diff --git a/U3D_DrivingSystem/Assets/Script/TrafficLightManager.cs b/U3D_DrivingSystem/Assets/Script/TrafficLightManager.cs
index b9858890..9366781f 100644
--- a/U3D_DrivingSystem/Assets/Script/TrafficLightManager.cs
+++ b/U3D_DrivingSystem/Assets/Script/TrafficLightManager.cs
@@ -141,18 +141,18 @@ public class TrafficLightManager : MonoBehaviour
                 case TrafficLightState.Green:
                     group.previousState = TrafficLightState.Green;
                     group.currentState = TrafficLightState.Yellow;
-                    group.timer = 3f; // 绿灯到黄灯的持续时间
+                    group.timer = 2f; // 绿灯到黄灯的持续时间
                     break;
 
                 case TrafficLightState.Yellow:
                     group.currentState = TrafficLightState.Red;
-                    group.timer = group.startsWithGreen ? 31 : 31; // 黄灯到红灯的持续时间
+                    group.timer = group.startsWithGreen ? 30 : 30; // 黄灯到红灯的持续时间
                     break;
 
                 case TrafficLightState.Red:
                     group.previousState = TrafficLightState.Red;
                     group.currentState = TrafficLightState.Green;
-                    group.timer = 6; // 红灯到绿灯的持续时间
+                    group.timer = 7; // 红灯到绿灯的持续时间
                     break;
             }
         }