diff --git a/CMSceneGraph b/CMSceneGraph
index 1251e2a7..f5740162 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 1251e2a735c87995b57c0e7fa3bd41981dee086f
+Subproject commit f57401620a52eaf3fdaaf5410beb9528aadaa49a
diff --git a/example/Vulkan/TextureFormat.cpp b/example/Vulkan/TextureFormat.cpp
index fffb06bd..2af79e95 100644
--- a/example/Vulkan/TextureFormat.cpp
+++ b/example/Vulkan/TextureFormat.cpp
@@ -106,12 +106,9 @@ int main(int,char **)
 
             char olb[]="[   ]";
 
-            if(fp.optimalTilingFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)
-                olb[1]='O';
-            if(fp.linearTilingFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)
-                olb[2]='L';
-            if(fp.bufferFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)
-                olb[2]='B';
+            if(fp.optimalTilingFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT )olb[1]='O';
+            if(fp.linearTilingFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT  )olb[2]='L';
+            if(fp.bufferFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT        )olb[2]='B';
 
             std::cout<<olb;
         }
diff --git a/inc/hgl/graph/mtl/StdMaterial.h b/inc/hgl/graph/mtl/StdMaterial.h
index 8fd0fdfc..f228b055 100644
--- a/inc/hgl/graph/mtl/StdMaterial.h
+++ b/inc/hgl/graph/mtl/StdMaterial.h
@@ -65,13 +65,13 @@ constexpr const ShaderBufferSource SBS_MaterialInstance=
     "MaterialInstance mi[256];"
 };
 
-constexpr const ShaderBufferSource SBS_BoneInfo=
+constexpr const ShaderBufferSource SBS_JointInfo=
 {
-    "BoneInfo",
-    "bone",
+    "JointInfo",
+    "joint",
 
 R"(
-    mat4 bone_mats[];
+    mat4 mats[];
 )"
 };
 
@@ -87,13 +87,13 @@ mat4 GetLocalToWorld()
 }
 )";
 
-    constexpr const char GetBoneMatrix[]=R"(
-mat4 GetBoneMatrix()
+    constexpr const char GetJointMatrix[]=R"(
+mat4 GetJointMatrix()
 {
-    return  bone_mats[BoneID.x]*BoneWeight.x+
-            bone_mats[BoneID.y]*BoneWeight.y+
-            bone_mats[BoneID.z]*BoneWeight.z+
-            bone_mats[BoneID.w]*BoneWeight.w;
+    return  joint.mats[JointID.x]*JointWeight.x+
+            joint.mats[JointID.y]*JointWeight.y+
+            joint.mats[JointID.z]*JointWeight.z+
+            joint.mats[JointID.w]*JointWeight.w;
 }
 )";
 
diff --git a/inc/hgl/shadergen/ShaderCreateInfoVertex.h b/inc/hgl/shadergen/ShaderCreateInfoVertex.h
index bb777209..ca89a0d7 100644
--- a/inc/hgl/shadergen/ShaderCreateInfoVertex.h
+++ b/inc/hgl/shadergen/ShaderCreateInfoVertex.h
@@ -26,13 +26,13 @@ namespace hgl
                 AddInput(vat,VAN::MaterialInstanceID,VK_VERTEX_INPUT_RATE_VERTEX,VertexInputGroup::MaterialInstanceID);
             }
 
-            void AddBone()
+            void AddJoint()
             {
                 constexpr const VAT id      {VertexAttribType::BaseType::UInt,4};   //使用uint8[4]
                 constexpr const VAT weight  {VertexAttribType::BaseType::Float,4};  //使用uint8[4]
 
