minor changes

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

server/options.go

@@ -16,6 +16,7 @@ import (
 	"go.unistack.org/micro/v3/network/transport"
 	"go.unistack.org/micro/v3/register"
 	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v3/util/id"
 )
 
 // Option func
@@ -106,7 +107,7 @@ func NewOptions(opts ...Option) Options {
 		Address:          DefaultAddress,
 		Name:             DefaultName,
 		Version:          DefaultVersion,
-		ID:               DefaultID,
+		ID:               id.Must(),
 		Namespace:        DefaultNamespace,
 	}
 

server/server.go

@@ -8,7 +8,6 @@ import (
 	"go.unistack.org/micro/v3/codec"
 	"go.unistack.org/micro/v3/metadata"
 	"go.unistack.org/micro/v3/register"
-	"go.unistack.org/micro/v3/util/id"
 )
 
 // DefaultServer default server
@@ -21,8 +20,6 @@ var (
 	DefaultName = "server"
 	// DefaultVersion will be used if no version passed
 	DefaultVersion = "latest"
-	// DefaultID will be used if no id passed
-	DefaultID = id.Must()
 	// DefaultRegisterCheck holds func that run before register server
 	DefaultRegisterCheck = func(context.Context) error { return nil }
 	// DefaultRegisterInterval holds interval for register

util/reflect/reflect.go

@@ -90,9 +90,12 @@ func Merge(dst interface{}, mp map[string]interface{}, opts ...Option) error {
 		}
 
 		val, ok := mp[fname]
+		if !ok {
+			val, ok = mp[dfld.Name]
 			if !ok {
 				continue
 			}
+		}
 
 		sval = reflect.ValueOf(val)