diff --git a/app/src/main/java/me/bello/arou/RecordHelper.java b/app/src/main/java/me/bello/arou/RecordHelper.java
index a8342d7..f5e8c65 100644
--- a/app/src/main/java/me/bello/arou/RecordHelper.java
+++ b/app/src/main/java/me/bello/arou/RecordHelper.java
@@ -47,8 +47,8 @@
                     file.mkdirs();
                 }
 
-                SimpleDateFormat sdf = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss");
-                String name = sdf.format(new Date()) + ".aac";
+                SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
+                String name = sdf.format(new Date()) + "_mobile.aac";
                 File recordFile = new File(file, name);
 
                 //开始录音