-                AddInput(id,    VAN::BoneID,    VK_VERTEX_INPUT_RATE_VERTEX,VertexInputGroup::BoneID);
-                AddInput(weight,VAN::BoneWeight,VK_VERTEX_INPUT_RATE_VERTEX,VertexInputGroup::BoneWeight);
+                AddInput(id,    VAN::JointID,    VK_VERTEX_INPUT_RATE_VERTEX,VertexInputGroup::JointID);
+                AddInput(weight,VAN::JointWeight,VK_VERTEX_INPUT_RATE_VERTEX,VertexInputGroup::JointWeight);
             }
 
             void AddLocalToWorld()
diff --git a/src/SceneGraph/RenderNode.cpp b/src/SceneGraph/RenderNode.cpp
index 13716e3b..748f8b7d 100644
--- a/src/SceneGraph/RenderNode.cpp
+++ b/src/SceneGraph/RenderNode.cpp
@@ -329,28 +329,28 @@ namespace hgl
                 }
             }
 
-            if(count<binding_count) //Bone组，暂未支持
+            if(count<binding_count) //Joint组，暂未支持
             {
-                const uint boneId_binding_count=vil->GetCount(VertexInputGroup::BoneID);
+                const uint joint_id_binding_count=vil->GetCount(VertexInputGroup::JointID);
 
-                if(boneId_binding_count>0)                                        //有骨骼矩阵信息
+                if(joint_id_binding_count>0)                                        //有矩阵信息
                 {
-                    count+=boneId_binding_count;
+                    count+=joint_id_binding_count;
 
-                    if(count<binding_count) //BoneWeight组
+                    if(count<binding_count) //JointWeight组
                     {
-                        const uint boneWeight_binding_count=vil->GetCount(VertexInputGroup::BoneWeight);
+                        const uint joing_weight_binding_count=vil->GetCount(VertexInputGroup::JointWeight);
 
-                        if(boneWeight_binding_count!=1)
+                        if(joing_weight_binding_count!=1)
                         {
                             ++count;
                         }
-                        else //BoneWieght不为1是个bug，除非未来支持8骨骼权重
+                        else //JointWieght不为1是个bug，除非未来支持8权重
                         {
                             return(false);
                         }
                     }
-                    else //有BoneID没有BoneWeight? 这是个BUG
+                    else //有JointID没有JointWeight? 这是个BUG
                     {
                         return(false);
                     }
diff --git a/src/SceneGraph/Vulkan/VKDevice.cpp b/src/SceneGraph/Vulkan/VKDevice.cpp
index b4df5030..a44318a6 100644
--- a/src/SceneGraph/Vulkan/VKDevice.cpp
+++ b/src/SceneGraph/Vulkan/VKDevice.cpp
@@ -47,7 +47,7 @@ bool GPUDevice::Resize(const VkExtent2D &extent)
 
     swapchainRT=CreateSwapchainRenderTarget();
 
-    return(true);
+    return(swapchainRT);
 }
 
 VkCommandBuffer GPUDevice::CreateCommandBuffer()
diff --git a/src/SceneGraph/Vulkan/VKDeviceSwapchain.cpp b/src/SceneGraph/Vulkan/VKDeviceSwapchain.cpp
index 08527588..ddd4845b 100644
--- a/src/SceneGraph/Vulkan/VKDeviceSwapchain.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceSwapchain.cpp
@@ -60,10 +60,16 @@ namespace
         }
 
         VkSwapchainKHR swap_chain;
+        VkResult result;
 
-        if(vkCreateSwapchainKHR(dev_attr->device,&swapchain_ci,nullptr,&swap_chain)==VK_SUCCESS)
+        result=vkCreateSwapchainKHR(dev_attr->device,&swapchain_ci,nullptr,&swap_chain);
+
+        if(result==VK_SUCCESS)
             return(swap_chain);
 
+        //LOG_ERROR(OS_TEXT("vkCreateSwapchainKHR failed, result = ")+OSString(result));
+        os_err<<"vkCreateSwapchainKHR failed, result="<<result<<std::endl;
+
         return(VK_NULL_HANDLE);
     }
 }//namespace