diff --git a/adb/device.go b/adb/device.go
index a172e56..49237c2 100644
--- a/adb/device.go
+++ b/adb/device.go
@@ -21,6 +21,11 @@ type DeviceInfo struct {
 	Props       map[string]string
 }
 
+type AdbDevice struct {
+	Connect net.Conn
+	Serial  string
+}
+
 // ListDevicesRaw: 请求 host:devices 并返回原始 payload
 func ListDevicesRaw(addr string, timeout time.Duration) (string, error) {
 	conn, err := DialADB(addr, timeout)
diff --git a/cmd/main.go b/cmd/main.go
index 96ded52..c79b4a2 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -4,16 +4,15 @@ import (
 	"encoding/json"
 	"fmt"
 	"go-mobile-uiautomator/adb"
-	selector "go-mobile-uiautomator/libs"
 	"go-mobile-uiautomator/services"
 	"time"
 )
 
-const serial = "192.168.4.103:5555"
+const serial = "emulator-5556"
 const addr = "127.0.0.1:5037"
 
 func main() {
-	selector.Example()
+	LaunchUiautomator()
 }
 
 func LaunchUiautomator() {