diff --git a/package.json b/package.json
index 764fd56..0a2ff76 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package",
   "name": "@kevisual/router",
-  "version": "0.0.14",
+  "version": "0.0.15",
   "description": "",
   "type": "module",
   "main": "./dist/router.js",
@@ -74,6 +74,11 @@
       "require": "./dist/router-simple.js",
       "types": "./dist/router-simple.d.ts"
     },
+    "./define": {
+      "import": "./dist/router-define.js",
+      "require": "./dist/router-define.js",
+      "types": "./dist/router-define.d.ts"
+    },
     "./simple-lib": {
       "import": "./dist/router-simple-lib.js",
       "require": "./dist/router-simple-lib.js",
diff --git a/rollup.config.js b/rollup.config.js
index 210187b..522efe4 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -104,6 +104,28 @@ export default [
     },
     plugins: [dts()],
   },
+  {
+    input: 'src/router-define.ts',
+    output: {
+      file: 'dist/router-define.js',
+      format: 'es',
+    },
+    plugins: [
+      resolve({
+        browser: true,
+      }),
+      commonjs(),
+      typescript(),
+    ],
+  },
+  {
+    input: 'src/router-define.ts',
+    output: {
+      file: 'dist/router-define.d.ts',
+      format: 'es',
+    },
+    plugins: [dts()],
+  },
   {
     input: 'src/router-simple.ts',
     output: {
diff --git a/src/result/error.ts b/src/result/error.ts
index 0ac6e53..645d466 100644
--- a/src/result/error.ts
+++ b/src/result/error.ts
@@ -35,10 +35,22 @@ export class CustomError extends Error {
       tips: e?.tips,
     };
   }
+  /**
+   * 判断 throw 的错误是否不是当前这个错误
+   * @param err
+   * @returns
+   */
+  static isError(err: any) {
+    if (err instanceof CustomError || err?.code) {
+      return true;
+    }
+    return false;
+  }
   parse(e?: CustomError) {
     if (e) {
       return CustomError.parseError(e);
     } else {
+      const e = this;
       return {
         code: e?.code,
         data: e?.data,
diff --git a/src/route.ts b/src/route.ts
index dde3265..55a9dfa 100644
--- a/src/route.ts
+++ b/src/route.ts
@@ -88,6 +88,10 @@ export type RouteOpts = {
    * $#$ will be used to split path and key
    */
   idUsePath?: boolean;
+  /**
+   * id 合并的分隔符，默认为 $#$
+   */
+  delimiter?: string;
   isDebug?: boolean;
 };
 export type DefineRouteOpts = Omit<RouteOpts, 'idUsePath' | 'verify' | 'verifyKey' | 'nextRoute'>;
@@ -129,7 +133,8 @@ export class Route<U = { [key: string]: any }> {
     if (opts) {
       this.id = opts.id || nanoid();
       if (!opts.id && opts.idUsePath) {
-        this.id = path + '$#$' + key;
+        const delimiter = opts.delimiter ?? '$#$';
+        this.id = path + delimiter + key;
       }
       this.run = opts.run;
       this.nextRoute = opts.nextRoute;
diff --git a/src/router-define.ts b/src/router-define.ts
new file mode 100644
index 0000000..5e4801d
--- /dev/null
+++ b/src/router-define.ts
@@ -0,0 +1,110 @@
+import type { QueryRouterServer, Route, RouteOpts, Run } from './route.ts';
+
+// export type RouteObject<T extends readonly string[]> = {
+//   [K in T[number]]: RouteOpts;
+// };
+export type { RouteOpts };
+export type RouteObject = {
+  [key: string]: RouteOpts;
+};
+
+export function define<T extends Record<string, RouteOpts>>(
+  value: T,
+): {
+  [K in keyof T]: T[K] & RouteOpts;
+} {
+  return value as { [K in keyof T]: T[K] & RouteOpts };
+}
+
+export type RouteArray = RouteOpts[];
+type ChainOptions = {
+  app: QueryRouterServer;
+};
+class Chain {
+  object: RouteOpts;
+  app?: QueryRouterServer;
+  constructor(object: RouteOpts, opts?: ChainOptions) {
+    this.object = object;
+    this.app = opts?.app;
+  }
+  get key() {
+    return this.object.key;
+  }
+  get path() {
+    return this.object.path;
+  }
+  setDescription(desc: string) {
+    this.object.description = desc;
+    return this;
+  }
+  setMeta(metadata: { [key: string]: any }) {
+    this.object.metadata = metadata;
+    return this;
+  }
+  setPath(path: string) {
+    this.object.path = path;
+    return this;
+  }
+  setMiddleware(middleware: string[] | Route[]) {
+    this.object.middleware = middleware;
+    return this;
+  }
+  setKey(key: string) {
+    this.object.key = key;
+    return this;
+  }
+  setId(key: string) {
+    this.object.id = key;
+    return this;
+  }
+  setRun(run: Run) {
+    this.object.run = run;
+    return this;
+  }
+  define(run: Run) {
+    this.object.run = run;
+    return this;
+  }
+  createRoute() {
+    this.app.route(this.object).addTo(this.app);
+    return this;
+  }
+}
+export const util = {
+  getChain: (obj: RouteOpts, opts?: ChainOptions) => {
+    return new Chain(obj, opts);
+  },
+};
+
+export class QueryUtil<T extends RouteObject = RouteObject> {
+  routeObject: T;
+  app: QueryRouterServer;
+  constructor(object: T, opts?: ChainOptions) {
+    this.routeObject = object;
+    this.app = opts?.app;
+  }
+  static createFormObj<U extends RouteObject>(object: U, opts?: ChainOptions) {
+    return new QueryUtil<U>(object, opts);
+  }
+  static create<U extends Record<string, RouteOpts>>(value: U, opts?: ChainOptions) {
+    const obj = value as { [K in keyof U]: U[K] & RouteOpts };
+    return new QueryUtil<U>(obj, opts);
+  }
+  get<K extends keyof T>(key: K): RouteOpts {
+    return this.routeObject[key] as RouteOpts;
+  }
+  chain<K extends keyof T>(key: K, opts?: ChainOptions) {
+    const obj = this.routeObject[key];
+    let newOpts = { app: this.app, ...opts };
+    return new Chain(obj, newOpts);
+  }
+  queryChain<K extends keyof T>(key: K) {
+    const value = this.routeObject[key] as RouteOpts;
+    return (queryData?: Record<string, any>) => {
+      return {
+        ...value,
+        ...queryData,
+      };
+    };
+  }
+}
diff --git a/src/router-simple.ts b/src/router-simple.ts
index 5ae4605..101bad6 100644
--- a/src/router-simple.ts
+++ b/src/router-simple.ts
@@ -1,5 +1,5 @@
 import { pathToRegexp, Key } from 'path-to-regexp';
-import type { IncomingMessage, ServerResponse } from 'http';
+import type { IncomingMessage, ServerResponse } from 'node:http';
 import { parseBody, parseSearch } from './server/parse-body.ts';
 
 type Req = IncomingMessage & { params?: Record<string, string> };