diff --git a/src/main/java/au/com/royalpay/payment/manage/application/core/impls/SimpleClientApplyServiceImpl.java b/src/main/java/au/com/royalpay/payment/manage/application/core/impls/SimpleClientApplyServiceImpl.java
index 6a5104131..3e5a9ed48 100644
--- a/src/main/java/au/com/royalpay/payment/manage/application/core/impls/SimpleClientApplyServiceImpl.java
+++ b/src/main/java/au/com/royalpay/payment/manage/application/core/impls/SimpleClientApplyServiceImpl.java
@@ -1,5 +1,7 @@
 package au.com.royalpay.payment.manage.application.core.impls;
 
+import au.com.royalpay.payment.channels.wechat.config.WeChatPayConfig;
+import au.com.royalpay.payment.channels.wechat.runtime.MpPaymentApi;
 import au.com.royalpay.payment.core.mappers.PmtSubMerchantIdMapper;
 import au.com.royalpay.payment.manage.application.core.SimpleClientApplyService;
 import au.com.royalpay.payment.manage.mappers.preapply.SysClientPreMapperMapper;
@@ -44,6 +46,7 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Random;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
@@ -63,6 +66,8 @@ public class SimpleClientApplyServiceImpl implements SimpleClientApplyService {
     @Value("${royalpay.sms.appkey:43390d81e20c5191c278fbf4cd275be2}")
     private String appKey;
     @Resource
+    private MpPaymentApi mpPaymentApi;
+    @Resource
     private SysConfigManager sysConfigManager;
     @Resource
     private MailGunService mailGunService;
@@ -257,7 +262,11 @@ public class SimpleClientApplyServiceImpl implements SimpleClientApplyService {
         }
         JSONObject apply = sysClientPreMapperMapper.findByUserName(username);
 
-        JSONObject subMerchantId =  pmtSubMerchantIdMapper.randomOne();
+        JSONObject sysConfig = sysConfigManager.getSysConfig();
+
+        String arr [] = sysConfig.getString("temp_sub_mch_id").split(",");
+        String tempSubMerchantId  = arr[new Random().nextInt(arr.length) + 1];
+        WeChatPayConfig.Merchant availableMerchant = mpPaymentApi.determineMerchant(tempSubMerchantId);
         String clientMoniker = generateClientMoniker();
         JSONObject sysClient = new JSONObject();
         sysClient.put("company_name",apply.getString("company_name"));
@@ -278,8 +287,8 @@ public class SimpleClientApplyServiceImpl implements SimpleClientApplyService {
         sysClient.put("approve_result",2);
         sysClient.put("creator",0);
         sysClient.put("industry",331);
-        sysClient.put("merchant_id",subMerchantId.getString("merchant_id"));
-        sysClient.put("sub_merchant_id",subMerchantId.getString("sub_merchant_id"));
+        sysClient.put("merchant_id", availableMerchant.getMerchantId());
+        sysClient.put("sub_merchant_id",tempSubMerchantId);
         sysClient.put("common_sub_merchant_id",1);
         clientMapper.save(sysClient);
 
@@ -316,12 +325,12 @@ public class SimpleClientApplyServiceImpl implements SimpleClientApplyService {
         sysBank.put("branch",bankInfo.getString("branch"));
         clientBankAccountMapper.save(sysBank);
 
-        JSONObject sysConfig = new JSONObject();
-        sysConfig.put("client_id",clientId);
-        sysConfig.put("client_moniker",clientMoniker);
-        sysConfig.put("clean_days",apply.getIntValue("clean_days"));
-        sysConfig.put("common_sub_merchant_id",1);
-        clientConfigMapper.save(sysConfig);
+        JSONObject clientConfig = new JSONObject();
+        clientConfig.put("client_id",clientId);
+        clientConfig.put("client_moniker",clientMoniker);
+        clientConfig.put("clean_days",apply.getIntValue("clean_days"));
+        clientConfig.put("common_sub_merchant_id",1);
+        clientConfigMapper.save(clientConfig);
 
         JSONObject sysRate = new JSONObject();
         sysRate.put("client_id",clientId);