fix

mail/types.go

@@ -13,6 +13,6 @@ type (
 	MailAPI interface {
 		SendPanicWarning(content string) (err error)
 		SendCustomWarning(subject, content string) (err error)
-		SendErrorWarning(subject, content string) (err error)
+		SendErrorWarning(err error) error
 	}
 )