diff --git a/backend/src/main/java/com/imeeting/service/biz/impl/MeetingAudioUploadSupport.java b/backend/src/main/java/com/imeeting/service/biz/impl/MeetingAudioUploadSupport.java
index 168d24c..192bc3a 100644
--- a/backend/src/main/java/com/imeeting/service/biz/impl/MeetingAudioUploadSupport.java
+++ b/backend/src/main/java/com/imeeting/service/biz/impl/MeetingAudioUploadSupport.java
@@ -36,7 +36,7 @@ public class MeetingAudioUploadSupport {
         }
 
         String extension = resolveExtension(file.getOriginalFilename());
-        validateContentType(file.getContentType(), extension);
+//        validateContentType(file.getContentType(), extension);
         validateFileHeader(file, extension);
 
         Path stagingDir = resolveStagingAudioDirectory(uploadPath);