diff --git a/src/db/modify.sql b/src/db/modify.sql
index 12073aaad..b4e706834 100644
--- a/src/db/modify.sql
+++ b/src/db/modify.sql
@@ -505,4 +505,31 @@ CREATE TABLE `sys_mail_send` (
   PRIMARY KEY (`id`,`mail_address`),
   KEY `mail_address` (`mail_address`),
   KEY `id` (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
\ No newline at end of file
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
+
+CREATE TABLE `sys_client_pre_apply` (
+  `client_pre_apply_id` int(11) NOT NULL,
+  `username` varchar(50) DEFAULT NULL,
+  `password` varchar(20) DEFAULT '',
+  `contact_person` varchar(50) DEFAULT NULL,
+  `contact_phone` varchar(20) DEFAULT '',
+  `contact_email` varchar(255) DEFAULT NULL,
+  `company_name` varchar(100) DEFAULT NULL,
+  `abn` varchar(20) DEFAULT NULL,
+  `short_name` varchar(50) DEFAULT NULL,
+  `address` varchar(200) DEFAULT NULL,
+  `suburb` varchar(50) DEFAULT NULL,
+  `state` varchar(20) DEFAULT NULL,
+  `postcode` varchar(20) DEFAULT NULL,
+  `industry` varchar(50) DEFAULT NULL,
+  `bank_no` varchar(20) DEFAULT NULL,
+  `bank_name` varchar(50) DEFAULT NULL,
+  `bsb_no` varchar(6) DEFAULT NULL,
+  `clean_days` smallint(6) DEFAULT NULL,
+  `create_time` datetime DEFAULT NULL,
+  `update_time` datetime DEFAULT NULL,
+  `agree` tinyint(1) DEFAULT NULL,
+  `company_phone` varchar(20) DEFAULT NULL,
+  PRIMARY KEY (`client_pre_apply_id`),
+  UNIQUE KEY `username` (`username`) USING BTREE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
\ No newline at end of file
diff --git a/src/main/java/au/com/royalpay/payment/manage/application/beans/ClientPreApplyBean.java b/src/main/java/au/com/royalpay/payment/manage/application/beans/ClientPreApplyBean.java
index abe3c616c..13661e32c 100644
--- a/src/main/java/au/com/royalpay/payment/manage/application/beans/ClientPreApplyBean.java
+++ b/src/main/java/au/com/royalpay/payment/manage/application/beans/ClientPreApplyBean.java
@@ -30,6 +30,8 @@ public class ClientPreApplyBean {
 
     private boolean agree;
 
+    private String codeKey;
+
     public JSONObject insertObject() {
         JSONObject res = (JSONObject) JSON.toJSON(this);
         return res;
@@ -185,4 +187,12 @@ public class ClientPreApplyBean {
     public void setCompany_phone(String company_phone) {
         this.company_phone = company_phone;
     }
+
+    public String getCodeKey() {
+        return codeKey;
+    }
+
+    public void setCodeKey(String codeKey) {
+        this.codeKey = codeKey;
+    }
 }
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 c2d51150f..c26fa7ebd 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
@@ -219,12 +219,15 @@ public class SimpleClientApplyServiceImpl implements SimpleClientApplyService {
     @Transactional
     public void updateApplyInfo(ClientPreApplyBean companyBean, String username) {
         JSONObject apply = sysClientPreMapperMapper.findByUserName(username);
-        if (apply != null ){
-            throw new BadRequestException("用户名已重复！");
-        }
         JSONObject applyInfo = companyBean.insertObject();
-        applyInfo.put("create_time",new Date());
-        sysClientPreMapperMapper.save(applyInfo);
+        if (apply == null ){
+            applyInfo.put("create_time",new Date());
+            sysClientPreMapperMapper.save(applyInfo);
+        }else {
+            applyInfo.put("client_pre_apply_id",apply.getIntValue("client_pre_apply_id"));
+            applyInfo.put("update_time",new Date());
+            sysClientPreMapperMapper.update(applyInfo);
+        }
         if(applyInfo.getBoolean("agree")){
             applyerToClient(username);
         }
diff --git a/src/main/java/au/com/royalpay/payment/manage/mappers/preapply/SysClientPreMapperMapper.java b/src/main/java/au/com/royalpay/payment/manage/mappers/preapply/SysClientPreMapperMapper.java
index 8a268e2cd..bdd1b88d6 100644
--- a/src/main/java/au/com/royalpay/payment/manage/mappers/preapply/SysClientPreMapperMapper.java
+++ b/src/main/java/au/com/royalpay/payment/manage/mappers/preapply/SysClientPreMapperMapper.java
@@ -10,7 +10,7 @@ import java.math.BigDecimal;
 import java.util.Date;
 import java.util.List;
 
-@AutoMapper(tablename = "sys_client_pre_apply", pkName = "client_pre_apply_id")
+@AutoMapper(tablename = "sys_client_pre_apply", pkName = "client_pre_apply_id",pkAutoIncrement = true)
 public interface SysClientPreMapperMapper {
    @AutoSql(type = SqlType.UPDATE)
    void update(JSONObject data);
diff --git a/src/main/ui/static/merchantapplication/merchant_application.js b/src/main/ui/static/merchantapplication/merchant_application.js
index f3a6d76bd..70195f836 100644
--- a/src/main/ui/static/merchantapplication/merchant_application.js
+++ b/src/main/ui/static/merchantapplication/merchant_application.js
@@ -216,6 +216,9 @@ angular.module('applyPartnerApp', ['ngMessages']).controller('applyPartnerCtrl',
             });
             return;
         }
+        if(index == 1){
+            $scope.partner.codeKey = Math.random().toString(16).substring(2);
+        }
         $http.post('/register/info/update/' + $scope.partner.username, $scope.partner).then(function (resp) {
             if (index == 3) {
                 $scope.getRateConfig();