diff --git a/README.md b/README.md
index 22c05e0..d4b27fc 100644
--- a/README.md
+++ b/README.md
@@ -64,11 +64,8 @@ import (
 func main() {
 	r := gin.New()
     
-	config := &ginSwagger.Config{
-		URL: "http://localhost:8080/swagger/doc.json", //The url pointing to API definition
-	}
-	// use ginSwagger middleware to 
-	r.GET("/swagger/*any", ginSwagger.WrapHandler(config, swaggerFiles.Handler))
+    // use ginSwagger middleware to 
+	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
 
 	r.Run()
 }
diff --git a/example/main.go b/example/main.go
index a3b6379..17bac13 100644
--- a/example/main.go
+++ b/example/main.go
@@ -25,10 +25,7 @@ import (
 func main() {
 	r := gin.New()
 
-	config := &ginSwagger.Config{
-		URL: "http://localhost:8080/swagger/doc.json", //The url pointing to API definition
-	}
-	r.GET("/swagger/*any", ginSwagger.WrapHandler(config, swaggerFiles.Handler))
+	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
 
 	r.Run()
 }
diff --git a/swagger.go b/swagger.go
index b27457e..4795c24 100644
--- a/swagger.go
+++ b/swagger.go
@@ -11,28 +11,21 @@ import (
 	"github.com/swaggo/swag"
 )
 
-// Config stores ginSwagger configuration variables.
-type Config struct {
-	//The url pointing to API definition (normally swagger.json or swagger.yaml).
-	URL string
-}
-
 // WrapHandler wraps `http.Handler` into `gin.HandlerFunc`.
-func WrapHandler(config *Config, h *webdav.Handler) gin.HandlerFunc {
+func WrapHandler(h *webdav.Handler) gin.HandlerFunc {
 	//create a template with name
 	t := template.New("swagger_index.html")
 	index, _ := t.Parse(swagger_index_templ)
 
-	var rexp = regexp.MustCompile(`(.*)(index\.html|doc\.json|favicon-16x16\.png|favicon-32x32\.png|/oauth2-redirect\.html|swagger-ui\.css|swagger-ui\.css\.map|swagger-ui\.js|swagger-ui\.js\.map|swagger-ui-bundle\.js|swagger-ui-bundle\.js\.map|swagger-ui-standalone-preset\.js|swagger-ui-standalone-preset\.js\.map)[\?|.]*`)
+	type pro struct {
+		Host string
+	}
+
+	var re = regexp.MustCompile(`(.*)(index\.html|doc\.json|favicon-16x16\.png|favicon-32x32\.png|/oauth2-redirect\.html|swagger-ui\.css|swagger-ui\.css\.map|swagger-ui\.js|swagger-ui\.js\.map|swagger-ui-bundle\.js|swagger-ui-bundle\.js\.map|swagger-ui-standalone-preset\.js|swagger-ui-standalone-preset\.js\.map)[\?|.]*`)
 
 	return func(c *gin.Context) {
-
-		type swaggerUIBundle struct {
-			URL string
-		}
-
 		var matches []string
-		if matches = rexp.FindStringSubmatch(c.Request.RequestURI); len(matches) != 3 {
+		if matches = re.FindStringSubmatch(c.Request.RequestURI); len(matches) != 3 {
 			c.Status(404)
 			c.Writer.Write([]byte("404 page not found"))
 			return
@@ -43,9 +36,10 @@ func WrapHandler(config *Config, h *webdav.Handler) gin.HandlerFunc {
 
 		switch path {
 		case "index.html":
-			index.Execute(c.Writer, &swaggerUIBundle{
-				URL: config.URL,
-			})
+			s := &pro{
+				Host: "doc.json", //TODO: provide to customs?
+			}
+			index.Execute(c.Writer, s)
 		case "doc.json":
 			doc, err := swag.ReadDoc()
 			if err != nil {
@@ -55,13 +49,14 @@ func WrapHandler(config *Config, h *webdav.Handler) gin.HandlerFunc {
 			return
 		default:
 			h.ServeHTTP(c.Writer, c.Request)
+
 		}
 	}
 }
 
 // DisablingWrapHandler turn handler off
 // if specified environment variable passed
-func DisablingWrapHandler(config *Config, h *webdav.Handler, envName string) gin.HandlerFunc {
+func DisablingWrapHandler(h *webdav.Handler, envName string) gin.HandlerFunc {
 	eFlag := os.Getenv(envName)
 	if eFlag != "" {
 		return func(c *gin.Context) {
@@ -71,7 +66,7 @@ func DisablingWrapHandler(config *Config, h *webdav.Handler, envName string) gin
 		}
 	}
 
-	return WrapHandler(config, h)
+	return WrapHandler(h)
 }
 
 const swagger_index_templ = `<!-- HTML for static distribution bundle build -->
@@ -149,7 +144,7 @@ const swagger_index_templ = `<!-- HTML for static distribution bundle build -->
 window.onload = function() {
   // Build a system
   const ui = SwaggerUIBundle({
-    url: "{{.URL}}",
+    url: "{{.Host}}",
     dom_id: '#swagger-ui',
     validatorUrl: null,
     presets: [
diff --git a/swagger_test.go b/swagger_test.go
index 4d5a4f7..4fffb2b 100644
--- a/swagger_test.go
+++ b/swagger_test.go
@@ -16,7 +16,7 @@ func TestWrapHandler(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 	router := gin.New()
 
-	router.GET("/*any", WrapHandler(&Config{}, swaggerFiles.Handler))
+	router.GET("/*any", WrapHandler(swaggerFiles.Handler))
 
 	w1 := performRequest("GET", "/index.html", router)
 	assert.Equal(t, 200, w1.Code)
@@ -37,7 +37,7 @@ func TestDisablingWrapHandler(t *testing.T) {
 	router := gin.New()
 	disablingKey := "SWAGGER_DISABLE"
 
-	router.GET("/simple/*any", DisablingWrapHandler(&Config{}, swaggerFiles.Handler, disablingKey))
+	router.GET("/simple/*any", DisablingWrapHandler(swaggerFiles.Handler, disablingKey))
 
 	w1 := performRequest("GET", "/simple/index.html", router)
 	assert.Equal(t, 200, w1.Code)
@@ -53,7 +53,7 @@ func TestDisablingWrapHandler(t *testing.T) {
 
 	os.Setenv(disablingKey, "true")
 
-	router.GET("/disabling/*any", DisablingWrapHandler(&Config{}, swaggerFiles.Handler, disablingKey))
+	router.GET("/disabling/*any", DisablingWrapHandler(swaggerFiles.Handler, disablingKey))
 
 	w11 := performRequest("GET", "/disabling/index.html", router)
 	assert.Equal(t, 404, w11.Code)