diff --git a/ruoyi-dk/src/main/java/com/ruoyi/dk/listener/AddTenantEventListener.java b/ruoyi-dk/src/main/java/com/ruoyi/dk/listener/AddTenantEventListener.java
new file mode 100644
index 0000000..3211be0
--- /dev/null
+++ b/ruoyi-dk/src/main/java/com/ruoyi/dk/listener/AddTenantEventListener.java
@@ -0,0 +1,40 @@
+package com.ruoyi.dk.listener;
+
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.ruoyi.component.core.constant.TenantConstants;
+import com.ruoyi.dk.domain.HomeSetting;
+import com.ruoyi.dk.domain.LoansSetting;
+import com.ruoyi.dk.service.HomeSettingService;
+import com.ruoyi.dk.service.LoansSettingService;
+import com.ruoyi.system.event.AddTenantEvent;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+@Component
+public class AddTenantEventListener {
+
+    @Autowired
+    private HomeSettingService homeSettingService;
+    @Autowired
+    private LoansSettingService loansSettingService;
+
+    @EventListener
+    public void event(AddTenantEvent addTenantEvent){
+        String defaultTenantId = TenantConstants.DEFAULT_TENANT_ID;
+        List<HomeSetting> homeSettingList = homeSettingService.list(Wrappers.lambdaQuery(HomeSetting.class).eq(HomeSetting::getTenantId, defaultTenantId));
+        for (HomeSetting setting : homeSettingList) {
+            setting.setTenantId(addTenantEvent.getTenantId());
+            setting.setId(null);
+        }
+        List<LoansSetting> loansSettingList = loansSettingService.list(Wrappers.lambdaQuery(LoansSetting.class).eq(LoansSetting::getTenantId, defaultTenantId));
+        for (LoansSetting setting : loansSettingList) {
+            setting.setTenantId(addTenantEvent.getTenantId());
+            setting.setId(null);
+        }
+        homeSettingService.saveBatch(homeSettingList);
+        loansSettingService.saveBatch(loansSettingList);
+    }
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysTenant.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysTenant.java
index aba9d25..71c9c32 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysTenant.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysTenant.java
@@ -42,6 +42,11 @@ public class SysTenant extends BaseEntity {
      */
     private String contactPhone;
 
+    /**
+     * 前缀
+     */
+    private String prefix;
+
     /**
      * 企业名称
      */
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysUser.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysUser.java
index 2dbbabe..06ab97a 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysUser.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysUser.java
@@ -159,6 +159,11 @@ public class SysUser extends TenantEntity {
     @TableField(exist = false)
     private Long roleId;
 
+    /**
+     * 前缀
+     */
+    private String prefix;
+
     public SysUser(Long userId) {
         this.userId = userId;
     }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain/bo/SysTenantBo.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain/bo/SysTenantBo.java
index edb232d..41a08cb 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/domain/bo/SysTenantBo.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain/bo/SysTenantBo.java
@@ -52,9 +52,10 @@ public class SysTenantBo extends BaseEntity {
     /**
      * 用户名（创建系统用户）
      */
-    @NotBlank(message = "用户名不能为空", groups = { AddGroup.class })
-    private String username;
-
+//    @NotBlank(message = "用户名不能为空", groups = { AddGroup.class })
+//    private String username;
+    @NotBlank(message = "用户名前缀不能为空", groups = {AddGroup.class})
+    private String prefix;
     /**
      * 密码（创建系统用户）
      */
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain/vo/SysTenantVo.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain/vo/SysTenantVo.java
index 565a1da..a3556db 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/domain/vo/SysTenantVo.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain/vo/SysTenantVo.java
@@ -99,6 +99,8 @@ public class SysTenantVo implements Serializable {
     @ExcelProperty(value = "用户数量")
     private Long accountCount;
 
+    private String prefix;
+
     /**
      * 租户状态（0正常 1停用）
      */
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/event/AddTenantEvent.java b/ruoyi-system/src/main/java/com/ruoyi/system/event/AddTenantEvent.java
new file mode 100644
index 0000000..f9c990e
--- /dev/null
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/event/AddTenantEvent.java
@@ -0,0 +1,8 @@
+package com.ruoyi.system.event;
+
+import lombok.Data;
+
+@Data
+public class AddTenantEvent {
+    private String tenantId;
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysTenantServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysTenantServiceImpl.java
index 4529785..9a0f5bf 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysTenantServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysTenantServiceImpl.java
@@ -19,6 +19,7 @@ import com.ruoyi.component.mybatis.core.page.TableDataInfo;
 import com.ruoyi.system.domain.*;
 import com.ruoyi.system.domain.bo.SysTenantBo;
 import com.ruoyi.system.domain.vo.SysTenantVo;
+import com.ruoyi.system.event.AddTenantEvent;
 import com.ruoyi.system.mapper.*;
 import com.ruoyi.system.service.ISysTenantService;
 import org.springframework.cache.annotation.CacheEvict;
@@ -129,6 +130,10 @@ public class SysTenantServiceImpl implements ISysTenantService {
             new LambdaQueryWrapper<SysTenant>().select(SysTenant::getTenantId));
         String tenantId = generateTenantId(tenantIds);
         add.setTenantId(tenantId);
+        boolean exists = baseMapper.exists(Wrappers.lambdaQuery(SysTenant.class).eq(SysTenant::getPrefix, bo.getPrefix()));
+        if(exists){
+            throw new ServiceException("用户名前缀已经存在！");
+        }
         boolean flag = baseMapper.insert(add) > 0;
         if (!flag) {
             throw new ServiceException("创建租户失败");
@@ -152,12 +157,18 @@ public class SysTenantServiceImpl implements ISysTenantService {
         roleDept.setRoleId(roleId);
         roleDept.setDeptId(deptId);
         roleDeptMapper.insert(roleDept);
-
+        String adminUsername = bo.getPrefix()+"_admin";
+        // 检测用户是否存在
+        SysUser sysUser = userMapper.selectUserByUserName(adminUsername);
+        if(sysUser != null){
+            throw new ServiceException("平台超管已经存在！");
+        }
         // 创建系统用户
         SysUser user = new SysUser();
         user.setTenantId(tenantId);
-        user.setUserName(bo.getUsername());
-        user.setNickName(bo.getUsername());
+        user.setPrefix(bo.getPrefix());
+        user.setUserName(bo.getPrefix()+"_admin");
+        user.setNickName("平台管理员");
         user.setPassword(BCrypt.hashpw(bo.getPassword()));
         user.setDeptId(deptId);
         userMapper.insert(user);
@@ -196,6 +207,10 @@ public class SysTenantServiceImpl implements ISysTenantService {
             config.setTenantId(tenantId);
         }
 //        configMapper.insertBatch(sysConfigList);
+        // 执行系统自定义的接口生成
+        AddTenantEvent event = new AddTenantEvent();
+        event.setTenantId(tenantId);
+        SpringUtils.context().publishEvent(event);
         return true;
     }