diff --git a/src/createMockServer.ts b/src/createMockServer.ts
index cd749f7..649f5b8 100644
--- a/src/createMockServer.ts
+++ b/src/createMockServer.ts
@@ -1,4 +1,10 @@
-import type { ViteMockOptions, MockMethod, NodeModuleWithCompile, Recordable } from './types';
+import type {
+  ViteMockOptions,
+  MockMethod,
+  NodeModuleWithCompile,
+  Recordable,
+  RespThisType,
+} from './types';
 
 import path from 'path';
 import fs from 'fs';
@@ -81,15 +87,16 @@ export async function requestMiddleware(opt: ViteMockOptions) {
         }
       }
 
+      const self: RespThisType = { req, res, parseJson: parseJson.bind(null, req) };
       if (isFunction(rawResponse)) {
-        await rawResponse(req, res);
+        await rawResponse.bind(self)(req, res);
       } else {
         const body = await parseJson(req);
-        const mockResponse = isFunction(response)
-          ? response({ url: req.url, body, query, headers: req.headers })
-          : response;
         res.setHeader('Content-Type', 'application/json');
         res.statusCode = statusCode || 200;
+        const mockResponse = isFunction(response)
+          ? response.bind(self)({ url: req.url, body, query, headers: req.headers })
+          : response;
         res.end(JSON.stringify(Mock.mock(mockResponse)));
       }
 
diff --git a/src/types.ts b/src/types.ts
index d3f1956..3bb40db 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -16,6 +16,12 @@ export interface ViteMockOptions {
   logger?: boolean;
 }
 
+export interface RespThisType {
+  req: IncomingMessage;
+  res: ServerResponse;
+  parseJson: () => any;
+}
+
 export type MethodType = 'get' | 'post' | 'put' | 'delete' | 'patch';
 
 export type Recordable<T = any> = Record<string, T>;
@@ -26,9 +32,12 @@ export declare interface MockMethod {
   timeout?: number;
   statusCode?: number;
   response?:
-    | ((opt: { url: Recordable; body: Recordable; query: Recordable; headers: Recordable }) => any)
+    | ((
+        this: RespThisType,
+        opt: { url: Recordable; body: Recordable; query: Recordable; headers: Recordable }
+      ) => any)
     | any;
-  rawResponse?: (req: IncomingMessage, res: ServerResponse) => void;
+  rawResponse?: (this: RespThisType, req: IncomingMessage, res: ServerResponse) => void;
 }
 
 export interface NodeModuleWithCompile extends NodeModule {