diff --git a/features/udm_user/repo/repo_udm_sub_user.go b/features/udm_user/repo/repo_udm_sub_user.go
index bb38dd2c..428d7a38 100644
--- a/features/udm_user/repo/repo_udm_sub_user.go
+++ b/features/udm_user/repo/repo_udm_sub_user.go
@@ -208,7 +208,7 @@ func (r *RepoUdmSubUser) ClearAndInsert(neID string, subArr []model.UdmSubUser)
 		batch := subArr[i:end]
 
 		// multi-tenancy
-		r.SetTenantName(batch)
+		r.SetTenantName(&batch)
 
 		// 调用 InsertMulti 函数将批量数据插入数据库
 		results, err := datasource.DefaultDB().Table("u_sub_user").InsertMulti(batch)
@@ -253,7 +253,7 @@ func (r *RepoUdmSubUser) Inserts(subUser []model.UdmSubUser) int64 {
 		batch := subUser[i:end]
 
 		// multi-tenancy
-		r.SetTenantName(batch)
+		r.SetTenantName(&batch)
 
 		// 调用 InsertMulti 函数将批量数据插入数据库
 		results, err := datasource.DefaultDB().Table("u_sub_user").InsertMulti(batch)
@@ -285,7 +285,7 @@ func (r *RepoUdmSubUser) Insert4G(neID string, subUser model.UdmSubUser) int64 {
 
 		// multi-tenancy
 		subUserSlice := []model.UdmSubUser{subUser}
-		r.SetTenantName(subUserSlice)
+		r.SetTenantName(&subUserSlice)
 
 		results, err := datasource.DefaultDB().Table("u_sub_user").Insert(subUser)
 		if err == nil {
@@ -475,15 +475,18 @@ func (r *RepoUdmSubUser) Deletes(neID, imsi, num string) int64 {
 }
 
 // multi-tenancy solution, get tenant_name by imsi
-func (r *RepoUdmSubUser) SetTenantName(subArr []model.UdmSubUser) {
-	for s := 0; s < len(subArr); s++ {
+func (r *RepoUdmSubUser) SetTenantName(subArr *[]model.UdmSubUser) {
+	for s := 0; s < len(*subArr); s++ {
 		var tenantName string
 		err := datasource.DefaultDB().Table("sys_tenant_map").
-			Where("mapping_type='udm_sub' and mapping_key='?'", subArr[s].Imsi).Cols("tenant_name").Find(tenantName)
+			Where("mapping_type='udm_sub' and mapping_key='?'", (*subArr)[s].Imsi).Cols("tenant_name").Find(tenantName)
 		if err != nil {
 			log.Errorf("Find tenant_name err => %v", err)
 			continue
 		}
-		subArr[s].TenantName = tenantName
+		if tenantName != "" {
+			log.Infof("tenantName=%s imsi=%s", tenantName, (*subArr)[s].Imsi)
+		}
+		(*subArr)[s].TenantName = tenantName
 	}
 }
diff --git a/src/framework/vo/treeselect.go b/src/framework/vo/treeselect.go
index 01fcf895..704304f6 100644
--- a/src/framework/vo/treeselect.go
+++ b/src/framework/vo/treeselect.go
@@ -49,3 +49,21 @@ func SysDeptTreeSelect(sysDept systemModel.SysDept) TreeSelect {
 
 	return t
 }
+
+// SysDeptTreeSelect 使用给定的 SysDept 对象解析为 TreeSelect 对象
+func SysTenantTreeSelect(sysTenant systemModel.SysTenant) TreeSelect {
+	t := TreeSelect{}
+	t.ID = sysTenant.TenantID
+	t.Label = sysTenant.TenantName
+
+	if len(sysTenant.Children) > 0 {
+		for _, tenant := range sysTenant.Children {
+			child := SysTenantTreeSelect(tenant)
+			t.Children = append(t.Children, child)
+		}
+	} else {
+		t.Children = []TreeSelect{}
+	}
+
+	return t
+}
diff --git a/src/modules/network_element/repository/udm_sub.impl.go b/src/modules/network_element/repository/udm_sub.impl.go
index 997c6acb..851e25f3 100644
--- a/src/modules/network_element/repository/udm_sub.impl.go
+++ b/src/modules/network_element/repository/udm_sub.impl.go
@@ -1,6 +1,7 @@
 package repository
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
@@ -40,7 +41,7 @@ var NewUDMSubImpl = &UDMSubImpl{
 		"context_id":  "ContextId",
 		"apn_context": "ApnContext",
 		"static_ip":   "StaticIp",
-		"tenant_name": "TenantName", // Tenant ID for multi-tenancy
+		"tenant_name": "TenantName", // Tenant name for multi-tenancy
 	},
 }
 
@@ -97,8 +98,9 @@ func (r *UDMSubImpl) SelectPage(query map[string]any) map[string]any {
 	}
 	// for multi-tenancy solution
 	if v, ok := query["tenantName"]; ok && v != "" {
-		conditions = append(conditions, "tenant_name = '?'")
