From 95dff547d2384aaeeae110079fd68ff3a0516107 Mon Sep 17 00:00:00 2001
From: "eason.qian" <eason.qian@royalpay.com.au>
Date: Thu, 28 Dec 2017 17:23:09 +0800
Subject: [PATCH] fix

---
 .../manage/appclient/core/impls/RetailAppServiceImp.java  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/au/com/royalpay/payment/manage/appclient/core/impls/RetailAppServiceImp.java b/src/main/java/au/com/royalpay/payment/manage/appclient/core/impls/RetailAppServiceImp.java
index 95bc0f3ae..d12236795 100644
--- a/src/main/java/au/com/royalpay/payment/manage/appclient/core/impls/RetailAppServiceImp.java
+++ b/src/main/java/au/com/royalpay/payment/manage/appclient/core/impls/RetailAppServiceImp.java
@@ -1175,8 +1175,12 @@ public class RetailAppServiceImp implements RetailAppService {
         deviceSupport.findRegister(clientType);
         JSONObject res = royalPayCMSSupport.listArticles("app_ad", false, true, 1, 10);
         JSONArray acts = res.getJSONArray("data");
-        int selectNo = RandomUtils.nextInt(0,acts.size());
-        return acts.getJSONObject(selectNo);
+        if (acts.size()>0){
+            int selectNo = RandomUtils.nextInt(0,acts.size());
+            return acts.getJSONObject(selectNo);
+        }
+        return null;
+
     }
 
     private static boolean mathchLetterorNum(String str) {