diff --git a/src/core/createInstance.ts b/src/core/createInstance.ts
index 48af89f..2218d9a 100644
--- a/src/core/createInstance.ts
+++ b/src/core/createInstance.ts
@@ -1,5 +1,5 @@
 import { combineURL } from '../helpers/combineURL';
-import { buildURL } from '../helpers/buildURL';
+import { transformURL } from '../helpers/transformURL';
 import Axios, {
   AxiosRequest,
   AxiosRequestConfig,
@@ -58,11 +58,7 @@ export function createInstance(config: AxiosRequestConfig, parent?: Axios) {
   const instance = context.request as AxiosInstance;
 
   instance.getUri = function getUri(config) {
-    const { url, params, paramsSerializer } = mergeConfig(
-      instance.defaults,
-      config,
-    );
-    return buildURL(url, params, paramsSerializer).replace(/^\?/, '');
+    return transformURL(mergeConfig(instance.defaults, config));
   };
   instance.create = function create(config) {
     return createInstance(mergeConfig(instance.defaults, config));
diff --git a/src/request/transformURL.ts b/src/helpers/transformURL.ts
similarity index 62%
rename from src/request/transformURL.ts
rename to src/helpers/transformURL.ts
index ee1b934..b847e9b 100644
--- a/src/request/transformURL.ts
+++ b/src/helpers/transformURL.ts
@@ -1,8 +1,8 @@
-import { isPlainObject } from '../helpers/isTypes';
-import { buildURL } from '../helpers/buildURL';
-import { combineURL } from '../helpers/combineURL';
-import { dynamicURL } from '../helpers/dynamicURL';
 import { AxiosRequestConfig } from '../core/Axios';
+import { isPlainObject } from './isTypes';
+import { buildURL } from './buildURL';
+import { combineURL } from './combineURL';
+import { dynamicURL } from './dynamicURL';
 
 export function transformURL(config: AxiosRequestConfig) {
   let url = combineURL(config.baseURL, config.url);
diff --git a/src/request/request.ts b/src/request/request.ts
index 74cb958..5b59096 100644
--- a/src/request/request.ts
+++ b/src/request/request.ts
@@ -1,4 +1,5 @@
 import { isFunction, isPlainObject } from '../helpers/isTypes';
+import { transformURL } from '../helpers/transformURL';
 import {
   AxiosRequestConfig,
   AxiosResponse,
@@ -14,7 +15,6 @@ import {
 import { isCancelToken } from './cancel';
 import { AxiosErrorResponse, createError } from './createError';
 import { generateType } from './generateType';
-import { transformURL } from './transformURL';
 
 /**
  * 开始请求
diff --git a/test/axios.instance.test.ts b/test/axios.instance.test.ts
index 27d9133..e95bf21 100644
--- a/test/axios.instance.test.ts
+++ b/test/axios.instance.test.ts
@@ -160,11 +160,15 @@ describe('src/axios.ts', () => {
   });
 
   test('应该可以获取 URI', () => {
-    expect(axios.getUri({ url: 'test' })).toBe('test');
-    expect(axios.getUri({ url: 'test', params: { id: 1 } })).toBe('test?id=1');
-    expect(axios.getUri({ url: 'test', paramsSerializer: () => 'id=1' })).toBe(
-      'test?id=1',
-    );
+    expect(
+      axios.getUri({
+        baseURL: 'https://api.com',
+        url: '/test/:id/',
+        params: {
+          id: 1,
+        },
+      }),
+    ).toBe('https://api.com/test/1/');
   });
 
   test('应该支持中间件', async () => {
diff --git a/test/request/transformURL.test.ts b/test/helpers/transformURL.test.ts
similarity index 94%
rename from test/request/transformURL.test.ts
rename to test/helpers/transformURL.test.ts
index 3df99c7..95628f7 100644
--- a/test/request/transformURL.test.ts
+++ b/test/helpers/transformURL.test.ts
@@ -1,7 +1,7 @@
 import { describe, test, expect } from 'vitest';
-import { transformURL } from '@/request/transformURL';
+import { transformURL } from '@/helpers/transformURL';
 
-describe('src/request/transformURL.ts', () => {
+describe('src/helpers/transformURL.ts', () => {
   test('应该支持空配置', () => {
     expect(transformURL({})).toBe('');
     expect(transformURL({ baseURL: 'http://api.com' })).toBe('http://api.com');