update

src/main/java/au/com/royalpay/payment/manage/application/core/impls/SimpleClientApplyServiceImpl.java

@@ -257,11 +257,12 @@ public class SimpleClientApplyServiceImpl implements SimpleClientApplyService {
     private void applyerToClient(String username) {
         JSONObject sysConfig = sysConfigManager.getSysConfig();
         String arr[] = sysConfig.getString("temp_sub_mch_id").split(",");
-        String tempSubMerchantId = arr[new Random().nextInt(arr.length)];
+        String tempSubMerchantId =null;
         WeChatPayConfig.Merchant availableMerchant = null;
         int errorReCounts = 6;
         for (int i = 0; i < errorReCounts; i++) {
             try{
+                tempSubMerchantId =arr[new Random().nextInt(arr.length)];
                 availableMerchant = mpPaymentApi.determineMerchant(tempSubMerchantId);
                 i=errorReCounts;
             }catch (Exception e){