From 885990d0fe59e6430d31cf74ed1f91ac0be436b1 Mon Sep 17 00:00:00 2001
From: Chao <200615@gmail.com>
Date: Wed, 14 Mar 2018 17:25:15 +0800
Subject: [PATCH] fix bug

---
 helpers.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/helpers.go b/helpers.go
index 873629e..9860f86 100644
--- a/helpers.go
+++ b/helpers.go
@@ -10,10 +10,15 @@ func handleError(err error, r *rpcResponse) error {
 	if err != nil {
 		return err
 	}
-	if r.Err != nil {
-		rr := r.Err.(map[string]interface{})
-		return errors.New(fmt.Sprintf("(%v) %s", rr["code"].(float64), rr["message"].(string)))
+
+	if r.Err.Message != "" {
+		rr := r.Err
+		return errors.New(fmt.Sprintf("(%v) %s", rr.Code, rr.Message))
 
 	}
+	//if r.Err != nil {
+	//	rr := r.Err.(map[string]interface{})
+	//	return errors.New(fmt.Sprintf("(%v) %s", rr["code"].(float64), rr["message"].(string)))
+	//}
 	return nil
 }