From f037aa023a56866017f128d736d2f06696c58549 Mon Sep 17 00:00:00 2001
From: CareyWong <xidiancc@gmail.com>
Date: Tue, 2 Jun 2020 15:19:50 +0800
Subject: [PATCH] =?UTF-8?q?Fix:=20ttl=20=E4=B8=BA=20-1=20=E6=97=B6?=
 =?UTF-8?q?=E7=BB=AD=E5=91=BD=E9=94=99=E8=AF=AF?=
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---
 main.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 177e09a..35562bd 100644
--- a/main.go
+++ b/main.go
@@ -242,6 +242,8 @@ func renew(shortKey string) {
 
 		// 续命
 		ttl, _ := redis.Int(redisClient.Do("ttl", shortKey))
-		_, _ = redisClient.Do("expire", shortKey, ttl+defaultRenewal*secondsPerDay)
+		if ttl != -1 {
+			_, _ = redisClient.Do("expire", shortKey, ttl+defaultRenewal*secondsPerDay)
+		}
 	}
 }