diff --git a/src/pages/Classification/index.tsx b/src/pages/Classification/index.tsx
index 6efe8b4aa..2e6c6801d 100644
--- a/src/pages/Classification/index.tsx
+++ b/src/pages/Classification/index.tsx
@@ -18,7 +18,7 @@ import useImage from 'use-image';
 import PPSetButton from '@/components/PPLabelPage/PPButtonSet';
 
 const port = window.location.port == '8000' ? '1234' : window.location.port;
-const baseUrl = `http://${window.location.hostname}:${port}/`;
+const baseUrl = `http://${window.location.hostname}:${port}`;
 const Page: React.FC = () => {
   const page = useRef<pageRef>(null);
   const intl = IntlInit('pages.classification');
diff --git a/src/pages/Detection/index.tsx b/src/pages/Detection/index.tsx
index f4a33b04e..3fed152ef 100644
--- a/src/pages/Detection/index.tsx
+++ b/src/pages/Detection/index.tsx
@@ -21,7 +21,7 @@ import { IntlInitJsx } from '@/components/PPIntl';
 import PPSetButton from '@/components/PPLabelPage/PPButtonSet';
 import Keyevent from 'react-keyevent';
 const port = window.location.port == '8000' ? '1234' : window.location.port;
-const baseUrl = `http://${window.location.hostname}:${port}/`;
+const baseUrl = `http://${window.location.hostname}:${port}`;
 const Page = () => {
   // todo: change to use annotation
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
diff --git a/src/pages/Ocr/index.tsx b/src/pages/Ocr/index.tsx
index a67c37852..431878f1f 100644
--- a/src/pages/Ocr/index.tsx
+++ b/src/pages/Ocr/index.tsx
@@ -24,7 +24,7 @@ import PPProgress from '@/components/PPLabelPage/PPProgress';
 import { IntlInitJsx } from '@/components/PPIntl';
 import PPSetButton from '@/components/PPLabelPage/PPButtonSet';
 const port = window.location.port == '8000' ? '1234' : window.location.port;
-const baseUrl = `http://${window.location.hostname}:${port}/`;
+const baseUrl = `http://${window.location.hostname}:${port}`;
 export type DrawToolType = {
   polygon: PPDrawToolRet;
   brush: undefined;
diff --git a/src/services/utils.ts b/src/services/utils.ts
index 8f7f0d7fe..8fa8036b7 100644
--- a/src/services/utils.ts
+++ b/src/services/utils.ts
@@ -21,7 +21,6 @@ import { IntlInitJsx } from '@/components/PPIntl';
 import type { ToolType, Annotation, Label } from '@/models/';
 import { ModelApi } from '@/services/ml';
 import type { Model } from '@/services/ml/models';
-import { History } from '/Users/v_xiaoyixin/paddlefortends/PaddleLabel-Frontend/node_modules/@umijs/runtime';
 
 const baseUrl = localStorage.getItem('basePath');
 const config = new Configuration(baseUrl ? { basePath: baseUrl } : undefined);
@@ -905,7 +904,6 @@ export function ModelUtils(useState: UseStateType, mlBackendUrl: string = undefi
   const [backendUrl, setBackendUrl] = useState<string>(mlBackendUrl);
   const [loading, setLoading] = useState<boolean>(false);
   const intl = IntlInit('component.PPInteractorModal');
-  // let modelApi = new ModelApi(new Configuration({ basePath: backendUrl }));
   let modelApi = new ModelApi(new Configuration({ basePath: backendUrl }));
 
   async function getAll() {