+		conditions = append(conditions, "tenant_name = ?")
 		params = append(params, v)
+		fmt.Printf("tenantName = %s", v)
 	}
 
 	// 构建查询条件语句
diff --git a/src/modules/system/controller/sys_tenant.go b/src/modules/system/controller/sys_tenant.go
new file mode 100644
index 00000000..5342a307
--- /dev/null
+++ b/src/modules/system/controller/sys_tenant.go
@@ -0,0 +1,381 @@
+package controller
+
+import (
+	"strings"
+
+	"be.ems/src/framework/constants/common"
+	"be.ems/src/framework/i18n"
+	"be.ems/src/framework/utils/ctx"
+	"be.ems/src/framework/vo"
+	"be.ems/src/framework/vo/result"
+	"be.ems/src/modules/system/model"
+	"be.ems/src/modules/system/service"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+)
+
+// 实例化控制层 SysTenantController 结构体
+var NewSysTenant = &SysTenantController{
+	sysTenantService: service.NewSysTenantImpl,
+}
+
+// 租户信息
+//
+// PATH /system/tenant
+type SysTenantController struct {
+	// 租户服务
+	sysTenantService service.ISysTenant
+}
+
+// 租户列表
+//
+// GET /list
+func (s *SysTenantController) List(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	var querys struct {
+		// 租户ID
+		TenantID string `form:"tenantId"`
+		// 父租户ID
+		ParentID string `form:"parentId" `
+		// 租户名称
+		TenantName string `form:"tenantName" `
+		// 租户状态（0正常 1停用）
+		Status string `form:"status"`
+	}
+	err := c.ShouldBindQuery(&querys)
+	if err != nil {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	// 多语言值转key查询
+	if querys.TenantName != "" {
+		querys.TenantName = i18n.TFindKeyPrefix(language, "tenant", querys.TenantName)
+	}
+
+	SysTenantController := model.SysTenant{
+		TenantID:   querys.TenantID,
+		ParentID:   querys.ParentID,
+		TenantName: querys.TenantName,
+		Status:     querys.Status,
+	}
+	dataScopeSQL := ctx.LoginUserToDataScopeSQL(c, "d", "")
+	data := s.sysTenantService.SelectTenantList(SysTenantController, dataScopeSQL)
+
+	// 闭包函数处理多语言
+	converI18n := func(language string, arr *[]model.SysTenant) {
+		for i := range *arr {
+			(*arr)[i].TenantName = i18n.TKey(language, (*arr)[i].TenantName)
+		}
+	}
+	converI18n(language, &data)
+
+	c.JSON(200, result.OkData(data))
+}
+
+// 租户信息
+//
+// GET /:tenantId
+func (s *SysTenantController) Info(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	tenantId := c.Param("tenantId")
+	if tenantId == "" {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+	data := s.sysTenantService.SelectTenantById(tenantId)
+	if data.TenantID == tenantId {
+		// 处理多语言
+		data.TenantName = i18n.TKey(language, data.TenantName)
+		c.JSON(200, result.OkData(data))
+		return
+	}
+	c.JSON(200, result.Err(nil))
+}
+
+// 租户新增
+//
+// POST /
+func (s *SysTenantController) Add(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	var body model.SysTenant
+	err := c.ShouldBindBodyWith(&body, binding.JSON)
+	if err != nil || body.TenantID != "" {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	// 父级ID不为0是要检查
+	if body.ParentID != "0" {
+		tenantParent := s.sysTenantService.SelectTenantById(body.ParentID)
+		if tenantParent.TenantID != body.ParentID {
+			// 没有可访问租户数据！
+			c.JSON(200, result.ErrMsg(i18n.TKey(language, "tenant.noData")))
+			return
+		}
+		if tenantParent.Status == common.STATUS_NO {
+			// 上级租户【%s】停用，不允许新增
+			msg := i18n.TTemplate(language, "tenant.errParentStatus", map[string]any{"name": tenantParent.TenantName})
+			c.JSON(200, result.ErrMsg(msg))
+			return
+		}
+		if tenantParent.DelFlag == common.STATUS_YES {
+			// 上级租户【%s】已删除，不允许新增
+			msg := i18n.TTemplate(language, "tenant.errParentDelFlag", map[string]any{"name": tenantParent.TenantName})
+			c.JSON(200, result.ErrMsg(msg))
+			return
+		}
+		body.Ancestors = tenantParent.Ancestors + "," + body.ParentID
+	} else {
+		body.Ancestors = "0"
+	}
+
+	// 检查同级下名称唯一
+	uniqueTenantName := s.sysTenantService.CheckUniqueTenantName(body.TenantName, body.ParentID, "")
+	if !uniqueTenantName {
