diff --git a/server/app/api/controller/GameController.php b/server/app/api/controller/GameController.php
index edadbcf..900d757 100644
--- a/server/app/api/controller/GameController.php
+++ b/server/app/api/controller/GameController.php
@@ -65,18 +65,19 @@ class GameController extends OpenController
      * 开始游戏（抽奖一局）
      * POST /api/game/playStart
      * header: token（由 TokenMiddleware 注入 request->player_id）
-     * body: rediction 必传，0=无 1=中奖
+     * body: direction 必传，0=无 1=中奖
      */
     public function playStart(Request $request): Response
     {
         $userId = (int) ($request->player_id ?? 0);
-        $rediction = $request->post('rediction');
-        if (empty($rediction)) {
-            return $this->fail('请传递 rediction 参数', ReturnCode::PARAMS_ERROR);
+        $direction = $request->post('direction');
+        if (empty($direction)) {
+            Log::error('传递的参数为direction = '.$direction);
+            return $this->fail('请传递 direction 参数', ReturnCode::PARAMS_ERROR);
         }
-        $direction = (int) $rediction;
+        $direction = (int) $direction;
         if (!in_array($direction, [0, 1], true)) {
-            return $this->fail('rediction 必须为 0 或 1', ReturnCode::PARAMS_ERROR);
+            return $this->fail('direction 必须为 0 或 1', ReturnCode::PARAMS_ERROR);
         }
 
         $player = DicePlayer::find($userId);
diff --git a/server/app/api/logic/PlayStartLogic.php b/server/app/api/logic/PlayStartLogic.php
index 22bd7b0..d31c3f1 100644
--- a/server/app/api/logic/PlayStartLogic.php
+++ b/server/app/api/logic/PlayStartLogic.php
@@ -38,7 +38,7 @@ class PlayStartLogic
     /**
      * 执行一局游戏
      * @param int $playerId 玩家ID
-     * @param int $direction 方向 0=无/顺时针 1=中奖/逆时针（前端 rediction）
+     * @param int $direction 方向 0=无/顺时针 1=中奖/逆时针（前端 direction）
      * @return array 成功返回 DicePlayRecord 数据；余额不足时抛 ApiException，message 为约定文案
      */
     public function run(int $playerId, int $direction): array