diff --git a/src/puppet-padchat/puppet-padchat.ts b/src/puppet-padchat/puppet-padchat.ts
index 8d9aa5b5438187ce329ff35d9bb8c78197288b5f..6a2a9ab88db98a2c92a96d54c55809af82f657a4 100644
--- a/src/puppet-padchat/puppet-padchat.ts
+++ b/src/puppet-padchat/puppet-padchat.ts
@@ -590,7 +590,10 @@ export class PuppetPadchat extends Puppet {
       throw new Error('no avatar')
     }
 
-    const fileBox = FileBox.fromUrl(payload.avatar)
+    const fileBox = FileBox.fromUrl(
+      payload.avatar,
+      `wechaty-contact-avatar-${payload.name}.jpg`,
+    )
     return fileBox
   }