diff --git a/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.h b/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.h
index 9818b80e..5b894f3f 100644
--- a/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.h
+++ b/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.h
@@ -47,8 +47,7 @@ public:
 	{
 		if (this->active)
 		{
-			this->active = false;
-			this->task_thread.join();
+			this->exit();
 		}
 	};
 
diff --git a/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.vcxproj b/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.vcxproj
index d972523a..083a5e61 100644
--- a/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.vcxproj
+++ b/vnpy/api/ctp/vnctp/vnctpmd/vnctpmd.vcxproj
@@ -23,7 +23,7 @@
     <ProjectGuid>{F00054FF-282F-4826-848E-D58BFB9E9D9F}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>vnctpmd</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -94,10 +94,10 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>C:\Python37\include;$(SolutionDir);$(SolutionDir)..\include;$(SolutionDir)..\include\ctp;$(IncludePath)</IncludePath>
+    <IncludePath>C:\Miniconda3\include;$(SolutionDir);$(SolutionDir)..\include;$(SolutionDir)..\include\ctp;$(IncludePath)</IncludePath>
     <ReferencePath>$(ReferencePath)</ReferencePath>
     <TargetExt>.pyd</TargetExt>
-    <LibraryPath>C:\Python37\libs;$(SolutionDir)..\libs;$(LibraryPath)</LibraryPath>
+    <LibraryPath>C:\Miniconda3\libs;$(SolutionDir)..\libs;$(LibraryPath)</LibraryPath>
     <OutDir>$(SolutionDir)..\</OutDir>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
diff --git a/vnpy/api/ctp/vnctp/vnctptd/vnctptd.h b/vnpy/api/ctp/vnctp/vnctptd/vnctptd.h
index 3277cb64..e31f58ef 100644
--- a/vnpy/api/ctp/vnctp/vnctptd/vnctptd.h
+++ b/vnpy/api/ctp/vnctp/vnctptd/vnctptd.h
@@ -154,8 +154,7 @@ public:
 	{
 		if (this->active)
 		{
-			this->active = false;
-			this->task_thread.join();
+			this->exit();
 		}
 	};
 
diff --git a/vnpy/api/ctp/vnctp/vnctptd/vnctptd.vcxproj b/vnpy/api/ctp/vnctp/vnctptd/vnctptd.vcxproj
index 9a90be18..2a61bc1d 100644
--- a/vnpy/api/ctp/vnctp/vnctptd/vnctptd.vcxproj
+++ b/vnpy/api/ctp/vnctp/vnctptd/vnctptd.vcxproj
@@ -23,7 +23,7 @@
     <ProjectGuid>{016732E6-5789-4F7C-9A1C-C46A249080CF}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>vnctptd</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -94,8 +94,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <LinkIncremental>false</LinkIncremental>
     <TargetExt>.pyd</TargetExt>
-    <IncludePath>C:\Python37\include;$(SolutionDir);$(SolutionDir)..\include;$(SolutionDir)..\include\ctp;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\Python37\libs;$(SolutionDir)..\libs;$(LibraryPath)</LibraryPath>
+    <IncludePath>C:\Miniconda3\include;$(SolutionDir);$(SolutionDir)..\include;$(SolutionDir)..\include\ctp;$(IncludePath)</IncludePath>
+    <LibraryPath>C:\Miniconda3\libs;$(SolutionDir)..\libs;$(LibraryPath)</LibraryPath>
     <OutDir>$(SolutionDir)..\</OutDir>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
diff --git a/vnpy/api/ctp/vnctpmd.pyd b/vnpy/api/ctp/vnctpmd.pyd
index 2207274e..55daf6f5 100644
Binary files a/vnpy/api/ctp/vnctpmd.pyd and b/vnpy/api/ctp/vnctpmd.pyd differ
diff --git a/vnpy/api/ctp/vnctptd.pyd b/vnpy/api/ctp/vnctptd.pyd
index d56c830b..df0cd159 100644
Binary files a/vnpy/api/ctp/vnctptd.pyd and b/vnpy/api/ctp/vnctptd.pyd differ