+		// 租户新增【%s】失败，租户名称已存在
+		msg := i18n.TTemplate(language, "tenant.errNameExists", map[string]any{"name": body.TenantName})
+		c.JSON(200, result.ErrMsg(msg))
+		return
+	}
+
+	body.CreateBy = ctx.LoginUserToUserName(c)
+	insertId := s.sysTenantService.InsertTenant(body)
+	if insertId != "" {
+		c.JSON(200, result.Ok(nil))
+		return
+	}
+	c.JSON(200, result.Err(nil))
+}
+
+// 租户修改
+//
+// PUT /
+func (s *SysTenantController) Edit(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	var body model.SysTenant
+	err := c.ShouldBindBodyWith(&body, binding.JSON)
+	if err != nil || body.TenantID == "" {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	// 上级租户不能选自己
+	if body.TenantID == body.ParentID {
+		// 租户修改【%s】失败，上级租户不能是自己
+		msg := i18n.TTemplate(language, "tenant.errParentID", map[string]any{"name": body.TenantName})
+		c.JSON(200, result.ErrMsg(msg))
+		return
+	}
+
+	// 检查数据是否存在
+	tenantInfo := s.sysTenantService.SelectTenantById(body.TenantID)
+	if tenantInfo.TenantID != body.TenantID {
+		// 没有可访问租户数据！
+		c.JSON(200, result.ErrMsg(i18n.TKey(language, "tenant.noData")))
+		return
+	}
+	// 父级ID不为0是要检查
+	if body.ParentID != "0" {
+		tenantParent := s.sysTenantService.SelectTenantById(body.ParentID)
+		if tenantParent.TenantID != body.ParentID {
+			// 没有可访问租户数据！
+			c.JSON(200, result.ErrMsg(i18n.TKey(language, "tenant.noData")))
+			return
+		}
+	}
+
+	// 检查同级下名称唯一
+	uniqueTenantName := s.sysTenantService.CheckUniqueTenantName(body.TenantName, body.ParentID, body.TenantID)
+	if !uniqueTenantName {
+		// 租户修改【%s】失败，租户名称已存在
+		msg := i18n.TTemplate(language, "tenant.errNameExists", map[string]any{"name": body.TenantName})
+		c.JSON(200, result.ErrMsg(msg))
+		return
+	}
+
+	// 上级停用需要检查下级是否有在使用
+	if body.Status == common.STATUS_NO {
+		hasChild := s.sysTenantService.HasChildByTenantId(body.TenantID)
+		if hasChild > 0 {
+			// 该租户包含未停用的子租户数量：%d
+			msg := i18n.TTemplate(language, "tenant.errHasChildUse", map[string]any{"num": hasChild})
+			c.JSON(200, result.ErrMsg(msg))
+			return
+		}
+	}
+
+	// 多语言非原始值
+	i18nValue := i18n.TKey(language, tenantInfo.TenantName)
+	if i18nValue != tenantInfo.TenantName {
+		i18n.UpdateKeyValue(language, tenantInfo.TenantName, body.TenantName)
+		body.TenantName = tenantInfo.TenantName
+	}
+
+	body.UpdateBy = ctx.LoginUserToUserName(c)
+	rows := s.sysTenantService.UpdateTenant(body)
+	if rows > 0 {
+		c.JSON(200, result.Ok(nil))
+		return
+	}
+	c.JSON(200, result.Err(nil))
+}
+
+// 租户删除
+//
+// DELETE /:tenantId
+func (s *SysTenantController) Remove(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	tenantId := c.Param("tenantId")
+	if tenantId == "" {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	// 检查数据是否存在
+	tenant := s.sysTenantService.SelectTenantById(tenantId)
+	if tenant.TenantID != tenantId {
+		// 没有可访问租户数据！
+		c.JSON(200, result.ErrMsg(i18n.TKey(language, "tenant.noData")))
+		return
+	}
+
+	// 检查是否存在子租户
+	hasChild := s.sysTenantService.HasChildByTenantId(tenantId)
+	if hasChild > 0 {
+		// 不允许删除，存在子租户数：%d
+		msg := i18n.TTemplate(language, "tenant.errHasChildUse", map[string]any{"num": hasChild})
+		c.JSON(200, result.ErrMsg(msg))
+		return
+	}
+
+	// 检查是否分配给用户
+	existUser := s.sysTenantService.CheckTenantExistUser(tenantId)
+	if existUser > 0 {
+		// 不允许删除，租户已分配给用户数：%d
+		msg := i18n.TTemplate(language, "tenant.errHasUserUse", map[string]any{"num": existUser})
+		c.JSON(200, result.ErrMsg(msg))
+		return
+	}
+
+	rows := s.sysTenantService.DeleteTenantById(tenantId)
+	if rows > 0 {
+		// 删除成功：%d
+		msg := i18n.TTemplate(language, "app.common.deleteSuccess", map[string]any{"num": rows})
+		c.JSON(200, result.OkMsg(msg))
+		return
+	}
+	c.JSON(200, result.Err(nil))
+}
+
+// 租户列表（排除节点）
+//
+// GET /list/exclude/:tenantId
+func (s *SysTenantController) ExcludeChild(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	tenantId := c.Param("tenantId")
