diff --git a/net/ghttp/ghttp_server.go b/net/ghttp/ghttp_server.go
index 51b4608ef..80a40a2c2 100644
--- a/net/ghttp/ghttp_server.go
+++ b/net/ghttp/ghttp_server.go
@@ -293,15 +293,22 @@ func (s *Server) dumpRouterMap() {
 		table.SetCenterSeparator("|")
 
 		for _, item := range s.GetRoutes() {
-			item.Middleware = gstr.Replace(item.Middleware, ",", "\n")
-			data := make([]string, 0)
+			var (
+				data        = make([]string, 0)
+				handlerName = gstr.TrimRightStr(item.Handler.Name, "-fm")
+				middlewares = gstr.SplitAndTrim(item.Middleware, ",")
+			)
+			for k, v := range middlewares {
+				middlewares[k] = gstr.TrimRightStr(v, "-fm")
+			}
+			item.Middleware = gstr.Join(middlewares, "\n")
 			if isJustDefaultServerAndDomain {
 				data = append(
 					data,
 					item.Address,
 					item.Method,
 					item.Route,
-					item.Handler.Name,
+					handlerName,
 					item.Middleware,
 				)
 			} else {
@@ -312,7 +319,7 @@ func (s *Server) dumpRouterMap() {
 					item.Address,
 					item.Method,
 					item.Route,
-					item.Handler.Name,
+					handlerName,
 					item.Middleware,
 				)
 			}
diff --git a/util/gtag/gtag.go b/util/gtag/gtag.go
index 020f331b1..68d915806 100644
--- a/util/gtag/gtag.go
+++ b/util/gtag/gtag.go
@@ -6,25 +6,22 @@
 
 // Package gtag providing tag content storing for struct.
 //
-// Note that calling functions of this package is concurrently safe.
+// Note that calling functions of this package is not concurrently safe,
+// which means you cannot call them in runtime but in boot procedure.
 package gtag
 
 import (
 	"fmt"
 	"regexp"
-	"sync"
 )
 
 var (
-	mu    sync.RWMutex
 	data  = make(map[string]string)
 	regex = regexp.MustCompile(`\{(.+?)\}`)
 )
 
 // Set sets tag content for specified name.
 func Set(name, value string) {
-	mu.Lock()
-	defer mu.Unlock()
 	if _, ok := data[name]; ok {
 		panic(fmt.Sprintf(`value for tag "%s" already exists`, name))
 	}
@@ -33,8 +30,6 @@ func Set(name, value string) {
 
 // Sets sets multiple tag content by map.
 func Sets(m map[string]string) {
-	mu.Lock()
-	defer mu.Unlock()
 	for k, v := range m {
 		if _, ok := data[k]; ok {
 			panic(fmt.Sprintf(`value for tag "%s" already exists`, k))
@@ -45,8 +40,6 @@ func Sets(m map[string]string) {
 
 // Get retrieves and returns the stored tag content for specified name.
 func Get(name string) string {
-	mu.RLock()
-	defer mu.RUnlock()
 	return data[name]
 }
 
@@ -56,8 +49,6 @@ func Get(name string) string {
 // If "Demo:content" in tag mapping,
 // Parse(`This is {Demo}`) -> `This is content`.
 func Parse(content string) string {
-	mu.RLock()
-	defer mu.RUnlock()
 	return regex.ReplaceAllStringFunc(content, func(s string) string {
 		if v, ok := data[s[1:len(s)-1]]; ok {
 			return v