diff --git a/Demo/main.cpp b/Demo/main.cpp
index 04a6cfc6..bd2130b1 100644
--- a/Demo/main.cpp
+++ b/Demo/main.cpp
@@ -10,8 +10,10 @@ int WINAPI WinMain(
 {
 	EApp app;
 
-	if (app.init(L"Easy2D Demo", 640, 480, app.NO_MINI_SIZE))
+	if (app.init(L"Easy2D Demo", 640, 480))
 	{
+		float w = EApp::getWidth();
+		float h = EApp::getHeight();
 		auto scene = new EScene();
 
 		auto text = new EText(L"中文测试中文测试中文测试中文测试中文测试中文测试中文测试", EColor::WHITE, L"楷体");
diff --git a/Easy2D/Base/EApp.cpp b/Easy2D/Base/EApp.cpp
index f8b7acc0..29399b4a 100644
--- a/Easy2D/Base/EApp.cpp
+++ b/Easy2D/Base/EApp.cpp
@@ -114,12 +114,7 @@ bool e2d::EApp::init(const EString &title, UINT32 width, UINT32 height, EWindowS
 		WARN_IF(screenWidth < width || screenHeight < height, "The window is larger than screen!");
 		width = min(width, screenWidth);
 		height = min(height, screenHeight);
-		// 创建屏幕居中的矩形
-		RECT rtWindow;
-		rtWindow.left = (screenWidth - width) / 2;
-		rtWindow.top = (screenHeight - height) / 2;
-		rtWindow.right = rtWindow.left + width;
-		rtWindow.bottom = rtWindow.top + height;
+		
 		// 创建窗口样式
 		DWORD dwStyle = WS_OVERLAPPED | WS_SYSMENU;
 		if (!wStyle.NO_MINI_SIZE)
@@ -128,8 +123,6 @@ bool e2d::EApp::init(const EString &title, UINT32 width, UINT32 height, EWindowS
 		}
 		// 保存窗口是否置顶显示
 		m_bTopMost = wStyle.TOP_MOST;
-		// 计算客户区大小
-		AdjustWindowRectEx(&rtWindow, dwStyle, FALSE, 0L);
 		// 保存窗口名称
 		m_sTitle = title;
 		// 创建窗口
@@ -137,10 +130,10 @@ bool e2d::EApp::init(const EString &title, UINT32 width, UINT32 height, EWindowS
 			L"Easy2DApp",
 			m_sTitle.c_str(),
 			dwStyle,
-			rtWindow.left,
-			rtWindow.top,
-			rtWindow.right - rtWindow.left,
-			rtWindow.bottom - rtWindow.top,
+			0,
+			0,
+			width,
+			height,
 			NULL,
 			NULL,
 			HINST_THISCOMPONENT,
@@ -153,6 +146,8 @@ bool e2d::EApp::init(const EString &title, UINT32 width, UINT32 height, EWindowS
 		{
 			// 禁用输入法
 			this->setKeyboardLayoutEnable(false);
+			// 重设客户区大小
+			this->setWindowSize(width, height);
 		}
 		else
 		{
diff --git a/Easy2D/Easy2D.vcxproj b/Easy2D/Easy2D.vcxproj
index 97b23fc5..59c39c00 100644
--- a/Easy2D/Easy2D.vcxproj
+++ b/Easy2D/Easy2D.vcxproj
@@ -101,7 +101,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <DebugInformationFormat>None</DebugInformationFormat>
+      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <MinimalRebuild>false</MinimalRebuild>
     </ClCompile>
     <Link>
@@ -230,6 +230,7 @@
     <ClCompile Include="Node\EFont.cpp" />
     <ClCompile Include="Node\ETexture.cpp" />
     <ClCompile Include="Tool\EFileUtils.cpp" />
+    <ClCompile Include="Tool\EMusicUtils.cpp" />
     <ClCompile Include="Tool\ERandom.cpp" />
     <ClCompile Include="Tool\ETimer.cpp" />
     <ClCompile Include="Transition\ETransitionEmerge.cpp" />
diff --git a/Easy2D/Easy2D.vcxproj.filters b/Easy2D/Easy2D.vcxproj.filters
index 7e5d3218..3f90ce09 100644
--- a/Easy2D/Easy2D.vcxproj.filters
+++ b/Easy2D/Easy2D.vcxproj.filters
@@ -171,6 +171,9 @@
     <ClCompile Include="Tool\ETimer.cpp">
       <Filter>Tool</Filter>
     </ClCompile>
+    <ClCompile Include="Tool\EMusicUtils.cpp">
+      <Filter>Tool</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Win\winbase.h">