From 999fac8ad7245f86bcbe8b3241bb365336947b58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E6=B2=B3?= <cnliuhe@126.com>
Date: Sun, 8 Dec 2019 23:31:53 +0800
Subject: [PATCH] fix panic when close with not start in sdk

---
 cmd/npc/sdk.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmd/npc/sdk.go b/cmd/npc/sdk.go
index 0fc2b5b..b8cc38f 100644
--- a/cmd/npc/sdk.go
+++ b/cmd/npc/sdk.go
@@ -31,7 +31,9 @@ func GetClientStatus() int {
 
 //export CloseClient
 func CloseClient() {
-	cl.Close()
+	if cl != nil {
+		cl.Close()
+	}
 }
 
 //export Version