diff --git a/Content/Blueprint/Core/BP_randomizeChangeMaterialTexture.uasset b/Content/Blueprint/Core/BP_randomizeChangeMaterialTexture.uasset
index 030bf0f5..c3c59da5 100644
Binary files a/Content/Blueprint/Core/BP_randomizeChangeMaterialTexture.uasset and b/Content/Blueprint/Core/BP_randomizeChangeMaterialTexture.uasset differ
diff --git a/Content/Blueprint/DATA/structures/FStretchRobotActuatorStruct.uasset b/Content/Blueprint/DATA/structures/FStretchRobotActuatorStruct.uasset
deleted file mode 100644
index 1c6f03c8..00000000
Binary files a/Content/Blueprint/DATA/structures/FStretchRobotActuatorStruct.uasset and /dev/null differ
diff --git a/Content/Blueprint/DATA/structures/FrandomMaterialTextureStruct.uasset b/Content/Blueprint/DATA/structures/FrandomMaterialTextureStruct.uasset
deleted file mode 100644
index 2fff302f..00000000
Binary files a/Content/Blueprint/DATA/structures/FrandomMaterialTextureStruct.uasset and /dev/null differ
diff --git a/Content/Blueprint/RobotPawnActors/BP_MujocoBostonDynamicsSpotWithArm.uasset b/Content/Blueprint/RobotPawnActors/BP_MujocoBostonDynamicsSpotWithArm.uasset
index 1ca505ec..d524acd4 100644
Binary files a/Content/Blueprint/RobotPawnActors/BP_MujocoBostonDynamicsSpotWithArm.uasset and b/Content/Blueprint/RobotPawnActors/BP_MujocoBostonDynamicsSpotWithArm.uasset differ
diff --git a/Content/Blueprint/RobotPawnActors/BP_MujocoUnitreeGo2.uasset b/Content/Blueprint/RobotPawnActors/BP_MujocoUnitreeGo2.uasset
index cda9e89f..aa865ffd 100644
Binary files a/Content/Blueprint/RobotPawnActors/BP_MujocoUnitreeGo2.uasset and b/Content/Blueprint/RobotPawnActors/BP_MujocoUnitreeGo2.uasset differ
diff --git a/Content/Blueprint/RobotPawnActors/BP_PuralinkRobot.uasset b/Content/Blueprint/RobotPawnActors/BP_PuralinkRobot.uasset
index 1eb65cac..0709a4cc 100644
Binary files a/Content/Blueprint/RobotPawnActors/BP_PuralinkRobot.uasset and b/Content/Blueprint/RobotPawnActors/BP_PuralinkRobot.uasset differ
diff --git a/Content/Blueprint/RobotPawnActors/BP_RevoluteRobot.uasset b/Content/Blueprint/RobotPawnActors/BP_RevoluteRobot.uasset
index 726ea24c..6a0bba4e 100644
Binary files a/Content/Blueprint/RobotPawnActors/BP_RevoluteRobot.uasset and b/Content/Blueprint/RobotPawnActors/BP_RevoluteRobot.uasset differ
diff --git a/Content/Blueprint/RobotPawnActors/BP_mujokoArm.uasset b/Content/Blueprint/RobotPawnActors/BP_mujokoArm.uasset
index d17ce0ca..59ff996a 100644
Binary files a/Content/Blueprint/RobotPawnActors/BP_mujokoArm.uasset and b/Content/Blueprint/RobotPawnActors/BP_mujokoArm.uasset differ
diff --git a/Content/Blueprint/RobotPawnActors/BP_mujokoStretch.uasset b/Content/Blueprint/RobotPawnActors/BP_mujokoStretch.uasset
index a8c9e8cc..974b5260 100644
Binary files a/Content/Blueprint/RobotPawnActors/BP_mujokoStretch.uasset and b/Content/Blueprint/RobotPawnActors/BP_mujokoStretch.uasset differ
diff --git a/Content/luckyBot/Luckywidget/WB_GameWidget.uasset b/Content/luckyBot/Luckywidget/WB_GameWidget.uasset
index 1d7ee99b..1855d71a 100644
Binary files a/Content/luckyBot/Luckywidget/WB_GameWidget.uasset and b/Content/luckyBot/Luckywidget/WB_GameWidget.uasset differ
diff --git a/Source/Luckyrobots/Public/SharedDef.h b/Source/Luckyrobots/Public/SharedDef.h
index 096a2e5a..4e882db4 100644
--- a/Source/Luckyrobots/Public/SharedDef.h
+++ b/Source/Luckyrobots/Public/SharedDef.h
@@ -603,4 +603,45 @@ public:
 		, Transform(FTransform::Identity)
 	{
 	}
-};
\ No newline at end of file
+};
+
+USTRUCT(BlueprintType)
+struct FStretchRobotActuator
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Actuator")
+	FString Name;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Actuator")
+	float Min;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Actuator")
+	float Max;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Actuator")
+	int32 Index;
+};
+
+USTRUCT(BlueprintType)
+struct FRandomMaterialTexture
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TArray<TSoftObjectPtr<UStaticMesh>> Meshs;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TArray<TSoftObjectPtr<UMaterialInstance>> Materials;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	TArray<TSoftObjectPtr<UTexture>> Textures;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool RandomMaterial;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool RandomTexture;
+};