+	if tenantId == "" {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	dataScopeSQL := ctx.LoginUserToDataScopeSQL(c, "d", "")
+	data := s.sysTenantService.SelectTenantList(model.SysTenant{}, dataScopeSQL)
+
+	// 过滤排除节点
+	filtered := make([]model.SysTenant, 0)
+	for _, tenant := range data {
+		hasAncestor := false
+		ancestorList := strings.Split(tenant.Ancestors, ",")
+		for _, ancestor := range ancestorList {
+			if ancestor == tenantId {
+				hasAncestor = true
+				break
+			}
+		}
+		if !(tenant.TenantID == tenantId || hasAncestor) {
+			tenant.TenantName = i18n.TKey(language, tenant.TenantName)
+			filtered = append(filtered, tenant)
+		}
+	}
+	c.JSON(200, result.OkData(filtered))
+}
+
+// 租户树结构列表
+//
+// GET /treeSelect
+func (s *SysTenantController) TreeSelect(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	var querys struct {
+		// 租户ID
+		TenantID string `json:"tenantId"`
+		// 父租户ID
+		ParentID string `json:"parentId" `
+		// 租户名称
+		TenantName string `json:"tenantName" `
+		// 租户状态（0正常 1停用）
+		Status string `json:"status"`
+	}
+	err := c.ShouldBindQuery(&querys)
+	if err != nil {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	SysTenantController := model.SysTenant{
+		TenantID:   querys.TenantID,
+		ParentID:   querys.ParentID,
+		TenantName: querys.TenantName,
+		Status:     querys.Status,
+	}
+	dataScopeSQL := ctx.LoginUserToDataScopeSQL(c, "d", "")
+	tenantTreeSelect := s.sysTenantService.SelectTenantTreeSelect(SysTenantController, dataScopeSQL)
+
+	// 闭包函数处理多语言
+	var converI18n func(language string, arr *[]vo.TreeSelect)
+	converI18n = func(language string, arr *[]vo.TreeSelect) {
+		for i := range *arr {
+			(*arr)[i].Label = i18n.TKey(language, (*arr)[i].Label)
+			if len((*arr)[i].Children) > 0 {
+				converI18n(language, &(*arr)[i].Children)
+			}
+		}
+	}
+	converI18n(language, &tenantTreeSelect)
+
+	c.JSON(200, result.OkData(tenantTreeSelect))
+}
+
+// 租户树结构列表（指定角色）
+//
+// GET /roleTenantTreeSelect/:roleId
+func (s *SysTenantController) RoleTenantTreeSelect(c *gin.Context) {
+	language := ctx.AcceptLanguage(c)
+	roleId := c.Param("roleId")
+	if roleId == "" {
+		c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
+		return
+	}
+
+	dataScopeSQL := ctx.LoginUserToDataScopeSQL(c, "d", "")
+	tenantTreeSelect := s.sysTenantService.SelectTenantTreeSelect(model.SysTenant{}, dataScopeSQL)
+	checkedKeys := s.sysTenantService.SelectTenantListByRoleId(roleId)
+
+	// 闭包函数处理多语言
+	var converI18n func(language string, arr *[]vo.TreeSelect)
+	converI18n = func(language string, arr *[]vo.TreeSelect) {
+		for i := range *arr {
+			(*arr)[i].Label = i18n.TKey(language, (*arr)[i].Label)
+			if len((*arr)[i].Children) > 0 {
+				converI18n(language, &(*arr)[i].Children)
+			}
+		}
+	}
+	converI18n(language, &tenantTreeSelect)
+
+	c.JSON(200, result.OkData(map[string]any{
+		"tenants":     tenantTreeSelect,
+		"checkedKeys": checkedKeys,
+	}))
+}
diff --git a/src/modules/system/model/sys_role.go b/src/modules/system/model/sys_role.go
index c4a8d9eb..5de708b5 100644
--- a/src/modules/system/model/sys_role.go
+++ b/src/modules/system/model/sys_role.go
@@ -16,6 +16,8 @@ type SysRole struct {
 	MenuCheckStrictly string `json:"menuCheckStrictly"`
 	// 部门树选择项是否关联显示（0：父子不互相关联显示 1：父子互相关联显示）
 	DeptCheckStrictly string `json:"deptCheckStrictly"`
+	// 部门树选择项是否关联显示（0：父子不互相关联显示 1：父子互相关联显示）
+	TenantCheckStrictly string `json:"tenantCheckStrictly"`
 	// 角色状态（0停用 1正常）
 	Status string `json:"status"`
 	// 删除标志（0代表存在 1代表删除）
@@ -37,4 +39,6 @@ type SysRole struct {
 	MenuIds []string `json:"menuIds,omitempty"`
 	// 部门组（数据权限）
 	DeptIds []string `json:"deptIds,omitempty"`
+	// 租户权限
+	TenantIds []string `json:"tenantIds,omitempty"`
 }
diff --git a/src/modules/system/model/sys_role_tenant.go b/src/modules/system/model/sys_role_tenant.go
new file mode 100644
index 00000000..4c522567
--- /dev/null
