sessionId}, {except: client});
+        this.room.broadcast("player_ready_s2c", {player: client.sessionId}, {except: client});
         let readyCount = 0;
         for (let [sessionId, player] of this.state.players) {
             if (player.state === 1) {
@@ -29,7 +29,7 @@ export class PlayReadyCommand extends Command<CardGameState, {
                     player.cards.set(card.id, card);
                     player.cardSet.add(card.id);
                 }
-                client.send('draw_card', cards);
+                client.send('draw_card_s2c', cards);
             }
             let curClient = this.room.clients[0];
             this.state.currentTurn = curClient.sessionId;
@@ -42,7 +42,7 @@ export class PlayReadyCommand extends Command<CardGameState, {
                 curPlayer.cards.set(card.id, card);
                 curPlayer.cardSet.add(card.id);
             }
-            curClient.send('draw_card', cards);
+            curClient.send('draw_card_s2c', cards);
             this.state.gameState = 2;
         }