diff --git a/tools/goctl/api/gogen/genroutes.go b/tools/goctl/api/gogen/genroutes.go
index abd0c001..cd41b220 100644
--- a/tools/goctl/api/gogen/genroutes.go
+++ b/tools/goctl/api/gogen/genroutes.go
@@ -39,12 +39,15 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 )
 
 var mapping = map[string]string{
-	"delete": "http.MethodDelete",
-	"get":    "http.MethodGet",
-	"head":   "http.MethodHead",
-	"post":   "http.MethodPost",
-	"put":    "http.MethodPut",
-	"patch":  "http.MethodPatch",
+	"delete":  "http.MethodDelete",
+	"get":     "http.MethodGet",
+	"head":    "http.MethodHead",
+	"post":    "http.MethodPost",
+	"put":     "http.MethodPut",
+	"patch":   "http.MethodPatch",
+	"connect": "http.MethodConnect",
+	"options": "http.MethodOptions",
+	"trace":   "http.MethodTrace",
 }
 
 type (
diff --git a/tools/goctl/api/parser/g4/ast/api.go b/tools/goctl/api/parser/g4/ast/api.go
index 4bf94732..2694c6d2 100644
--- a/tools/goctl/api/parser/g4/ast/api.go
+++ b/tools/goctl/api/parser/g4/ast/api.go
@@ -2,11 +2,14 @@ package ast
 
 import (
 	"fmt"
+	"path"
 	"sort"
 
 	"github.com/tal-tech/go-zero/tools/goctl/api/parser/g4/gen/api"
 )
 
+const prefixKey = "prefix"
+
 // Api describes syntax for api
 type Api struct {
 	LinePrefix string
@@ -49,8 +52,15 @@ func (v *ApiVisitor) acceptService(root, final *Api) {
 		}
 		v.duplicateServerItemCheck(service)
 
+		var prefix string
+		if service.AtServer != nil {
+			p := service.AtServer.Kv.Get(prefixKey)
+			if p != nil {
+				prefix = p.Text()
+			}
+		}
 		for _, route := range service.ServiceApi.ServiceRoute {
-			uniqueRoute := fmt.Sprintf("%s %s", route.Route.Method.Text(), route.Route.Path.Text())
+			uniqueRoute := fmt.Sprintf("%s %s", route.Route.Method.Text(), path.Join(prefix, route.Route.Path.Text()))
 			if _, ok := final.routeM[uniqueRoute]; ok {
 				v.panic(route.Route.Method, fmt.Sprintf("duplicate route '%s'", uniqueRoute))
 			}
diff --git a/tools/goctl/api/parser/g4/ast/apiparser.go b/tools/goctl/api/parser/g4/ast/apiparser.go
index bdf5e91c..b0c9c6a5 100644
--- a/tools/goctl/api/parser/g4/ast/apiparser.go
+++ b/tools/goctl/api/parser/g4/ast/apiparser.go
@@ -3,6 +3,7 @@ package ast
 import (
 	"fmt"
 	"io/ioutil"
+	"path"
 	"path/filepath"
 	"strings"
 
@@ -113,13 +114,13 @@ func (p *Parser) parse(filename, content string) (*Api, error) {
 	apiAstList = append(apiAstList, root)
 	for _, imp := range root.Import {
 		dir := filepath.Dir(p.src)
-		path := filepath.Join(dir, imp.Value.Text())
-		data, err := p.readContent(path)
+		imp := filepath.Join(dir, imp.Value.Text())
+		data, err := p.readContent(imp)
 		if err != nil {
 			return nil, err
 		}
 
-		nestedApi, err := p.invoke(path, data)
+		nestedApi, err := p.invoke(imp, data)
 		if err != nil {
 			return nil, err
 		}
@@ -196,8 +197,8 @@ func (p *Parser) valid(mainApi, nestedApi *Api) error {
 			if handler.IsNotNil() {
 				handlerName := handler.Text()
 				handlerMap[handlerName] = Holder
-				path := fmt.Sprintf("%s://%s", g.Route.Method.Text(), g.Route.Path.Text())
-				routeMap[path] = Holder
+				route := fmt.Sprintf("%s://%s", g.Route.Method.Text(), g.Route.Path.Text())
+				routeMap[route] = Holder
 			}
 		}
 
@@ -239,6 +240,13 @@ func (p *Parser) valid(mainApi, nestedApi *Api) error {
 
 func (p *Parser) duplicateRouteCheck(nestedApi *Api, mainHandlerMap, mainRouteMap map[string]PlaceHolder) error {
 	for _, each := range nestedApi.Service {
+		var prefix string
+		if each.AtServer != nil {
+			p := each.AtServer.Kv.Get(prefixKey)
+			if p != nil {
+				prefix = p.Text()
+			}
+		}
 		for _, r := range each.ServiceApi.ServiceRoute {
 			handler := r.GetHandler()
 			if !handler.IsNotNil() {
@@ -250,8 +258,8 @@ func (p *Parser) duplicateRouteCheck(nestedApi *Api, mainHandlerMap, mainRouteMa
 					nestedApi.LinePrefix, handler.Line(), handler.Column(), handler.Text())
 			}
 
-			path := fmt.Sprintf("%s://%s", r.Route.Method.Text(), r.Route.Path.Text())
-			if _, ok := mainRouteMap[path]; ok {
+			p := fmt.Sprintf("%s://%s", r.Route.Method.Text(), path.Join(prefix, r.Route.Path.Text()))
+			if _, ok := mainRouteMap[p]; ok {
 				return fmt.Errorf("%s line %d:%d duplicate route '%s'",
 					nestedApi.LinePrefix, r.Route.Method.Line(), r.Route.Method.Column(), r.Route.Method.Text()+" "+r.Route.Path.Text())
 			}