diff --git a/Build/wallitor-cmd.exe b/Build/wallitor-cmd.exe
new file mode 100644
index 0000000..0786c8c
Binary files /dev/null and b/Build/wallitor-cmd.exe differ
diff --git a/Build/wallitor-core.dll b/Build/wallitor-core.dll
new file mode 100644
index 0000000..ac9fe12
Binary files /dev/null and b/Build/wallitor-core.dll differ
diff --git a/Build/wallitor-core.exp b/Build/wallitor-core.exp
new file mode 100644
index 0000000..ef36f08
Binary files /dev/null and b/Build/wallitor-core.exp differ
diff --git a/Build/wallitor-core.lib b/Build/wallitor-core.lib
new file mode 100644
index 0000000..ab7d441
Binary files /dev/null and b/Build/wallitor-core.lib differ
diff --git a/dllmain.cpp b/dllmain.cpp
index 67fdab4..45b0740 100644
--- a/dllmain.cpp
+++ b/dllmain.cpp
@@ -25,7 +25,7 @@ playerInstance* player_instance = NULL;
      player_instance->generate();
 }
 
- extern "C" __declspec(dllexport)  void destory() {
+ extern "C" __declspec(dllexport)  void destroy() {
      player_instance->exit();
      delete player_instance;
  }
diff --git a/playerInstance.cpp b/playerInstance.cpp
index 690ed91..37b52e6 100644
--- a/playerInstance.cpp
+++ b/playerInstance.cpp
@@ -25,7 +25,7 @@ BOOL playerInstance::showWindow(LPCWSTR lpParameter) {
 		system(strCmd);
 	}
 	STARTUPINFO si{ 0 };
-	//si.dwFlags = STARTF_USESHOWWINDOW;
+	si.dwFlags = STARTF_USESHOWWINDOW;
 	si.wShowWindow = SW_HIDE;
 	PROCESS_INFORMATION pi{ 0 };
 	if (CreateProcess(this->config.ffpath.c_str(), (LPWSTR)lpParameter, 0, 0, 0, CREATE_NO_WINDOW, 0, 0, &si, &pi)) {
@@ -41,7 +41,7 @@ BOOL playerInstance::showWindow(LPCWSTR lpParameter) {
 		//if (horw) {
 			int width = cRct.right - cRct.left;
 			int x = (systemWidth - width) / 2;
-			MoveWindow(hFfplay, x, 0, cRct.right - cRct.left, cRct.bottom - cRct.top, 1);
+			MoveWindow(hFfplay, 0, 0, systemWidth, systemHeight, 1);
 		/* }
 		else {
 			int height = cRct.bottom - cRct.top;
diff --git a/wallitor-core.sln b/wallitor-core.sln
index 4497a46..eea2d07 100644
--- a/wallitor-core.sln
+++ b/wallitor-core.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 17.9.34622.214
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wallitor-core", "wallitor-core.vcxproj", "{36591862-6F9C-4A1D-BBAD-4B1CBB1EC24B}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wallitor-cmd", "..\wallitor-cmd\wallitor-cmd.vcxproj", "{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -21,6 +23,14 @@ Global
 		{36591862-6F9C-4A1D-BBAD-4B1CBB1EC24B}.Release|x64.Build.0 = Release|x64
 		{36591862-6F9C-4A1D-BBAD-4B1CBB1EC24B}.Release|x86.ActiveCfg = Release|Win32
 		{36591862-6F9C-4A1D-BBAD-4B1CBB1EC24B}.Release|x86.Build.0 = Release|Win32
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Debug|x64.ActiveCfg = Debug|x64
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Debug|x64.Build.0 = Debug|x64
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Debug|x86.ActiveCfg = Debug|Win32
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Debug|x86.Build.0 = Debug|Win32
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Release|x64.ActiveCfg = Release|x64
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Release|x64.Build.0 = Release|x64
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Release|x86.ActiveCfg = Release|Win32
+		{5675A6E4-1AEF-4AA3-A366-0D975C311AAF}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/wallitor-core.vcxproj b/wallitor-core.vcxproj
index a40ccaf..ab31324 100644
--- a/wallitor-core.vcxproj
+++ b/wallitor-core.vcxproj
@@ -70,6 +70,9 @@
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <OutDir>$(SolutionDir)\Build</OutDir>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>