+++ b/src/modules/system/model/sys_role_tenant.go
@@ -0,0 +1,15 @@
+package model
+
+// SysRoleDept 角色和部门关联对象 sys_role_dept
+type SysRoleTenant struct {
+	RoleID   string `json:"roleId"`   // 角色ID
+	TenantID string `json:"TenantID"` // 部门ID
+}
+
+// NewSysRoleDept 创建角色和部门关联对象的构造函数
+func NewSysRoleTenant(roleID string, tenantID string) SysRoleTenant {
+	return SysRoleTenant{
+		RoleID:   roleID,
+		TenantID: tenantID,
+	}
+}
diff --git a/src/modules/system/model/sys_tenant.go b/src/modules/system/model/sys_tenant.go
new file mode 100644
index 00000000..4023e0bf
--- /dev/null
+++ b/src/modules/system/model/sys_tenant.go
@@ -0,0 +1,39 @@
+package model
+
+// SysTenant 部门对象 sys_Tenant
+type SysTenant struct {
+	// 部门ID
+	TenantID string `json:"TenantId"`
+	// 父部门ID
+	ParentID string `json:"parentId" binding:"required"`
+	// 祖级列表
+	Ancestors string `json:"ancestors"`
+	// 部门名称
+	TenantName string `json:"TenantName" binding:"required"`
+	// 显示顺序
+	OrderNum int `json:"orderNum"`
+	// tenancy type: sd-sst, apn, imsi, msisdn
+	Type string `json:"type"`
+	// tenancy key: key of sd-sst, apn, imsi, msisdn
+	Key string `json:"key"`
+	// 部门状态（0正常 1停用）
+	Status string `json:"status"`
+	// 删除标志（0代表存在 1代表删除）
+	DelFlag string `json:"delFlag"`
+	// 创建者
+	CreateBy string `json:"createBy"`
+	// 创建时间
+	CreateTime int64 `json:"createTime"`
+	// 更新者
+	UpdateBy string `json:"updateBy"`
+	// 更新时间
+	UpdateTime int64 `json:"updateTime"`
+
+	// ====== 非数据库字段属性 ======
+
+	// 子部门列表
+	Children []SysTenant `json:"children,omitempty"`
+
+	// 父部门名称
+	ParentName string `json:"parentName,omitempty"`
+}
diff --git a/src/modules/system/repository/sys_role_tenant.go b/src/modules/system/repository/sys_role_tenant.go
new file mode 100644
index 00000000..3a401fcd
--- /dev/null
+++ b/src/modules/system/repository/sys_role_tenant.go
@@ -0,0 +1,15 @@
+package repository
+
+import "be.ems/src/modules/system/model"
+
+// ISysRoleTenant 角色与部门关联表 数据层接口
+type ISysRoleTenant interface {
+	// DeleteRoleTenant 批量删除角色部门关联信息
+	DeleteRoleTenant(roleIds []string) int64
+
+	// DeleteTenantRole 批量删除部门角色关联信息
+	DeleteTenantRole(tenantIds []string) int64
+
+	// BatchRoleTenant 批量新增角色部门信息
+	BatchRoleTenant(sysRoleTenants []model.SysRoleTenant) int64
+}
diff --git a/src/modules/system/repository/sys_role_tenant.impl.go b/src/modules/system/repository/sys_role_tenant.impl.go
new file mode 100644
index 00000000..0ce0bc8f
--- /dev/null
+++ b/src/modules/system/repository/sys_role_tenant.impl.go
@@ -0,0 +1,58 @@
+package repository
+
+import (
+	"fmt"
+	"strings"
+
+	"be.ems/src/framework/datasource"
+	"be.ems/src/framework/logger"
+	"be.ems/src/framework/utils/repo"
+	"be.ems/src/modules/system/model"
+)
+
+// 实例化数据层 SysRoleTenantImpl 结构体
+var NewSysRoleTenantImpl = &SysRoleTenantImpl{}
+
+// SysRoleTenantImpl 角色与部门关联表 数据层处理
+type SysRoleTenantImpl struct{}
+
+// DeleteRoleTenant 批量删除角色部门关联信息
+func (r *SysRoleTenantImpl) DeleteRoleTenant(roleIds []string) int64 {
+	placeholder := repo.KeyPlaceholderByQuery(len(roleIds))
+	sql := "delete from sys_role_tenant where role_id in (" + placeholder + ")"
+	parameters := repo.ConvertIdsSlice(roleIds)
+	results, err := datasource.ExecDB("", sql, parameters)
+	if err != nil {
+		logger.Errorf("delete err => %v", err)
+		return 0
+	}
+	return results
+}
+
+// DeleteTenantRole 批量删除部门角色关联信息
+func (r *SysRoleTenantImpl) DeleteTenantRole(tenantIds []string) int64 {
+	placeholder := repo.KeyPlaceholderByQuery(len(tenantIds))
+	sql := "delete from sys_role_tenant where tenant_id in (" + placeholder + ")"
+	parameters := repo.ConvertIdsSlice(tenantIds)
+	results, err := datasource.ExecDB("", sql, parameters)
+	if err != nil {
+		logger.Errorf("delete err => %v", err)
+		return 0
+	}
+	return results
+}
+
+// BatchRoleTenant 批量新增角色部门信息
+func (r *SysRoleTenantImpl) BatchRoleTenant(sysRoleTenants []model.SysRoleTenant) int64 {
+	keyValues := make([]string, 0)
