diff --git a/contrib/registry/file/file.go b/contrib/registry/file/file.go
index aa20fd071..507bb78f7 100644
--- a/contrib/registry/file/file.go
+++ b/contrib/registry/file/file.go
@@ -19,10 +19,11 @@ var (
 )
 
 const (
-	updateAtKey           = "UpdateAt"
-	serviceTTL            = 20 * time.Second
-	serviceUpdateInterval = 10 * time.Second
-	defaultSeparator      = "#"
+	updateAtKey                      = "UpdateAt"
+	serviceTTL                       = 20 * time.Second
+	serviceUpdateInterval            = 10 * time.Second
+	defaultSeparator                 = "#"
+	defaultEndpointHostPortDelimiter = "-"
 )
 
 // Registry implements interface Registry using file.
diff --git a/contrib/registry/file/file_discovery.go b/contrib/registry/file/file_discovery.go
index a8cc028d1..e6b4560b3 100644
--- a/contrib/registry/file/file_discovery.go
+++ b/contrib/registry/file/file_discovery.go
@@ -108,6 +108,8 @@ func (r *Registry) getServiceByFilePath(filePath string) (gsvc.Service, error) {
 		fileContent = gfile.GetContents(filePath)
 		serviceKey  = gstr.Replace(fileName, defaultSeparator, gsvc.DefaultSeparator)
 	)
+
+	serviceKey = gstr.Replace(serviceKey, defaultEndpointHostPortDelimiter, gsvc.EndpointHostPortDelimiter)
 	serviceKey = gsvc.DefaultSeparator + serviceKey
 	return gsvc.NewServiceWithKV(serviceKey, fileContent)
 }
diff --git a/contrib/registry/file/file_registrar.go b/contrib/registry/file/file_registrar.go
index e9c4139b1..d98098779 100644
--- a/contrib/registry/file/file_registrar.go
+++ b/contrib/registry/file/file_registrar.go
@@ -58,5 +58,6 @@ func (r *Registry) getServiceFileName(service gsvc.Service) string {
 func (r *Registry) getServiceKeyForFile(key string) string {
 	key = gstr.Replace(key, gsvc.DefaultSeparator, defaultSeparator)
 	key = gstr.Trim(key, defaultSeparator)
+	key = gstr.Replace(key, gsvc.EndpointHostPortDelimiter, defaultEndpointHostPortDelimiter)
 	return key
 }
diff --git a/net/gsvc/gsvc.go b/net/gsvc/gsvc.go
index e192c38da..34d0c0424 100644
--- a/net/gsvc/gsvc.go
+++ b/net/gsvc/gsvc.go
@@ -129,8 +129,8 @@ const (
 	MDWeight                  = `weight`
 	DefaultProtocol           = `http`
 	DefaultSeparator          = "/"
+	EndpointHostPortDelimiter = ":"
 	defaultTimeout            = 5 * time.Second
-	endpointHostPortDelimiter = ":"
 	endpointsDelimiter        = ","
 )
 
diff --git a/net/gsvc/gsvc_endpoint.go b/net/gsvc/gsvc_endpoint.go
index f75e3fe3e..d4420614f 100644
--- a/net/gsvc/gsvc_endpoint.go
+++ b/net/gsvc/gsvc_endpoint.go
@@ -25,7 +25,7 @@ type LocalEndpoint struct {
 // NewEndpoint creates and returns an Endpoint from address string of pattern "host:port",
 // eg: "192.168.1.100:80".
 func NewEndpoint(address string) Endpoint {
-	array := gstr.SplitAndTrim(address, endpointHostPortDelimiter)
+	array := gstr.SplitAndTrim(address, EndpointHostPortDelimiter)
 	if len(array) != 2 {
 		panic(gerror.NewCodef(
 			gcode.CodeInvalidParameter,