diff --git a/src/samples/boop/commands.ts b/src/samples/boop/commands.ts
index 1d7d117..e19fee2 100644
--- a/src/samples/boop/commands.ts
+++ b/src/samples/boop/commands.ts
@@ -90,7 +90,7 @@ const boopCommand = registry.register('boop <row:number> <col:number> <type>', b
 /**
  * 检查是否有玩家获胜(三个猫连线)
  */
-async function checkWin(game: BoopGame) {
+async function checkWin(game: BoopGame): Promise<WinnerType | null> {
     for(const line of getLineCandidates()){
         let whites = 0;
         let blacks = 0;
@@ -151,10 +151,9 @@ async function setup(game: BoopGame) {
     while (true) {
         const currentPlayer = game.value.currentPlayer;
         const turnOutput = await turnCommand(game, currentPlayer);
-        if (!turnOutput.success) throw new Error(turnOutput.error);
 
         await game.produceAsync(state => {
-            state.winner = turnOutput.result.winner;
+            state.winner = turnOutput.winner;
             if (!state.winner) {
                 state.currentPlayer = state.currentPlayer === 'white' ? 'black' : 'white';
             }
@@ -233,7 +232,7 @@ async function turn(game: BoopGame, turnPlayer: PlayerType) {
     await placeCommand(game, row, col, turnPlayer, pieceType);
     await boopCommand(game, row, col, pieceType);
     const winner = await checkWinCommand(game);
-    if(winner.success) return { winner: winner.result as WinnerType };
+    if(winner) return { winner: winner };
     
     await checkGraduatesCommand(game);
     await checkFullBoard(game, turnPlayer);
diff --git a/src/samples/tic-tac-toe.ts b/src/samples/tic-tac-toe.ts
index 23f8fdf..28ac7f6 100644
--- a/src/samples/tic-tac-toe.ts
+++ b/src/samples/tic-tac-toe.ts
@@ -42,10 +42,9 @@ async function setup(game: TicTacToeGame) {
         const currentPlayer = game.value.currentPlayer;
         const turnNumber = game.value.turn + 1;
         const turnOutput = await turnCommand(game, currentPlayer, turnNumber);
-        if (!turnOutput.success) throw new Error(turnOutput.error);
 
         game.produce(state => {
-            state.winner = turnOutput.result.winner;
+            state.winner = turnOutput.winner;
             if (!state.winner) {
                 state.currentPlayer = state.currentPlayer === 'X' ? 'O' : 'X';
                 state.turn = turnNumber;
diff --git a/src/utils/command/command-registry.ts b/src/utils/command/command-registry.ts
index fd30990..4a88a96 100644
--- a/src/utils/command/command-registry.ts
+++ b/src/utils/command/command-registry.ts
@@ -30,13 +30,15 @@ export class CommandRegistry<TContext> extends Map<string, CommandRunner<TContex
 
         type TParams = TFunc extends (ctx: TContext, ...args: infer X) => Promise<unknown> ? X : null;
         type TResult = TFunc extends (ctx: TContext, ...args: any[]) => Promise<infer X> ? X : null;
-        return function(ctx: TContext & CanRunParsed, ...args: TParams){
-            return ctx.runParsed({
+        return async function(ctx: TContext & CanRunParsed, ...args: TParams){
+            const result: CommandResult<TResult> = await ctx.runParsed({
                 options: {},
                 params: args,
                 flags: {},
                 name: parsedSchema.name,
-            }) as Promise<CommandResult<TResult>>;
+            });
+            if(result.success) return result.result;
+            throw new Error(result.error);
         }
     }
 }