+	for _, item := range sysRoleTenants {
+		keyValues = append(keyValues, fmt.Sprintf("(%s,%s)", item.RoleID, item.TenantID))
+	}
+	sql := "insert into sys_role_tenant(role_id, tenant_id) values " + strings.Join(keyValues, ",")
+	results, err := datasource.ExecDB("", sql, nil)
+	if err != nil {
+		logger.Errorf("delete err => %v", err)
+		return 0
+	}
+	return results
+}
diff --git a/src/modules/system/repository/sys_tenant.go b/src/modules/system/repository/sys_tenant.go
new file mode 100644
index 00000000..ec2f1618
--- /dev/null
+++ b/src/modules/system/repository/sys_tenant.go
@@ -0,0 +1,42 @@
+package repository
+
+import "be.ems/src/modules/system/model"
+
+// ISysTenant 租户表 数据层接口
+type ISysTenant interface {
+	// SelectTenantList 查询租户管理数据
+	SelectTenantList(sysTenant model.SysTenant, dataScopeSQL string) []model.SysTenant
+
+	// SelectTenantListByRoleId 根据角色ID查询租户树信息
+	SelectTenantListByRoleId(roleId string, tenantCheckStrictly bool) []string
+
+	// SelectTenantById 根据租户ID查询信息
+	SelectTenantById(tenantId string) model.SysTenant
+
+	// SelectChildrenTenantById 根据ID查询所有子租户
+	SelectChildrenTenantById(tenantId string) []model.SysTenant
+
+	// HasChildByTenantId 是否存在子节点
+	HasChildByTenantId(tenantId string) int64
+
+	// CheckTenantExistUser 查询租户是否存在用户
+	CheckTenantExistUser(tenantId string) int64
+
+	// CheckUniqueTenant 校验租户是否唯一
+	CheckUniqueTenant(sysTenant model.SysTenant) string
+
+	// InsertTenant 新增租户信息
+	InsertTenant(sysTenant model.SysTenant) string
+
+	// UpdateTenant 修改租户信息
+	UpdateTenant(sysTenant model.SysTenant) int64
+
+	// UpdateTenantStatusNormal 修改所在租户正常状态
+	UpdateTenantStatusNormal(tenantIds []string) int64
+
+	// UpdateTenantChildren 修改子元素关系
+	UpdateTenantChildren(sysTenants []model.SysTenant) int64
+
+	// DeleteTenantById 删除租户管理信息
+	DeleteTenantById(tenantId string) int64
+}
diff --git a/src/modules/system/repository/sys_tenant.impl.go b/src/modules/system/repository/sys_tenant.impl.go
new file mode 100644
index 00000000..4d28c42b
--- /dev/null
+++ b/src/modules/system/repository/sys_tenant.impl.go
@@ -0,0 +1,386 @@
+package repository
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"be.ems/src/framework/datasource"
+	"be.ems/src/framework/logger"
+	"be.ems/src/framework/utils/parse"
+	"be.ems/src/framework/utils/repo"
+	"be.ems/src/modules/system/model"
+)
+
+// 实例化数据层 SysTenantImpl 结构体
+var NewSysTenantImpl = &SysTenantImpl{
+	selectSql: `select 
+	t.tenant_id, t.parent_id, t.ancestors, t.tenant_name, t.order_num, t.type, t.key, t.status, t.del_flag, t.create_by, t.create_time 
+	from sys_tenant t`,
+
+	resultMap: map[string]string{
+		"tenant_id":   "TenantID",
+		"parent_id":   "ParentID",
+		"ancestors":   "Ancestors",
+		"tenant_name": "TenantName",
+		"order_num":   "OrderNum",
+		"type":        "Type",
+		"key":         "Key",
+		"status":      "Status",
+		"del_flag":    "DelFlag",
+		"create_by":   "CreateBy",
+		"create_time": "CreateTime",
+		"update_by":   "UpdateBy",
+		"update_time": "UpdateTime",
+		"parent_name": "ParentName",
+	},
+}
+
+// SysTenantImpl 部门表 数据层处理
+type SysTenantImpl struct {
+	// 查询视图对象SQL
+	selectSql string
+	// 结果字段与实体映射
+	resultMap map[string]string
+}
+
+// convertResultRows 将结果记录转实体结果组
+func (r *SysTenantImpl) convertResultRows(rows []map[string]any) []model.SysTenant {
+	arr := make([]model.SysTenant, 0)
+	for _, row := range rows {
+		sysTenant := model.SysTenant{}
+		for key, value := range row {
+			if keyMapper, ok := r.resultMap[key]; ok {
+				repo.SetFieldValue(&sysTenant, keyMapper, value)
+			}
+		}
+		arr = append(arr, sysTenant)
+	}
+	return arr
+}
+
+// SelectTenantList 查询部门管理数据
+func (r *SysTenantImpl) SelectTenantList(sysTenant model.SysTenant, dataScopeSQL string) []model.SysTenant {
+	// 查询条件拼接
+	var conditions []string
+	var params []any
+	if sysTenant.TenantID != "" {
+		conditions = append(conditions, "tenant_id = ?")
