diff --git a/Makefile b/Makefile
index 46265203a92..85d4f529958 100644
--- a/Makefile
+++ b/Makefile
@@ -33,9 +33,8 @@ version:
 .PHONY: subup
 subup:
 	@set -e; \
-	cd examples; \
 	echo "Updating submodules..."; \
-	git pull origin; \
+	cd examples && git pull origin main; \
 	cd ..;
 
 # update and commit submodules
diff --git a/contrib/registry/file/file_z_http_test.go b/contrib/registry/file/file_z_http_test.go
index a1eac283b44..500837c3351 100644
--- a/contrib/registry/file/file_z_http_test.go
+++ b/contrib/registry/file/file_z_http_test.go
@@ -45,6 +45,7 @@ func Test_HTTP_Registry(t *testing.T) {
 
 	gtest.C(t, func(t *gtest.T) {
 		client := g.Client()
+		client.SetDiscovery(gsvc.GetRegistry())
 		client.SetPrefix(fmt.Sprintf("http://%s", svcName))
 		// GET
 		t.Assert(client.GetContent(ctx, "/http-registry"), svcName)
@@ -71,6 +72,7 @@ func Test_HTTP_Discovery_Disable(t *testing.T) {
 
 	gtest.C(t, func(t *gtest.T) {
 		client := g.Client()
+		client.SetDiscovery(gsvc.GetRegistry())
 		client.SetPrefix(fmt.Sprintf("http://%s", svcName))
 		result, err := client.Get(ctx, "/http-registry")
 		defer result.Close()
diff --git a/examples b/examples
index a4a36715aa0..2544fee34dd 160000
--- a/examples
+++ b/examples
@@ -1 +1 @@
-Subproject commit a4a36715aa01a720f136536c772028ddeaff213d
+Subproject commit 2544fee34dd10e6914687f7335bd9e772215ce07
diff --git a/net/gclient/gclient.go b/net/gclient/gclient.go
index f158808433b..10444a9fe5c 100644
--- a/net/gclient/gclient.go
+++ b/net/gclient/gclient.go
@@ -72,7 +72,7 @@ func New() *Client {
 		header:    make(map[string]string),
 		cookies:   make(map[string]string),
 		builder:   gsel.GetBuilder(),
-		discovery: gsvc.GetRegistry(),
+		discovery: nil,
 	}
 	c.header[httpHeaderUserAgent] = defaultClientAgent
 	// It enables OpenTelemetry for client in default.
diff --git a/net/gclient/gclient_discovery.go b/net/gclient/gclient_discovery.go
index aa1a52f1aac..ff9a1df9d9f 100644
--- a/net/gclient/gclient_discovery.go
+++ b/net/gclient/gclient_discovery.go
@@ -16,7 +16,6 @@ import (
 	"github.com/gogf/gf/v2/internal/intlog"
 	"github.com/gogf/gf/v2/net/gsel"
 	"github.com/gogf/gf/v2/net/gsvc"
-	"github.com/gogf/gf/v2/text/gstr"
 )
 
 type discoveryNode struct {
@@ -39,7 +38,7 @@ var clientSelectorMap = gmap.New(true)
 
 // internalMiddlewareDiscovery is a client middleware that enables service discovery feature for client.
 func internalMiddlewareDiscovery(c *Client, r *http.Request) (response *Response, err error) {
-	if c.discovery == nil && !isServiceName(r.URL.Host) {
+	if c.discovery == nil {
 		return c.Next(r)
 	}
 	var (
@@ -107,11 +106,3 @@ func updateSelectorNodesByService(ctx context.Context, selector gsel.Selector, s
 	}
 	return selector.Update(ctx, nodes)
 }
-
-// isServiceName checks and returns whether given input parameter is service name or not.
-// It checks by whether the parameter is address by containing port delimiter character ':'.
-//
-// It does not contain any port number if using service discovery.
-func isServiceName(serviceNameOrAddress string) bool {
-	return !gstr.Contains(serviceNameOrAddress, gsvc.EndpointHostPortDelimiter)
-}
diff --git a/util/gconv/gconv_struct.go b/util/gconv/gconv_struct.go
index 57fadd7c9d3..cbb6eb0b0cf 100644
--- a/util/gconv/gconv_struct.go
+++ b/util/gconv/gconv_struct.go
@@ -367,7 +367,7 @@ func bindVarToStructField(
 		customConverterInput reflect.Value
 		ok                   bool
 	)
-	if cachedFieldInfo.IsCustomConvert {
+	if cachedFieldInfo.HasCustomConvert {
 		if customConverterInput, ok = srcValue.(reflect.Value); !ok {
 			customConverterInput = reflect.ValueOf(srcValue)
 		}
diff --git a/util/gconv/internal/structcache/structcache_cached_field_info.go b/util/gconv/internal/structcache/structcache_cached_field_info.go
index 1009295e28e..6b07cae15cc 100644
--- a/util/gconv/internal/structcache/structcache_cached_field_info.go
+++ b/util/gconv/internal/structcache/structcache_cached_field_info.go
@@ -50,8 +50,8 @@ type CachedFieldInfoBase struct {
 	// Purpose: reduce the interface asserting cost in runtime.
 	IsCommonInterface bool
 
-	// IsCustomConvert marks there custom converting function for this field type.
-	IsCustomConvert bool
+	// HasCustomConvert marks there custom converting function for this field type.
+	HasCustomConvert bool
 
 	// StructField is the type info of this field.
 	StructField reflect.StructField
diff --git a/util/gconv/internal/structcache/structcache_cached_struct_info.go b/util/gconv/internal/structcache/structcache_cached_struct_info.go
index 24510737684..bf6a10aad91 100644
--- a/util/gconv/internal/structcache/structcache_cached_struct_info.go
+++ b/util/gconv/internal/structcache/structcache_cached_struct_info.go
@@ -99,7 +99,7 @@ func (csi *CachedStructInfo) makeCachedFieldInfo(
 		StructField:             field,
 		FieldIndexes:            fieldIndexes,
 		ConvertFunc:             csi.genFieldConvertFunc(field.Type.String()),
-		IsCustomConvert:         csi.checkTypeHasCustomConvert(field.Type),
+		HasCustomConvert:        csi.checkTypeHasCustomConvert(field.Type),
 		PriorityTagAndFieldName: csi.genPriorityTagAndFieldName(field, priorityTags),
 		RemoveSymbolsFieldName:  utils.RemoveSymbols(field.Name),
 	}