diff --git a/packages/boop-game/src/scenes/PieceTypeSelector.ts b/packages/boop-game/src/scenes/PieceTypeSelector.ts
index 2c13822..4f4b1ac 100644
--- a/packages/boop-game/src/scenes/PieceTypeSelector.ts
+++ b/packages/boop-game/src/scenes/PieceTypeSelector.ts
@@ -88,10 +88,10 @@ export class PieceTypeSelector {
 
   update(state: BoopState): void {
     const currentPlayer = state.currentPlayer;
-    const { kittensInSupply, catsInSupply, catsOnBoard } = this.countPieces(state, currentPlayer);
-    
+    const { kittensInSupply, catsInSupply } = this.countPieces(state, currentPlayer);
+
     const kittenAvailable = kittensInSupply > 0;
-    const catsAvailable = catsInSupply + catsOnBoard > 0;
+    const catsAvailable = catsInSupply > 0;
 
     this.updateButton(
       this.kittenButton,
@@ -104,7 +104,7 @@ export class PieceTypeSelector {
       this.catButton,
       catsAvailable,
       this.selectedType === 'cat',
-      `🐱 大猫 (${catsInSupply + catsOnBoard})`
+      `🐱 大猫 (${catsInSupply})`
     );
 
     // 自动切换到可用类型