diff --git a/ReadMe.txt b/ReadMe.txt
index b7ddd36..b8d7c78 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -177,3 +177,7 @@
 2、发布V1.0.0.5。
 
 注意：此次更新后的主控端需要和受控端匹配使用，否则可能出现问题。
+
+2019.4.4
+
+ghost项目采用VS2012 xp模式编译，以便支持在XP系统上运行。
diff --git a/client/SystemManager.cpp b/client/SystemManager.cpp
index 3b6e3d6..2bf10d8 100644
--- a/client/SystemManager.cpp
+++ b/client/SystemManager.cpp
@@ -8,6 +8,11 @@
 #include <IOSTREAM>
 using namespace std;
 #include <TLHELP32.H>
+
+#ifndef PSAPI_VERSION
+#define PSAPI_VERSION 1
+#endif
+
 #include <Psapi.h>
 
 #pragma comment(lib,"psapi.lib")
diff --git a/client/ghost.vcxproj b/client/ghost.vcxproj
index c925ef4..5a2c6c7 100644
--- a/client/ghost.vcxproj
+++ b/client/ghost.vcxproj
@@ -19,14 +19,14 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v110_xp</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v110_xp</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
@@ -42,9 +42,13 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <IntDir>$(Configuration)\ghost</IntDir>
+    <IncludePath>$(WindowsSDK_IncludePath);$(IncludePath)</IncludePath>
+    <LibraryPath>$(WindowsSDK_LibraryPath_x86);$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <IntDir>$(Configuration)\ghost</IntDir>
+    <IncludePath>$(WindowsSDK_IncludePath);$(IncludePath)</IncludePath>
+    <LibraryPath>$(WindowsSDK_LibraryPath_x86);$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>