diff --git a/web-api/src/main/java/com/jeesite/modules/app/utils/MailSendUtils.java b/web-api/src/main/java/com/jeesite/modules/app/utils/MailSendUtils.java
index c3130e39..aad23e77 100644
--- a/web-api/src/main/java/com/jeesite/modules/app/utils/MailSendUtils.java
+++ b/web-api/src/main/java/com/jeesite/modules/app/utils/MailSendUtils.java
@@ -98,7 +98,7 @@ public class MailSendUtils {
                     MimeBodyPart attachmentPart = new MimeBodyPart();
                     File file = new File(FILE_PATH + upload.getFileUrl());
                     attachmentPart.attachFile(file);
-                    attachmentPart.setFileName(MimeUtility.encodeText(file.getName(), "UTF-8", "B"));
+                    attachmentPart.setFileName(MimeUtility.encodeText(upload.getFileName(), "UTF-8", "B"));
                     multipart.addBodyPart(attachmentPart);
                 }
             }