修改设置有效期

expire.go

@@ -16,7 +16,7 @@ func SetExpire(key string, ttl uint64, url ...string) (uint64, error) {
 	}
 	defer conn.Close()
 
-	req := &SetExpire{proto.String(key), proto.Uint64(ttl), nil}
+	req := &SetExpireRequest{proto.String(key), proto.Uint64(ttl), nil}
 
 	res := &SetExpireResponse{}