diff --git a/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientMapper.java b/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientMapper.java
index ea5068c86..7ef02be41 100644
--- a/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientMapper.java
+++ b/src/main/java/au/com/royalpay/payment/manage/mappers/system/ClientMapper.java
@@ -122,4 +122,6 @@ public interface ClientMapper {
     List<JSONObject> createClientsByGroup(@Param("start_date") Date start_date,@Param("end_date") Date end_date,@Param("start_date_month") Date start_date_month);
 
     List<JSONObject> clientPayTypeInfoByClientIdRange(@Param("begin") int begin, @Param("end") int end);
+
+    int getPartnercode(@Param("codes") String codes);
 }
diff --git a/src/main/java/au/com/royalpay/payment/manage/merchants/core/ClientManager.java b/src/main/java/au/com/royalpay/payment/manage/merchants/core/ClientManager.java
index efdf669d4..5d8e10901 100644
--- a/src/main/java/au/com/royalpay/payment/manage/merchants/core/ClientManager.java
+++ b/src/main/java/au/com/royalpay/payment/manage/merchants/core/ClientManager.java
@@ -43,6 +43,8 @@ public interface ClientManager {
 
     List<JSONObject> listPartners(JSONObject manager, PartnerQuery query);
 
+    String initMerchantCode();
+
     @Transactional
     JSONObject registerClient(String clientMoniker, ClientRegisterInfo registery, JSONObject manager);
 
diff --git a/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientManagerImpl.java b/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientManagerImpl.java
index 6074e7476..1e74e9ae0 100644
--- a/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientManagerImpl.java
+++ b/src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientManagerImpl.java
@@ -630,6 +630,15 @@ public class ClientManagerImpl implements ClientManager, ManagerTodoNoticeProvid
         return clientMapper.listPartnerSelection(params, new PageBounds(Order.formString("create_time.desc")));
     }
 
+    @Override
+    public String initMerchantCode() {
+        String code = RandomStringUtils.randomAlphanumeric(4).toUpperCase();
+        if (clientMapper.getPartnercode(code) > 0) {
+            return initMerchantCode();
+        }
+        return code;
+    }
+
     @Override
     @Transactional
     public JSONObject registerClient(String clientMoniker, ClientRegisterInfo registery, JSONObject manager) {
diff --git a/src/main/java/au/com/royalpay/payment/manage/merchants/web/PartnerManageController.java b/src/main/java/au/com/royalpay/payment/manage/merchants/web/PartnerManageController.java
index 9723ecf91..3df2f98fc 100644
--- a/src/main/java/au/com/royalpay/payment/manage/merchants/web/PartnerManageController.java
+++ b/src/main/java/au/com/royalpay/payment/manage/merchants/web/PartnerManageController.java
@@ -48,6 +48,12 @@ public class PartnerManageController {
         return clientManager.listPartners(manager, query);
     }
 
+
+    @RequestMapping(value = "/init/merchant_code", method = RequestMethod.GET)
+    public String initMerchantCode() {
+        return clientManager.initMerchantCode();
+    }
+
     @RequestMapping(method = RequestMethod.POST)
     @RequireManager(role = {ManagerRole.ADMIN, ManagerRole.BD_USER, ManagerRole.OPERATOR})
     public JSONObject registerPartner(@ModelAttribute(CommonConsts.MANAGER_STATUS) JSONObject manager, @RequestBody @Valid ClientRegisterInfo registery,
diff --git a/src/main/resources/au/com/royalpay/payment/manage/mappers/system/ClientMapper.xml b/src/main/resources/au/com/royalpay/payment/manage/mappers/system/ClientMapper.xml
index 3f0bcb658..19d6f31f5 100644
--- a/src/main/resources/au/com/royalpay/payment/manage/mappers/system/ClientMapper.xml
+++ b/src/main/resources/au/com/royalpay/payment/manage/mappers/system/ClientMapper.xml
@@ -645,4 +645,8 @@
         AND p.client_id >= #{begin}
         AND p.client_id &lt; #{end}
     </select>
+
+    <select id="getPartnercode" resultType="int">
+        SELECT count(1) FROM sys_clients where client_moniker=#{codes};
+    </select>
 </mapper>
diff --git a/src/main/ui/static/payment/partner/partner-manage.js b/src/main/ui/static/payment/partner/partner-manage.js
index 9e43f403d..fc9907856 100644
--- a/src/main/ui/static/payment/partner/partner-manage.js
+++ b/src/main/ui/static/payment/partner/partner-manage.js
@@ -368,6 +368,12 @@ define(['angular', 'decimal', 'static/commons/commons', 'uiBootstrap', 'uiRouter
         } else {
             $scope.partner = {timezone: 'Australia/Melbourne'};
         }
+        $scope.initMerchantCode = function () {
+            $http.get('/sys/partners/init/merchant_code').then(function (response) {
+                $scope.partner.client_moniker = response.data;
+            });
+        };
+        $scope.initMerchantCode();
         $scope.partner.company_phone_c = 61;
         $scope.partner.contact_phone_c = 61;
         $scope.partner.client_pay_type = [];
diff --git a/src/main/ui/static/payment/partner/templates/add_partner.html b/src/main/ui/static/payment/partner/templates/add_partner.html
index 5e6b73c87..b371dd5c8 100644
--- a/src/main/ui/static/payment/partner/templates/add_partner.html
+++ b/src/main/ui/static/payment/partner/templates/add_partner.html
@@ -35,11 +35,13 @@
                                     Numbers)</label>
                                 <div class="col-sm-8">
                                     <input class="form-control text-uppercase"
+                                           style="display: inline-block;width:20%"
                                            ng-model="partner.client_moniker"
                                            type="text"
                                            name="client_moniker"
                                            id="short-id-input" required maxlength="4"
-                                           ng-pattern="/^[a-zA-Z0-9]+$/">
+                                           ng-pattern="/^[a-zA-Z0-9]+$/" readonly>
+                                    <a style="display: inline-block" role="button" ng-click="initMerchantCode()"><i class="fa fa-refresh" title="Refreshes the partner code"></i></a>
                                     <p class="small text-info">No further changeable!</p>
                                     <div ng-messages="partnerForm.client_moniker.$error"
                                          ng-if="partnerForm.client_moniker.$dirty">