diff --git a/package.json b/package.json
index 13bdf55..252bcbb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package",
   "name": "@kevisual/router",
-  "version": "0.0.75",
+  "version": "0.0.76",
   "description": "",
   "type": "module",
   "main": "./dist/router.js",
@@ -21,7 +21,6 @@
   "keywords": [],
   "author": "abearxiong",
   "license": "MIT",
-  "packageManager": "pnpm@10.30.0",
   "devDependencies": {
     "@kevisual/code-builder": "^0.0.6",
     "@kevisual/context": "^0.0.6",
diff --git a/src/route.ts b/src/route.ts
index c70d6ba..0877ec1 100644
--- a/src/route.ts
+++ b/src/route.ts
@@ -245,14 +245,20 @@ export class Route<U = { [key: string]: any }, T extends SimpleObject = SimpleOb
     throw new CustomError(...args);
   }
 }
+export const extractArgs = (args: any) => {
+  if (args && typeof args === 'object' && typeof args.shape === 'object') {
+    return args.shape as z.ZodRawShape;
+  }
+  return args || {};
+};
+
 export const toJSONSchema = (route: RouteInfo) => {
   const pickValues = pick(route, pickValue as any);
   if (pickValues?.metadata?.args) {
-    const args = pickValues.metadata.args;
-    if (args && typeof args === 'object' && args.toJSONSchema && typeof args.toJSONSchema === 'function') {
-      pickValues.metadata.args = args.toJSONSchema();
-      return pickValues;
-    }
+    let args = pickValues.metadata.args;
+    // 如果 args 本身是一个 zod object schema，先提取 shape
+    args = extractArgs(args);
+
     const keys = Object.keys(args);
     const newArgs: { [key: string]: any } = {};
     for (let key of keys) {