diff --git a/api-admin/src/main/java/com/glxp/sale/admin/controller/auth/RegisterController.java b/api-admin/src/main/java/com/glxp/sale/admin/controller/auth/RegisterController.java
index f04703b..f3932b8 100644
--- a/api-admin/src/main/java/com/glxp/sale/admin/controller/auth/RegisterController.java
+++ b/api-admin/src/main/java/com/glxp/sale/admin/controller/auth/RegisterController.java
@@ -266,6 +266,10 @@ public class RegisterController {
                 break;
         }
         userRegisterEntity.setUserName(userName);
+        UserRegisterEntity userRegisterEntity1 = userRegisterService.selectByMobile(userRegisterEntity.getMobile());
+        if(userRegisterEntity1!=null){
+            userRegisterService.deleteByMobile(userRegisterEntity.getMobile());
+        }
         boolean b = userRegisterService.insertUserRegister(userRegisterEntity);
         if (!b) {
             return ResultVOUtils.error(ResultEnum.NOT_NETWORK);
diff --git a/api-admin/src/main/java/com/glxp/sale/admin/dao/auth/UserRegisterDao.java b/api-admin/src/main/java/com/glxp/sale/admin/dao/auth/UserRegisterDao.java
index d2a86fd..d908fce 100644
--- a/api-admin/src/main/java/com/glxp/sale/admin/dao/auth/UserRegisterDao.java
+++ b/api-admin/src/main/java/com/glxp/sale/admin/dao/auth/UserRegisterDao.java
@@ -16,7 +16,7 @@ public interface UserRegisterDao {
     boolean updateUserRegister(UserRegisterEntity userRegisterEntity);
 
     boolean deleteById(Long id);
-
+    boolean deleteByMobile(String phone);
     UserRegisterEntity selectById(Integer id);
 
     UserRegisterEntity selectByCustomerId(String id);
diff --git a/api-admin/src/main/java/com/glxp/sale/admin/service/auth/UserRegisterService.java b/api-admin/src/main/java/com/glxp/sale/admin/service/auth/UserRegisterService.java
index 176bcc6..0f8a68b 100644
--- a/api-admin/src/main/java/com/glxp/sale/admin/service/auth/UserRegisterService.java
+++ b/api-admin/src/main/java/com/glxp/sale/admin/service/auth/UserRegisterService.java
@@ -15,6 +15,8 @@ public interface UserRegisterService {
 
     boolean deleteById(Long id);
 
+    boolean deleteByMobile(String phone);
+
     UserRegisterEntity selectById(Integer id);
 
     UserRegisterEntity selectByMobile(String phone);
diff --git a/api-admin/src/main/java/com/glxp/sale/admin/service/auth/impl/UserRegisterServiceImpl.java b/api-admin/src/main/java/com/glxp/sale/admin/service/auth/impl/UserRegisterServiceImpl.java
index f14d3d2..a2e44c0 100644
--- a/api-admin/src/main/java/com/glxp/sale/admin/service/auth/impl/UserRegisterServiceImpl.java
+++ b/api-admin/src/main/java/com/glxp/sale/admin/service/auth/impl/UserRegisterServiceImpl.java
@@ -43,6 +43,11 @@ public class UserRegisterServiceImpl implements UserRegisterService {
         return userRegisterDao.deleteById(id);
     }
 
+    @Override
+    public boolean deleteByMobile(String phone) {
+        return userRegisterDao.deleteByMobile(phone);
+    }
+
 
     @Override
     public UserRegisterEntity selectById(Integer id) {
diff --git a/api-admin/src/main/resources/mybatis/mapper/auth/UserRegisterDao.xml b/api-admin/src/main/resources/mybatis/mapper/auth/UserRegisterDao.xml
index f92fbce..38da440 100644
--- a/api-admin/src/main/resources/mybatis/mapper/auth/UserRegisterDao.xml
+++ b/api-admin/src/main/resources/mybatis/mapper/auth/UserRegisterDao.xml
@@ -67,6 +67,11 @@
         where id = #{id}
     </delete>
 
+    <delete id="deleteByMobile" parameterType="java.lang.String">
+        delete
+        from user_register
+        where mobile = #{phone}
+    </delete>
     <delete id="deleteByCustomerId" parameterType="java.lang.String">
         delete
         from user_register