diff --git a/routing.go b/routing.go
index 198bd13..f6489a4 100755
--- a/routing.go
+++ b/routing.go
@@ -7,7 +7,6 @@ import (
 )
 
 type RouteMethod string
-type RouteCategory string
 type RouteService string
 type RouteParamType string
 type RouteParamCategory string
@@ -17,25 +16,25 @@ type RouteCtx struct {
 }
 
 const (
-	GET    RouteMethod = "GET"
-	POST   RouteMethod = "POST"
-	PUT    RouteMethod = "PUT"
-	DELETE RouteMethod = "DELETE"
+	GET       RouteMethod = "GET"
+	POST      RouteMethod = "POST"
+	PUT       RouteMethod = "PUT"
+	DELETE    RouteMethod = "DELETE"
+	WS        RouteMethod = "WS"
+	SSE       RouteMethod = "SSE"
+	GRPC      RouteMethod = "GRPC"
+	MCP       RouteMethod = "MCP"
+	STRUCTURE RouteMethod = "STRUCTURE"
 )
 
 const (
-	WS        RouteCategory = "ws"
-	GRPC      RouteCategory = "grpc"
-	FUNC      RouteCategory = "func"
-	SHOW      RouteCategory = "show"
-	QUERY     RouteCategory = "query"
-	STORE     RouteCategory = "store"
-	DESTROY   RouteCategory = "destroy"
-	STRUCTURE RouteCategory = "structure"
-)
-
-const (
-	API                    RouteService = "api"
+	// resource_apis
+	FUNC    RouteService = "func"
+	SHOW    RouteService = "show"
+	QUERY   RouteService = "query"
+	STORE   RouteService = "store"
+	DESTROY RouteService = "destroy"
+	// system
 	FSM                    RouteService = "fsm"
 	LIST                   RouteService = "list"
 	XLSX                   RouteService = "xlsx"
@@ -81,12 +80,19 @@ type RouteMiddleware interface {
 
 type Router interface {
 	Call(r *http.Request, code string, params map[string]any, opts ...RouteMatchOption) (HttpResponse, error)
+	// CallWithUser 与 Call 相同,但内部转发请求时冒充成 u 的身份,而不是沿用 r 自带的身份
+	// (比如需要以系统用户身份发起内部调用)。
+	CallWithUser(r *http.Request, u User, code string, params map[string]any, opts ...RouteMatchOption) (HttpResponse, error)
 	Get(uuid string, opts ...RouteMatchOption) (Route, bool)
 	Register(cr chi.Router)
 	RefreshRoutes() error
+	// Shutdown 关闭路由层管理的所有长连接（如 MCP SSE），
+	// 应通过 http.Server.RegisterOnShutdown 注册，在 HTTP 服务关闭时调用。
+	Shutdown()
 }
 
 type Route interface {
+	Method() RouteMethod
 	GetUuid() string
 	GetCode() string
 	GetPrimaryKey() string
@@ -94,10 +100,10 @@ type Route interface {
 	GetUris() []string
 	GetParamValues(*http.Request, ...RouteParam) (GlobalParams, error)
 	GetResource() Resource
-	GetCategory() RouteCategory
 	GetService() RouteService
 	GetRoles() []string
 	MakeRequest(r *http.Request, params map[string]any) (*http.Request, error)
+	Version() string
 }
 
 type RouteParam interface {
@@ -110,25 +116,26 @@ type RouteParam interface {
 
 type RouteMatchOption func(opts *RouteMatches)
 type RouteMatches struct {
-	categories []RouteCategory
-	services   []RouteService
+	methods  []RouteMethod
+	services []RouteService
 }
 
-func (this RouteMatches) RouteCategories() []RouteCategory {
-	return this.categories
+func (this RouteMatches) RouteMethods() []RouteMethod {
+	return this.methods
 }
 
 func (this RouteMatches) RouteServices() []RouteService {
 	return this.services
 }
 
-func RouteMatch[T RouteCategory | RouteService](v T) RouteMatchOption {
+func RouteMatch[T RouteMethod | RouteService](v T) RouteMatchOption {
 	return func(opt *RouteMatches) {
 		switch value := any(v).(type) {
-		case RouteCategory:
-			opt.categories = append(opt.categories, value)
+		case RouteMethod:
+			opt.methods = append(opt.methods, value)
 		case RouteService:
 			opt.services = append(opt.services, value)
 		}
 	}
 }
+