diff --git a/WindowsMonitor/Native/Native.vcxproj b/WindowsMonitor/Native/Native.vcxproj
index 5ba87835..45ae3878 100644
--- a/WindowsMonitor/Native/Native.vcxproj
+++ b/WindowsMonitor/Native/Native.vcxproj
@@ -153,6 +153,7 @@
     <ClInclude Include="Native.h" />
     <ClInclude Include="NetworkInterfaceMonitor.h" />
     <ClInclude Include="stdafx.h" />
+    <ClInclude Include="TCPv4Monitor.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Common.cpp" />
@@ -179,6 +180,7 @@
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
     </ClCompile>
+    <ClCompile Include="TCPv4Monitor.cpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/WindowsMonitor/Native/Native.vcxproj.filters b/WindowsMonitor/Native/Native.vcxproj.filters
index c84af46c..d39730b5 100644
--- a/WindowsMonitor/Native/Native.vcxproj.filters
+++ b/WindowsMonitor/Native/Native.vcxproj.filters
@@ -36,6 +36,9 @@
     <ClInclude Include="Common.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="TCPv4Monitor.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">
@@ -56,5 +59,8 @@
     <ClCompile Include="Common.cpp">
       <Filter>源文件</Filter>
     </ClCompile>
+    <ClCompile Include="TCPv4Monitor.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/main/java/org/bench4q/monitor/Main.java b/src/main/java/org/bench4q/monitor/Main.java
index b83d7f7a..14223a01 100644
--- a/src/main/java/org/bench4q/monitor/Main.java
+++ b/src/main/java/org/bench4q/monitor/Main.java
@@ -5,6 +5,7 @@ import java.io.File;
 import org.bench4q.monitor.performance.windows.LogicalDiskMonitor;
 import org.bench4q.monitor.performance.windows.MemoryMonitor;
 import org.bench4q.monitor.performance.windows.NetworkInterfaceMonitor;
+import org.bench4q.monitor.performance.windows.TCPv4Monitor;
 
 public class Main {
 	static {
@@ -85,6 +86,12 @@ public class Main {
 			System.out.println(elem);
 		}
 
+		TCPv4Monitor tcpv4Monitor = new TCPv4Monitor();
+		String[] tcpv4Counter = tcpv4Monitor.getCounterList();
+		for (String elem : tcpv4Counter) {
+			System.out.println(elem);
+		}
+
 		MonitorServer monitorServer = new MonitorServer(5555);
 		monitorServer.start();
 	}
diff --git a/src/main/java/org/bench4q/monitor/performance/windows/TCPv4Monitor.java b/src/main/java/org/bench4q/monitor/performance/windows/TCPv4Monitor.java
new file mode 100644
index 00000000..c512fdb2
--- /dev/null
+++ b/src/main/java/org/bench4q/monitor/performance/windows/TCPv4Monitor.java
@@ -0,0 +1,23 @@
+package org.bench4q.monitor.performance.windows;
+
+public class TCPv4Monitor {
+	public native String[] getCounterList();
+
+	public native double getSegmentsPerSecond(int idleTime);
+
+	public native double getConnectionsEstablished();
+
+	public native double getConnectionsActive();
+
+	public native double getConnectionsPassive();
+
+	public native double getConnectionFailures();
+
+	public native double getConnectionsReset();
+
+	public native double getSegmentsReceivedPerSecond(int idleTime);
+
+	public native double getSegmentsSentPerSecond(int idleTime);
+
+	public native double getSegmentsRetransmittedPerSecond(int idleTime);
+}
diff --git a/src/main/java/org/bench4q/monitor/performance/windows/TcpMonitor.java b/src/main/java/org/bench4q/monitor/performance/windows/TCPv6Monitor.java
similarity index 65%
rename from src/main/java/org/bench4q/monitor/performance/windows/TcpMonitor.java
rename to src/main/java/org/bench4q/monitor/performance/windows/TCPv6Monitor.java
index 732900ca..64e83bfc 100644
--- a/src/main/java/org/bench4q/monitor/performance/windows/TcpMonitor.java
+++ b/src/main/java/org/bench4q/monitor/performance/windows/TCPv6Monitor.java
@@ -1,5 +1,5 @@
 package org.bench4q.monitor.performance.windows;
 
-public class TcpMonitor {
+public class TCPv6Monitor {
 
 }
diff --git a/src/main/java/org/bench4q/monitor/performance/windows/UdpMonitor.java b/src/main/java/org/bench4q/monitor/performance/windows/UDPv4Monitor.java
similarity index 65%
rename from src/main/java/org/bench4q/monitor/performance/windows/UdpMonitor.java
rename to src/main/java/org/bench4q/monitor/performance/windows/UDPv4Monitor.java
index 818f07fa..82767f75 100644
--- a/src/main/java/org/bench4q/monitor/performance/windows/UdpMonitor.java
+++ b/src/main/java/org/bench4q/monitor/performance/windows/UDPv4Monitor.java
@@ -1,5 +1,5 @@
 package org.bench4q.monitor.performance.windows;
 
-public class UdpMonitor {
+public class UDPv4Monitor {
 
 }
diff --git a/src/main/java/org/bench4q/monitor/performance/windows/UDPv6Monitor.java b/src/main/java/org/bench4q/monitor/performance/windows/UDPv6Monitor.java
new file mode 100644
index 00000000..8ba4f820
--- /dev/null
+++ b/src/main/java/org/bench4q/monitor/performance/windows/UDPv6Monitor.java
@@ -0,0 +1,5 @@
+package org.bench4q.monitor.performance.windows;
+
+public class UDPv6Monitor {
+
+}