diff --git a/nonebot-plugin-random/utils.py b/nonebot-plugin-random/utils.py
index 6e0b10e..caaa04e 100644
--- a/nonebot-plugin-random/utils.py
+++ b/nonebot-plugin-random/utils.py
@@ -4,7 +4,7 @@ def is_image_file(path:Path) -> bool:
     return path.suffix in [".gif",".png",".jpg",".jpeg"]
 
 def is_record_file(path:Path) -> bool:
-    return path.suffix in [".mp3",".wav",".ogg"]
+    return path.suffix in [".mp3",".wav",".ogg",".flac"]
 
 def is_video_file(path:Path) -> bool:
     return path.suffix in [".mp4",".avi",".flv",".wmv",".mov",".mpg",".mpeg"]
@@ -21,4 +21,4 @@ def is_file(type:str,path:Path) -> bool:
 
 def replace_message(msg:str,path:Path) -> str:
     return msg.replace("{filename}",path.name) \
-            .replace("{filestem}",path.stem)
\ No newline at end of file
+            .replace("{filestem}",path.stem)