diff --git a/src/cli.ts b/src/cli.ts
index f02943e..93fcec3 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -7,6 +7,7 @@ import fs from 'fs'
 import { fetchMscz } from './mscz'
 import { loadMscore, INDV_DOWNLOADS, WebMscore } from './mscore'
 import { ScoreInfoHtml } from './scoreinfo'
+import { escapeFilename } from './utils'
 import i18n from './i18n'
 
 const SCORE_URL_PREFIX = 'https://musescore.com/'
@@ -99,7 +100,7 @@ void (async () => {
   await Promise.all(
     filetypes.map(async (d) => {
       const data = await d.action(score)
-      const f = `${fileName} - ${encodeURIComponent(partName)}.${d.fileExt}`
+      const f = `${fileName} - ${escapeFilename(partName)}.${d.fileExt}`
       await fs.promises.writeFile(f, data)
       spinner.info(`Saved ${chalk.underline(f)}`)
       spinner.start()
diff --git a/src/scoreinfo.ts b/src/scoreinfo.ts
index 6be1c24..024d421 100644
--- a/src/scoreinfo.ts
+++ b/src/scoreinfo.ts
@@ -1,5 +1,5 @@
 
-import { getFetch } from './utils'
+import { getFetch, escapeFilename } from './utils'
 
 export abstract class ScoreInfo {
   private readonly IPNS_KEY = 'QmSdXtvzC8v8iTTZuj5cVmiugnzbR1QATYRcGix4bBsioP';
@@ -15,7 +15,7 @@ export abstract class ScoreInfo {
   }
 
   get fileName (): string {
-    return this.title.replace(/[\s<>:{}"/\\|?*~.\0\cA-\cZ]+/g, '_')
+    return escapeFilename(this.title)
   }
 
   get msczIpfsRef (): string {
diff --git a/src/utils.ts b/src/utils.ts
index b89ec2a..f9cfc94 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,6 +1,10 @@
 
 import isNodeJs from 'detect-node'
 
+export const escapeFilename = (s: string): string => {
+  return s.replace(/[\s<>:{}"/\\|?*~.\0\cA-\cZ]+/g, '_')
+}
+
 export const getIndexPath = (id: number): string => {
   const idStr = String(id)
   // 获取最后三位，倒序排列