From 3b057f2c2788657e32942984555fa581de9eae6b Mon Sep 17 00:00:00 2001
From: igophper <34326532+igophper@users.noreply.github.com>
Date: Fri, 26 Jul 2024 11:15:53 +0800
Subject: [PATCH] =?UTF-8?q?feat:=202FA=E6=94=AF=E6=8C=81=E5=89=8D=E4=B8=80?=
 =?UTF-8?q?=E4=B8=AA=E9=AA=8C=E8=AF=81=E7=A0=81=20(#5942)?=
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Refs #5940
---
 backend/utils/mfa/mfa.go | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/backend/utils/mfa/mfa.go b/backend/utils/mfa/mfa.go
index 30b644a5e..841730e66 100644
--- a/backend/utils/mfa/mfa.go
+++ b/backend/utils/mfa/mfa.go
@@ -40,7 +40,6 @@ func ValidCode(code, intervalStr, secret string) bool {
 	}
 	totp := gotp.NewTOTP(secret, 6, interval, nil)
 	now := time.Now().Unix()
-	strInt64 := strconv.FormatInt(now, 10)
-	id16, _ := strconv.Atoi(strInt64)
-	return totp.Verify(code, int64(id16))
+	prevTime := now - int64(interval)
+	return totp.Verify(code, now) || totp.Verify(code, prevTime)
 }