diff --git a/README.md b/README.md
index 29fc83c..5cb7d29 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ In Router mode, use the -exclude flag set pattern , direct to the repo which
 match the module path, pattern are matched to the full path specified, not only 
 to the host component.
 
-    ./bin/goproxy -listen=0.0.0.0:80 -cacheDir=/tmp/test -proxy https://goproxy.io -exclude "git.private.domain/[abc]"
+    ./bin/goproxy -listen=0.0.0.0:80 -cacheDir=/tmp/test -proxy https://goproxy.io -exclude "*.corp.example.com,rsc.io/private"
 
 ## Use docker image
 
diff --git a/proxy/router.go b/proxy/router.go
index e69daf1..048adce 100644
--- a/proxy/router.go
+++ b/proxy/router.go
@@ -31,18 +31,25 @@ func NewRouter(srv *Server, opts *RouterOptions) *Router {
 		srv: srv,
 	}
 	if opts != nil {
-		if remote, err := url.Parse(opts.Proxy); err == nil {
-			proxy := httputil.NewSingleHostReverseProxy(remote)
-			director := proxy.Director
-			proxy.Director = func(r *http.Request) {
-				director(r)
-				r.Host = remote.Host
-			}
-			rt.proxy = proxy
+		if opts.Proxy == "" {
+			log.Printf("not set proxy, all direct.")
+			return rt
+		}
+		remote, err := url.Parse(opts.Proxy)
+		if err != nil {
+			log.Printf("parse proxy fail, all direct.")
+			return rt
+		}
+		proxy := httputil.NewSingleHostReverseProxy(remote)
+		director := proxy.Director
+		proxy.Director = func(r *http.Request) {
+			director(r)
+			r.Host = remote.Host
+		}
+		rt.proxy = proxy
 
-			rt.proxy.Transport = &http.Transport{
-				TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
-			}
+		rt.proxy.Transport = &http.Transport{
+			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
 		}
 		rt.pattern = opts.Pattern
 	}
@@ -51,13 +58,13 @@ func NewRouter(srv *Server, opts *RouterOptions) *Router {
 
 func (rt *Router) Direct(path string) bool {
 	if rt.pattern == "" {
-		return true
+		return false
 	}
 	return GlobsMatchPath(rt.pattern, path)
 }
 
 func (rt *Router) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	if rt.proxy != nil && rt.Direct(r.URL.Path) {
+	if rt.proxy == nil || rt.Direct(strings.TrimPrefix(r.URL.Path, "/")) {
 		log.Printf("------ --- %s [direct]\n", r.URL)
 		rt.srv.ServeHTTP(w, r)
 		return