diff --git a/package.json b/package.json
index 78fdab8..f230c67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wkitd",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "type": "module",
   "main": "dist/index.js",
   "files": [
diff --git a/src/router/router-engine.js b/src/router/router-engine.js
index f4d0bf7..a7489df 100644
--- a/src/router/router-engine.js
+++ b/src/router/router-engine.js
@@ -64,7 +64,7 @@ class Router {
 
       re = route.path.replace(
         RULE_REGEXP,
-        function (m, _prefix, _var, _require) {
+        function (m, _prefix, _var, _require = '') {
           vars.push(_var.slice(1))
           if (_prefix === '/') {
             _prefix = '/?'
@@ -116,6 +116,7 @@ class Router {
     }
 
     for (let [k, route] of this.#tables) {
+      console.log(route, path.match(route.regexp))
       let args = path.match(route.regexp)
       if (args) {
         let params = Object.create(null)