+		params = append(params, sysTenant.TenantID)
+	}
+	if sysTenant.ParentID != "" {
+		conditions = append(conditions, "parent_id = ?")
+		params = append(params, sysTenant.ParentID)
+	}
+	if sysTenant.TenantName != "" {
+		conditions = append(conditions, "tenant_name like concat(?, '%')")
+		params = append(params, sysTenant.TenantName)
+	}
+	if sysTenant.Status != "" {
+		conditions = append(conditions, "status = ?")
+		params = append(params, sysTenant.Status)
+	}
+
+	// 构建查询条件语句
+	whereSql := " where t.del_flag = '0' "
+	if len(conditions) > 0 {
+		whereSql += " and " + strings.Join(conditions, " and ")
+	}
+
+	// 查询数据
+	orderSql := " order by t.parent_id, t.order_num asc "
+	querySql := r.selectSql + whereSql + dataScopeSQL + orderSql
+	results, err := datasource.RawDB("", querySql, params)
+	if err != nil {
+		logger.Errorf("query err => %v", err)
+		return []model.SysTenant{}
+	}
+
+	// 转换实体
+	return r.convertResultRows(results)
+}
+
+// SelectTenantListByRoleId 根据角色ID查询部门树信息
+func (r *SysTenantImpl) SelectTenantListByRoleId(roleId string, tenantCheckStrictly bool) []string {
+	querySql := `select t.tenant_id as 'str' from sys_tenant d
+    left join sys_role_tenant rd on t.tenant_id = rt.tenant_id
+    where rt.role_id = ? `
+	var params []any
+	params = append(params, roleId)
+	// 展开
+	if tenantCheckStrictly {
+		querySql += ` and t.tenant_id not in 
+		(select t.parent_id from sys_tenant d
+		inner join sys_role_tenant rd on t.tenant_id = rt.tenant_id 
+		and rt.role_id = ?) `
+		params = append(params, roleId)
+	}
+	querySql += "order by t.parent_id, t.order_num"
+
+	// 查询结果
+	results, err := datasource.RawDB("", querySql, params)
+	if err != nil {
+		logger.Errorf("query err => %v", err)
+		return []string{}
+	}
+
+	if len(results) > 0 {
+		ids := make([]string, 0)
+		for _, v := range results {
+			ids = append(ids, fmt.Sprintf("%v", v["str"]))
+		}
+		return ids
+	}
+	return []string{}
+}
+
+// SelectTenantById 根据部门ID查询信息
+func (r *SysTenantImpl) SelectTenantById(tenantId string) model.SysTenant {
+	querySql := `select t.tenant_id, t.parent_id, t.ancestors,
+	t.tenant_name, t.order_num, t.type, t.key, t.status,
+	(select tenant_name from sys_tenant where tenant_id = t.parent_id) parent_name
+	from sys_tenant t where t.tenant_id = ?`
+	results, err := datasource.RawDB("", querySql, []any{tenantId})
+	if err != nil {
+		logger.Errorf("query err => %v", err)
+		return model.SysTenant{}
+	}
+	// 转换实体
+	rows := r.convertResultRows(results)
+	if len(rows) > 0 {
+		return rows[0]
+	}
+	return model.SysTenant{}
+}
+
+// SelectChildrenTenantById 根据ID查询所有子部门
+func (r *SysTenantImpl) SelectChildrenTenantById(tenantId string) []model.SysTenant {
+	querySql := r.selectSql + " where find_in_set(?, t.ancestors)"
+	results, err := datasource.RawDB("", querySql, []any{tenantId})
+	if err != nil {
+		logger.Errorf("query err => %v", err)
+		return []model.SysTenant{}
+	}
+
+	// 转换实体
+	return r.convertResultRows(results)
+}
+
+// HasChildByTenantId 是否存在子节点
+func (r *SysTenantImpl) HasChildByTenantId(tenantId string) int64 {
+	querySql := "select count(1) as 'total' from sys_tenant where status = '1' and parent_id = ? limit 1"
+	results, err := datasource.RawDB("", querySql, []any{tenantId})
