From c64f7c8e01ebb7f7e73e4ec85e2d6bc7d67e2bd6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BE=9A=E5=B0=9A?= <gongshang1990@163.com>
Date: Sat, 7 Apr 2018 14:51:49 +0800
Subject: [PATCH] Int64 to string.

---
 snowflake.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snowflake.go b/snowflake.go
index 173691a..f112a05 100644
--- a/snowflake.go
+++ b/snowflake.go
@@ -97,7 +97,7 @@ func NewNode(node int64) (*Node, error) {
 	nodeShift = StepBits
 	
 	if node < 0 || node > nodeMax {
-		return nil, errors.New("Node number must be between 0 and " + strconv.Itoa(nodeMax))
+		return nil, errors.New("Node number must be between 0 and " + strconv.FormatInt(nodeMax, 10))
 	}
 
 	return &Node{