diff --git a/config/configs.go b/config/configs.go
index b975644..50a745a 100644
--- a/config/configs.go
+++ b/config/configs.go
@@ -37,14 +37,15 @@ type (
 
 	// ServerNode dotweb app's httpserver config
 	ServerNode struct {
-		EnabledListDir              bool   `xml:"enabledlistdir,attr"`   // enable listing of directories, only valid for Router.ServerFile, default is false
-		EnabledRequestID            bool   `xml:"enabledrequestid,attr"` // enable uniq request ID, default is false, 32-bit UUID is used if enabled
-		EnabledGzip                 bool   `xml:"enabledgzip,attr"`      // enable gzip
-		EnabledAutoHEAD             bool   `xml:"enabledautohead,attr"`  // ehanble HEAD routing, default is false, will add HEAD routing for all routes except for websocket and HEAD
-		EnabledAutoOPTIONS          bool   // enable OPTIONS routing, default is false, will add OPTIONS routing for all routes except for websocket and OPTIONS
-		EnabledIgnoreFavicon        bool   `xml:"enabledignorefavicon,attr"`  // ignore favicon.ico request, return empty reponse if set
-		EnabledBindUseJsonTag       bool   `xml:"enabledbindusejsontag,attr"` // allow Bind to use JSON tag, default is false, Bind will use json tag automatically and ignore form tag
-		EnabledStaticFileMiddleware bool   // The flag which enabled or disabled middleware for static-file route
+		EnabledListDir               bool   `xml:"enabledlistdir,attr"`         // enable listing of directories, only valid for Router.ServerFile, default is false
+		EnabledRequestID             bool   `xml:"enabledrequestid,attr"`       // enable uniq request ID, default is false, 32-bit UUID is used if enabled
+		EnabledGzip                  bool   `xml:"enabledgzip,attr"`            // enable gzip
+		EnabledAutoHEAD              bool   `xml:"enabledautohead,attr"`        // ehanble HEAD routing, default is false, will add HEAD routing for all routes except for websocket and HEAD
+		EnabledAutoOPTIONS           bool   `xml:"-"`                           // enable OPTIONS routing, default is false, will add OPTIONS routing for all routes except for websocket and OPTIONS
+		EnabledRedirectTrailingSlash bool   `xml:"enabledredirecttrailingslash,attr"` // enable automatic redirection for URLs with trailing slash, default is false to match net/http behavior
+		EnabledIgnoreFavicon         bool   `xml:"enabledignorefavicon,attr"`  // ignore favicon.ico request, return empty reponse if set
+		EnabledBindUseJsonTag        bool   `xml:"enabledbindusejsontag,attr"` // allow Bind to use JSON tag, default is false, Bind will use json tag automatically and ignore form tag
+		EnabledStaticFileMiddleware  bool   `xml:"-"` // The flag which enabled or disabled middleware for static-file route
 		Port                        int    `xml:"port,attr"`                     // port
 		EnabledTLS                  bool   `xml:"enabledtls,attr"`               // enable TLS
 		TLSCertFile                 string `xml:"tlscertfile,attr"`              // certifications file for TLS
diff --git a/consts.go b/consts.go
index ba5e7b0..e6e4dd4 100644
--- a/consts.go
+++ b/consts.go
@@ -3,7 +3,7 @@ package dotweb
 // Global define
 const (
 	// Version current version
-	Version = "1.7.3"
+	Version = "1.8"
 )
 
 // Log define
diff --git a/dotweb.go b/dotweb.go
index abefcd5..9f42176 100644
--- a/dotweb.go
+++ b/dotweb.go
@@ -705,7 +705,14 @@ func DefaultMethodNotAllowedHandler(ctx Context) {
 
 // DefaultAutoOPTIONSHandler default handler for options request
 // if set HttpServer.EnabledAutoOPTIONS, auto bind this handler
+// Sets CORS headers to support cross-origin preflight requests (Issue #250)
 func DefaultAutoOPTIONSHandler(ctx Context) error {
+	// Set CORS headers for preflight requests
+	h := ctx.Response().Header()
+	h.Set("Access-Control-Allow-Origin", "*")
+	h.Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+	h.Set("Access-Control-Allow-Headers", "Content-Type, Authorization, X-Requested-With")
+	h.Set("Access-Control-Max-Age", "86400")
 	return ctx.WriteStringC(http.StatusNoContent, "")
 }
 
diff --git a/router.go b/router.go
index aa19137..4ae3b87 100644
--- a/router.go
+++ b/router.go
@@ -155,8 +155,16 @@ func (ps Params) ByName(name string) string {
 // New returns a new initialized Router.
 // Path auto-correction, including trailing slashes, is enabled by default.
 func NewRouter(server *HttpServer) *router {
+	// Use ServerConfig.EnabledRedirectTrailingSlash if set, otherwise default to false
+	// to match net/http behavior (Issue #245)
+	// Note: During initialization, ServerConfig may be nil, so we check for that
+	redirectTrailingSlash := false
+	if server != nil && server.DotApp != nil && server.DotApp.Config != nil && server.DotApp.Config.Server != nil {
+		redirectTrailingSlash = server.ServerConfig().EnabledRedirectTrailingSlash
+	}
+	
 	return &router{
-		RedirectTrailingSlash: true,
+		RedirectTrailingSlash: redirectTrailingSlash,
 		RedirectFixedPath:     true,
 		HandleOPTIONS:         true,
 		allRouterExpress:      make(map[string]struct{}),