diff --git a/spine-ue4/Content/Maps/example.umap b/spine-ue4/Content/Maps/example.umap
index bf3bc2f02..ad6e14d7c 100644
Binary files a/spine-ue4/Content/Maps/example.umap and b/spine-ue4/Content/Maps/example.umap differ
diff --git a/spine-ue4/Content/SpineBoy/Hover_Blueprint.uasset b/spine-ue4/Content/SpineBoy/Hover_Blueprint.uasset
new file mode 100644
index 000000000..198a9c5e1
Binary files /dev/null and b/spine-ue4/Content/SpineBoy/Hover_Blueprint.uasset differ
diff --git a/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineBoneDriverComponent.cpp b/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineBoneDriverComponent.cpp
index 6676534ec..9d1776330 100644
--- a/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineBoneDriverComponent.cpp
+++ b/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineBoneDriverComponent.cpp
@@ -13,7 +13,7 @@ void USpineBoneDriverComponent::BeginPlay () {
 
 void USpineBoneDriverComponent::BeforeUpdateWorldTransform(USpineSkeletonComponent* skeleton) {	
 	AActor* owner = GetOwner();
-	if (owner) {		
+	if (owner && skeleton == lastBoundComponent) {		
 		skeleton->SetBoneWorldPosition(BoneName, owner->GetActorLocation() );
 	}
 }
@@ -25,7 +25,8 @@ void USpineBoneDriverComponent::TickComponent (float DeltaTime, ELevelTick TickT
 		USpineSkeletonComponent* skeleton = static_cast<USpineSkeletonComponent*>(Target->GetComponentByClass(USpineSkeletonComponent::StaticClass()));
 		if (skeleton != lastBoundComponent) {
 			// if (lastBoundComponent) lastBoundComponent->BeforeUpdateWorldTransform.RemoveAll(this);
-			skeleton->BeforeUpdateWorldTransform.AddDynamic(this, &USpineBoneDriverComponent::BeforeUpdateWorldTransform);
+			if (!skeleton->BeforeUpdateWorldTransform.GetAllObjects().Contains(this))
+				skeleton->BeforeUpdateWorldTransform.AddDynamic(this, &USpineBoneDriverComponent::BeforeUpdateWorldTransform);
 			lastBoundComponent = skeleton;
 		}		
 	}
diff --git a/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineSkeletonComponent.cpp b/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineSkeletonComponent.cpp
index 60596fcaa..1703f4f7c 100644
--- a/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineSkeletonComponent.cpp
+++ b/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineSkeletonComponent.cpp
@@ -73,9 +73,13 @@ void USpineSkeletonComponent::SetBoneWorldPosition (const FString& BoneName, con
 		}
 
 		baseTransform = baseTransform.Inverse();
-		FVector localPosition = baseTransform.TransformVector(position);
+		FVector localPosition = baseTransform.TransformPosition(position);
 		float localX = 0, localY = 0;
-		spBone_worldToLocal(bone, localPosition.X, localPosition.Z, &localX, &localY);
+		if (bone->parent) {
+			spBone_worldToLocal(bone->parent, localPosition.X, localPosition.Z, &localX, &localY);
+		} else {
+			spBone_worldToLocal(bone, localPosition.X, localPosition.Z, &localX, &localY);
+		}
 		bone->x = localX;
 		bone->y = localY;
 	}