diff --git a/example/Vulkan/Atomsphere.cpp b/example/Vulkan/Atomsphere.cpp
index 8d14c9b1..dea8100b 100644
--- a/example/Vulkan/Atomsphere.cpp
+++ b/example/Vulkan/Atomsphere.cpp
@@ -42,8 +42,8 @@ private:
 
     bool InitMaterial()
     {
-        material=shader_manage->CreateMaterial(OS_TEXT("res/shader/Atomsphere.vert.spv"),
-                                               OS_TEXT("res/shader/Atomsphere.frag.spv"));
+        material=shader_manage->CreateMaterial(OS_TEXT("res/shader/Atomsphere.vert"),
+                                               OS_TEXT("res/shader/Atomsphere.frag"));
         if(!material)
             return(false);
 
diff --git a/example/Vulkan/SceneTree.cpp b/example/Vulkan/SceneTree.cpp
index 9a512743..123a0b13 100644
--- a/example/Vulkan/SceneTree.cpp
+++ b/example/Vulkan/SceneTree.cpp
@@ -12,8 +12,8 @@
 using namespace hgl;
 using namespace hgl::graph;
 
-constexpr uint32_t SCREEN_WIDTH=128;
-constexpr uint32_t SCREEN_HEIGHT=128;
+constexpr uint32_t SCREEN_WIDTH=1280;
+constexpr uint32_t SCREEN_HEIGHT=720;
 
 class TestApp:public CameraAppFramework
 {
@@ -48,8 +48,8 @@ private:
 
     bool InitMaterial()
     {
-        material=shader_manage->CreateMaterial(OS_TEXT("res/shader/OnlyPosition3D.vert.spv"),
-                                               OS_TEXT("res/shader/FlatColor.frag.spv"));
+        material=shader_manage->CreateMaterial(OS_TEXT("res/shader/OnlyPosition3D.vert"),
+                                               OS_TEXT("res/shader/FlatColor.frag"));
         if(!material)
             return(false);
 
diff --git a/res b/res
index 31bfc6df..23685cd8 160000
--- a/res
+++ b/res
@@ -1 +1 @@
-Subproject commit 31bfc6df93dc2b676b1fc912c42c87718ba007b8
+Subproject commit 23685cd868ff941da4f0974035c8f4aa23594e03