diff --git a/packages/hel-micro-mini/src/browser/xhr.ts b/packages/hel-micro-mini/src/browser/xhr.ts
index 4b7ed66..fb6ef1e 100644
--- a/packages/hel-micro-mini/src/browser/xhr.ts
+++ b/packages/hel-micro-mini/src/browser/xhr.ts
@@ -22,10 +22,12 @@ interface Response<T extends any = any> {
 export function getXHRIns() {
   let xhr;
   const { XMLHttpRequest, ActiveXObject } = getGlobalThis();
-  if (XMLHttpRequest) { // 标准浏览器
+  if (XMLHttpRequest) {
+    // 标准浏览器
     xhr = new XMLHttpRequest();
-  } else if (ActiveXObject) { // 旧版IE
-    xhr = new ActiveXObject("Microsoft.XMLHTTP");
+  } else if (ActiveXObject) {
+    // 旧版IE
+    xhr = new ActiveXObject('Microsoft.XMLHTTP');
   }
   return xhr;
 }
@@ -85,7 +87,7 @@ class XHR {
     req.onerror = (e) => wrapErrResult(e);
     req.onabort = (e) => wrapErrResult(e);
     req.ontimeout = (e) => wrapErrResult(e);
-    req.onprogress = () => { };
+    req.onprogress = () => {};
   }
 
   async request<T extends any = any>(url: string, method?: string): Promise<Response<T>> {
diff --git a/packages/hel-micro-mini/src/index.ts b/packages/hel-micro-mini/src/index.ts
index 04765ca..960f643 100644
--- a/packages/hel-micro-mini/src/index.ts
+++ b/packages/hel-micro-mini/src/index.ts
@@ -1,4 +1,4 @@
 import './core/microDebug';
 import './core/microShared';
-export { preFetchLib } from './prefetch';
 export { getUserEventBus as eventBus } from './core/cache';
+export { preFetchLib } from './prefetch';
diff --git a/packages/hel-micro-mini/src/prefetch/loadApp.ts b/packages/hel-micro-mini/src/prefetch/loadApp.ts
index 7e21c61..02969e2 100644
--- a/packages/hel-micro-mini/src/prefetch/loadApp.ts
+++ b/packages/hel-micro-mini/src/prefetch/loadApp.ts
@@ -1,4 +1,3 @@
 export default async function (appName, options) {
   // get hel meta
-
 }
diff --git a/packages/hel-micro-mini/src/prefetch/waitAppEmit.ts b/packages/hel-micro-mini/src/prefetch/waitAppEmit.ts
index 0358a1e..08edd44 100644
--- a/packages/hel-micro-mini/src/prefetch/waitAppEmit.ts
+++ b/packages/hel-micro-mini/src/prefetch/waitAppEmit.ts
@@ -1,6 +1,5 @@
 import { getHelEventBus } from '../core/cache';
 
-
 export default async function (appName, options, loadAssetsStarter?) {
   const eventBus = getHelEventBus();
   // eventBus.on