From af9c518806f6c3d21967cffa3f5e9db5aca9a5c9 Mon Sep 17 00:00:00 2001
From: duanhf2012 <boyce@atbc.com>
Date: Mon, 17 Feb 2020 17:23:15 +0800
Subject: [PATCH] =?UTF-8?q?mapex=E7=A9=BA=E5=86=85=E5=AE=B9=E6=9F=A5?=
 =?UTF-8?q?=E6=89=BEcore?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 util/mapex.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/util/mapex.go b/util/mapex.go
index e83bfe7..f3402f0 100644
--- a/util/mapex.go
+++ b/util/mapex.go
@@ -49,6 +49,9 @@ func (m *MapEx) GetHashCode(key interface{}) int {
 }
 
 func (m *MapEx) GetArrayIdByKey(key interface{}) int {
+	if m.hashMapNum ==0 {
+	  return -1
+	}
 	idx := m.GetHashCode(key) % m.hashMapNum
 	if idx > m.hashMapNum {
 		return -1