diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..314c5af
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,32 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Debug",
+            "type": "go",
+            "request": "launch",
+            "mode": "debug",
+            "remotePath": "",
+            "port": 2345,
+            "host": "127.0.0.1",
+            "program": "${workspaceRoot}/main.go",
+            "env": {},
+            "args": [],
+            "showLog": true
+        },
+        {
+            "name": "File Debug",
+            "type": "go",
+            "request": "launch",
+            "mode": "debug",
+            "remotePath": "",
+            "port": 2345,
+            "host": "127.0.0.1",
+            "program": "${fileDirname}",
+            "env": {},
+            "args": [],
+            "showLog": true
+        }
+
+    ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..2c3457b
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,14 @@
+{
+  "editor.tabSize": 2,
+  "editor.insertSpaces": true,
+  "editor.formatOnSave": true,
+  "editor.formatOnPaste": true,
+  "editor.autoClosingBrackets": true,
+  "editor.trimAutoWhitespace": true,
+  "files.trimTrailingWhitespace": true,
+  "files.trimFinalNewlines": true,
+  "go.testFlags": [
+    "-v",
+  ],
+  "go.testTimeout": "60s"
+}
\ No newline at end of file
diff --git a/wmi/wmi.go b/wmi/wmi.go
index 1f95242..a39a7ed 100644
--- a/wmi/wmi.go
+++ b/wmi/wmi.go
@@ -19,16 +19,21 @@ const (
 
 type WMIMatcher struct {
 	osm.Matchers
+	meta osm.Metadata
 }
 
 func (w *WMIMatcher) Key() string {
 	return "WMI"
 }
 
-func (w *WMIMatcher) String() string {
+func (w *WMIMatcher) Name() string {
 	return "WMI"
 }
 
+func (w *WMIMatcher) Meta() osm.Metadata {
+	return w.meta
+}
+
 func (w *WMIMatcher) IsPrePacket() bool {
 	return false
 }
@@ -41,10 +46,10 @@ func (w *WMIMatcher) IsError(info osm.MatchInfo, index int, packet *osm.Packet)
 	return false
 }
 
-func (w *WMIMatcher) Match(info osm.MatchInfo, index int, packet *osm.Packet) bool {
+func (w *WMIMatcher) Match(info osm.MatchInfo, index int, packet *osm.Packet) error {
 
 	if packet == nil {
-		return false
+		return osm.NoPacketReceivedError()
 	}
 
 	buf := new(bytes.Buffer)
@@ -57,28 +62,28 @@ func (w *WMIMatcher) Match(info osm.MatchInfo, index int, packet *osm.Packet) bo
 	switch index {
 	case 0:
 		if wmiRecv.Call_id != WMI_CALL_ID_1 {
-			return false
+			return osm.NotMatchedError()
 		}
 
 		if wmiRecv.Ptype != PDU_BIND_ACK {
-			return false
+			return osm.NotMatchedError()
 		}
 
-		return true
+		return nil
 	case 1:
 
 		if wmiRecv.Call_id != WMI_CALL_ID_2 {
-			return false
+			return osm.NotMatchedError()
 		}
 
 		if wmiRecv.Ptype != PDU_RESP {
-			return false
+			return osm.NotMatchedError()
 		}
 
-		return true
+		return nil
 	}
 
-	return false
+	return osm.NotMatchedError()
 }
 
 func NewMatcher() osm.Matcher {
diff --git a/wmi/wmi_test.go b/wmi/wmi_test.go
index 468b9ff..357bb1a 100644
--- a/wmi/wmi_test.go
+++ b/wmi/wmi_test.go
@@ -1,7 +1,6 @@
 package wmi
 
 import (
-	"fmt"
 	"net"
 	"testing"
 
@@ -10,40 +9,30 @@ import (
 
 func TestWMI(t *testing.T) {
 
-	lm := NewMatcher()
-
-	//port := types.NewPort("135", types.NewHost("192.168.1.1"), types.TYPE_TCP)
-	//scanInfo := scaninfo.NewServiceScanInfo(port)
-	//var ipport string
-	//ipport = port.Host.Ip + ":" + string(port.Port)
-
-	//fmt.Println(ipport)
-	client, _ := net.Dial("tcp", "192.168.1.106:135")
-
-	defer client.Close()
-
-	fmt.Println(lm.PacketCount())
-
-	for ii := 0; ii < lm.PacketCount(); ii++ {
-
-		pack := lm.Packet(ii)
-
-		fmt.Println(pack)
-
-		client.Write(pack.Buffer)
-
-		bytes := make([]byte, 1024)
-
-		read, _ := client.Read(bytes)
-
-		//fmt.Println(bytes)
-
-		b := lm.Match(nil, ii, osm.NewPacket(bytes, read))
-
-		if b {
-			fmt.Println("Good")
-		}
+	m := NewMatcher()
 
+	conn, err := net.Dial("tcp", "192.168.1.203:135")
+	if err != nil {
+		t.Error(err)
 	}
 
+	defer conn.Close()
+
+	for i := 0; i < m.PacketCount(); i++ {
+		_, err := conn.Write(m.Packet(i).Buffer)
+		if err != nil {
+			t.Error(err)
+		}
+		bytes := make([]byte, 1024)
+		n, _ := conn.Read(bytes)
+		p := osm.NewPacket(bytes, n)
+
+		if err := m.Match(nil, i, p); err != nil {
+			t.Error(err)
+			return
+		}
+	}
+	t.Log(m.Name())
+	t.Log(m.Meta())
+
 }