From 5a5482c77fefb28fadb20a2f79f4d20374087a72 Mon Sep 17 00:00:00 2001
From: cloudzhou <cloudzhou@163.com>
Date: Fri, 27 Sep 2019 19:27:44 +0800
Subject: [PATCH] leak opened file

should defer file.Close()
---
 utils/mail.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/utils/mail.go b/utils/mail.go
index 42b1e4d4..80a366ca 100644
--- a/utils/mail.go
+++ b/utils/mail.go
@@ -175,6 +175,7 @@ func (e *Email) AttachFile(args ...string) (a *Attachment, err error) {
 	if err != nil {
 		return
 	}
+	defer f.Close()
 	ct := mime.TypeByExtension(filepath.Ext(filename))
 	basename := path.Base(filename)
 	return e.Attach(f, basename, ct, id)