diff --git a/src/kiwano-physics/PhysicBody.cpp b/src/kiwano-physics/PhysicBody.cpp
index e74675f0..6652b5d6 100644
--- a/src/kiwano-physics/PhysicBody.cpp
+++ b/src/kiwano-physics/PhysicBody.cpp
@@ -50,25 +50,6 @@ PhysicBodyPtr PhysicBody::Create(PhysicWorld* world, Type type)
     return nullptr;
 }
 
-PhysicBody* PhysicBody::Get(Actor* actor)
-{
-    if (actor)
-    {
-        static size_t physic_comp_name_hash = 0;
-        if (physic_comp_name_hash == 0)
-        {
-            physic_comp_name_hash = std::hash<String>{}(KGE_PHYSIC_COMP_NAME);
-        }
-        return (PhysicBody*)actor->GetComponent(physic_comp_name_hash);
-    }
-    return nullptr;
-}
-
-PhysicBody* PhysicBody::Get(ActorPtr actor)
-{
-    return PhysicBody::Get(actor.Get());
-}
-
 PhysicBody::PhysicBody()
     : body_(nullptr)
     , world_(nullptr)
@@ -86,11 +67,15 @@ void PhysicBody::InitComponent(Actor* actor)
 {
     Component::InitComponent(actor);
 
+    actor->SetPhysicBody(this);
+
     UpdateFromActor(actor);
 }
 
 void PhysicBody::DestroyComponent()
 {
+    GetBoundActor()->SetPhysicBody(nullptr);
+
     // Detach from actor first
     Component::DestroyComponent();
 
diff --git a/src/kiwano-physics/PhysicBody.h b/src/kiwano-physics/PhysicBody.h
index 638fd3ad..875e4a8a 100644
--- a/src/kiwano-physics/PhysicBody.h
+++ b/src/kiwano-physics/PhysicBody.h
@@ -62,16 +62,6 @@ public:
     /// @param type 物体类型
     static PhysicBodyPtr Create(PhysicWorld* world, Type type);
 
-    /// \~chinese
-    /// @brief 获取角色的物理身体
-    /// @param actor 角色
-    static PhysicBody* Get(Actor* actor);
-
-    /// \~chinese
-    /// @brief 获取角色的物理身体
-    /// @param actor 角色
-    static PhysicBody* Get(ActorPtr actor);
-
     PhysicBody();
 
     virtual ~PhysicBody();
diff --git a/src/kiwano-physics/PhysicWorld.cpp b/src/kiwano-physics/PhysicWorld.cpp
index d8e447ab..e97384b7 100644
--- a/src/kiwano-physics/PhysicWorld.cpp
+++ b/src/kiwano-physics/PhysicWorld.cpp
@@ -413,7 +413,7 @@ void PhysicWorld::BeforeSimulation(Actor* parent, const Matrix3x2& parent_to_wor
     {
         Matrix3x2 child_to_world = child->GetTransformMatrixToParent() * parent_to_world;
 
-        PhysicBody* body = PhysicBody::Get(child);
+        PhysicBody* body = child->GetPhysicBody();
         if (body)
         {
             body->BeforeSimulation(child.Get(), parent_to_world, child_to_world, parent_rotation);
@@ -428,7 +428,7 @@ void PhysicWorld::AfterSimulation(Actor* parent, const Matrix3x2& parent_to_worl
 {
     for (auto child : parent->GetAllChildren())
     {
-        PhysicBody* body = PhysicBody::Get(child);
+        PhysicBody* body = child->GetPhysicBody();
         if (body)
         {
             body->AfterSimulation(child.Get(), parent_to_world, parent_rotation);
diff --git a/src/kiwano/2d/Actor.cpp b/src/kiwano/2d/Actor.cpp
index 62324ee1..5f6c6c84 100644
--- a/src/kiwano/2d/Actor.cpp
+++ b/src/kiwano/2d/Actor.cpp
@@ -62,6 +62,7 @@ Actor::Actor()
     , evt_dispatch_enabled_(true)
     , parent_(nullptr)
     , stage_(nullptr)
+    , physic_body_(nullptr)
     , hash_name_(0)
     , z_order_(0)
     , opacity_(1.f)
diff --git a/src/kiwano/2d/Actor.h b/src/kiwano/2d/Actor.h
index 1af54468..faccb66f 100644
--- a/src/kiwano/2d/Actor.h
+++ b/src/kiwano/2d/Actor.h
@@ -33,6 +33,11 @@ class Stage;
 class Director;
 class RenderContext;
 
+namespace physics
+{
+class PhysicBody;
+}
+
 KGE_DECLARE_SMART_PTR(Actor);
 
 /// \~chinese
@@ -417,6 +422,10 @@ public:
     /// @param enabled 是否开启
     void SetEventDispatchEnabled(bool enabled);
 
+    /// \~chinese
+    /// @brief 获取物理身体
+    physics::PhysicBody* GetPhysicBody() const;
+
     /// \~chinese
     /// @brief 序列化
     void DoSerialize(Serializer* serializer) const override;
@@ -470,6 +479,12 @@ protected:
     /// @brief 处理事件
     bool HandleEvent(Event* evt);
 
+    /// \~chinese
+    /// @brief 设置物理身体
+    void SetPhysicBody(physics::PhysicBody* body);
+
+    friend physics::PhysicBody;
+
 private:
     bool           visible_;
     bool           update_pausing_;
@@ -491,6 +506,8 @@ private:
     UpdateCallback cb_update_;
     Transform      transform_;
 
+    physics::PhysicBody* physic_body_;
+
     bool              is_fast_transform_;
     mutable bool      visible_in_rt_;
     mutable bool      dirty_visibility_;
@@ -748,4 +765,14 @@ inline void Actor::SetSkew(float skewx, float skewy)
     this->SetSkew(Vec2(skewx, skewy));
 }
 
+inline physics::PhysicBody* Actor::GetPhysicBody() const
+{
+    return physic_body_;
+}
+
+inline void Actor::SetPhysicBody(physics::PhysicBody* body)
+{
+    physic_body_ = body;
+}
+
 }  // namespace kiwano