diff --git a/code/client/tunnel/vnc/core/capture_windows.go b/code/client/tunnel/vnc/core/capture_windows.go
index 57dded6..edb3ef0 100644
--- a/code/client/tunnel/vnc/core/capture_windows.go
+++ b/code/client/tunnel/vnc/core/capture_windows.go
@@ -13,7 +13,7 @@ import (
 func (worker *Worker) runCapture(conn *websocket.Conn) {
 	err := worker.capture()
 	if err != nil {
-		logging.Error(err.Error())
+		logging.Error("capture: %v", err.Error())
 		captureError(conn, err.Error())
 		return
 	}
diff --git a/code/client/tunnel/vnc/h_ws.go b/code/client/tunnel/vnc/h_ws.go
new file mode 100644
index 0000000..23626fc
--- /dev/null
+++ b/code/client/tunnel/vnc/h_ws.go
@@ -0,0 +1,23 @@
+package vnc
+
+import (
+	"natpass/code/client/pool"
+	"net/http"
+	"strings"
+
+	"github.com/lwch/logging"
+)
+
+func (v *VNC) WS(pool *pool.Pool, w http.ResponseWriter, r *http.Request) {
+	id := strings.TrimPrefix(r.URL.Path, "/ws/")
+	conn := pool.Get(id)
+	if conn == nil {
+		http.NotFound(w, r)
+		return
+	}
+	ch := conn.ChanRead(id)
+	for {
+		msg := <-ch
+		logging.Info("%s", msg.String())
+	}
+}
diff --git a/code/client/tunnel/vnc/vnc.go b/code/client/tunnel/vnc/vnc.go
index 5bfd3ed..f7b0a3b 100644
--- a/code/client/tunnel/vnc/vnc.go
+++ b/code/client/tunnel/vnc/vnc.go
@@ -94,6 +94,7 @@ func (v *VNC) Handle(pl *pool.Pool) {
 	}
 	mux := http.NewServeMux()
 	mux.HandleFunc("/new", pf(v.New))
+	mux.HandleFunc("/ws/", pf(v.WS))
 	mux.HandleFunc("/", v.Render)
 	svr := &http.Server{
 		Addr:    fmt.Sprintf("%s:%d", v.cfg.LocalAddr, v.cfg.LocalPort),