diff --git a/redis/redis.go b/redis/redis.go
index b7297dd..09c60c2 100644
--- a/redis/redis.go
+++ b/redis/redis.go
@@ -33,11 +33,11 @@ func GetRedisClient() *gredis.Redis {
 }
 
 // Lock 分布式锁
-func Lock(ctx context.Context, key string, expireSeconds int64, fn func(ctx context.Context)) {
+func Lock(ctx context.Context, key string, expireSeconds int64, fn func(ctx context.Context) error) error {
 	limit := 3
 LOOP:
 	if limit < 0 {
-		return
+		return nil
 	}
 	limit--
 	if val, err := RedisClient.Set(ctx, key, true, gredis.SetOption{
@@ -47,6 +47,7 @@ LOOP:
 		NX: true,
 	}); err != nil {
 		glog.Errorf(ctx, "RedisClient.Lock error: %v", err)
+		return nil
 	} else {
 		if val.Bool() {
 			defer func(RedisClient *gredis.Redis, ctx context.Context, key string) {
@@ -54,7 +55,7 @@ LOOP:
 					glog.Errorf(ctx, "RedisClient.Del error: %v", err)
 				}
 			}(RedisClient, ctx, key)
-			fn(ctx)
+			return fn(ctx)
 		} else {
 			time.Sleep(time.Second)
 			goto LOOP