enable domain matching, removed unnecessary path_pattern check

internal/net/http/serve_mux.go

@@ -0,0 +1,21 @@
+package http
+
+import "net/http"
+
+type ServeMux struct {
+	*http.ServeMux
+}
+
+func NewServeMux() ServeMux {
+	return ServeMux{http.NewServeMux()}
+}
+
+func (mux ServeMux) HandleFunc(pattern string, handler http.HandlerFunc) (err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			err = r.(error)
+		}
+	}()
+	mux.ServeMux.HandleFunc(pattern, handler)
+	return
+}