diff --git a/03-UnrealEngine/Gameplay/Vehicle/载具笔记.md b/03-UnrealEngine/Gameplay/Vehicle/载具笔记.md
index c98a6a2..036958e 100644
--- a/03-UnrealEngine/Gameplay/Vehicle/载具笔记.md
+++ b/03-UnrealEngine/Gameplay/Vehicle/载具笔记.md
@@ -9,7 +9,7 @@ rating: ⭐
 - UE4.27:https://dev.epicgames.com/documentation/zh-cn/unreal-engine/vehicle-user-guide?application_version=4.27
 - UE5.4:https://dev.epicgames.com/documentation/en-us/unreal-engine/vehicles-in-unreal-engine?application_version=5.4
 
-# 
+# 项目结构
 - Vehicle蓝图
 	- Vehicle SkeletalMesh
 		- Physics Asset
@@ -59,21 +59,21 @@ UVehicleSportsWheelFront::UVehicleSportsWheelFront()
 {  
     WheelRadius = 39.0f;  
     WheelWidth = 35.0f;  
-    FrictionForceMultiplier = 3.0f;  
+    FrictionForceMultiplier = 3.0f;//摩擦力系数  
   
-    MaxBrakeTorque = 4500.0f;  
-    MaxHandBrakeTorque = 6000.0f;  
+    MaxBrakeTorque = 4500.0f;//最大制动扭矩  
+    MaxHandBrakeTorque = 6000.0f;//最大手制动扭矩
 }
 
 UVehicleSportsWheelRear::UVehicleSportsWheelRear()  
 {  
     WheelRadius = 40.f;  
     WheelWidth = 40.0f;  
-    FrictionForceMultiplier = 4.0f;  
-    SlipThreshold = 100.0f;  
-    SkidThreshold = 100.0f;  
-    MaxSteerAngle = 0.0f;  
-    MaxHandBrakeTorque = 6000.0f;  
+    FrictionForceMultiplier = 4.0f;
+    SlipThreshold = 100.0f;//滑动阈值  
+    SkidThreshold = 100.0f;//防滑阈值  
+    MaxSteerAngle = 0.0f;//最大转向角  
+    MaxHandBrakeTorque = 6000.0f;
 }
 ```
 
@@ -82,15 +82,15 @@ UVehicleSportsWheelRear::UVehicleSportsWheelRear()
 UVehicleOffroadWheelFront::UVehicleOffroadWheelFront()  
 {  
     WheelRadius = 50.0f;  
-    CorneringStiffness = 750.0f;  
+    CorneringStiffness = 750.0f;//转弯刚度  
     FrictionForceMultiplier = 4.0f;  
-    bAffectedByEngine = true;  
+    bAffectedByEngine = true;//实现4轮驱动  
   
-    SuspensionMaxRaise = 20.0f;  
-    SuspensionMaxDrop = 20.0f;  
-    WheelLoadRatio = 1.0f;  
-    SpringRate = 100.0f;  
-    SpringPreload = 100.0f;  
+    SuspensionMaxRaise = 20.0f;//悬挂架最大提升高度(父类是10.0)
+    SuspensionMaxDrop = 20.0f;//悬挂力最大下降(父类是10.0)
+    WheelLoadRatio = 1.0f;//车轮负载率(父类是0.5)
+    SpringRate = 100.0f;//弹簧率(父类是250.0) 
+    SpringPreload = 100.0f;//弹簧预紧力(父类是50.0) 
     SweepShape = ESweepShape::Shapecast;  
   
     MaxBrakeTorque = 3000.0f;  
@@ -123,4 +123,5 @@ UVehicleOffroadWheelRear::UVehicleOffroadWheelRear()
 
 ## UChaosWheeledVehicleMovementComponent
 
+
 ## 动画蓝图中的相关逻辑
\ No newline at end of file