+	if err != nil {
+		logger.Errorf("query err => %v", err)
+		return 0
+	}
+	if len(results) > 0 {
+		return parse.Number(results[0]["total"])
+	}
+	return 0
+}
+
+// CheckTenantExistUser 查询部门是否存在用户
+func (r *SysTenantImpl) CheckTenantExistUser(tenantId string) int64 {
+	querySql := "select count(1) as 'total' from sys_user where tenant_id = ? and del_flag = '0'"
+	results, err := datasource.RawDB("", querySql, []any{tenantId})
+	if err != nil {
+		logger.Errorf("query err => %v", err)
+		return 0
+	}
+	if len(results) > 0 {
+		return parse.Number(results[0]["total"])
+	}
+	return 0
+}
+
+// CheckUniqueTenant 校验部门是否唯一
+func (r *SysTenantImpl) CheckUniqueTenant(sysTenant model.SysTenant) string {
+	// 查询条件拼接
+	var conditions []string
+	var params []any
+	if sysTenant.TenantName != "" {
+		conditions = append(conditions, "tenant_name = ?")
+		params = append(params, sysTenant.TenantName)
+	}
+	if sysTenant.ParentID != "" {
+		conditions = append(conditions, "parent_id = ?")
+		params = append(params, sysTenant.ParentID)
+	}
+
+	// 构建查询条件语句
+	whereSql := ""
+	if len(conditions) > 0 {
+		whereSql += " where " + strings.Join(conditions, " and ")
+	}
+	if whereSql == "" {
+		return ""
+	}
+
+	// 查询数据
+	querySql := "select tenant_id as 'str' from sys_tenant " + whereSql + " and del_flag = '0' limit 1"
+	results, err := datasource.RawDB("", querySql, params)
+	if err != nil {
+		logger.Errorf("query err %v", err)
+		return ""
+	}
+	if len(results) > 0 {
+		return fmt.Sprint(results[0]["str"])
+	}
+	return ""
+}
+
+// InsertTenant 新增部门信息
+func (r *SysTenantImpl) InsertTenant(sysTenant model.SysTenant) string {
+	// 参数拼接
+	params := make(map[string]any)
+	if sysTenant.TenantID != "" {
+		params["tenant_id"] = sysTenant.TenantID
+	}
+	if sysTenant.ParentID != "" {
+		params["parent_id"] = sysTenant.ParentID
+	}
+	if sysTenant.TenantName != "" {
+		params["tenant_name"] = sysTenant.TenantName
+	}
+	if sysTenant.Ancestors != "" {
+		params["ancestors"] = sysTenant.Ancestors
+	}
+	if sysTenant.OrderNum > 0 {
+		params["order_num"] = sysTenant.OrderNum
+	}
+	if sysTenant.Type != "" {
+		params["type"] = sysTenant.Type
+	}
+	if sysTenant.Key != "" {
+		params["key"] = sysTenant.Key
+	}
+	if sysTenant.Status != "" {
+		params["status"] = sysTenant.Status
+	}
+	if sysTenant.CreateBy != "" {
+		params["create_by"] = sysTenant.CreateBy
+		params["create_time"] = time.Now().UnixMilli()
+	}
+
+	// 构建执行语句
+	keys, placeholder, values := repo.KeyPlaceholderValueByInsert(params)
+	sql := "insert into sys_tenant (" + strings.Join(keys, ",") + ")values(" + placeholder + ")"
+
+	db := datasource.DefaultDB()
+	// 开启事务
+	tx := db.Begin()
+	// 执行插入
+	err := tx.Exec(sql, values...).Error
+	if err != nil {
+		logger.Errorf("insert row : %v", err.Error())
+		tx.Rollback()
+		return ""
+	}
+	// 获取生成的自增 ID
+	var insertedID string
+	err = tx.Raw("select last_insert_id()").Row().Scan(&insertedID)
+	if err != nil {
+		logger.Errorf("insert last id : %v", err.Error())
+		tx.Rollback()
+		return ""
+	}
+	// 提交事务
+	tx.Commit()
+	return insertedID
+}
+
+// UpdateTenant 修改部门信息
+func (r *SysTenantImpl) UpdateTenant(sysTenant model.SysTenant) int64 {
+	// 参数拼接
+	params := make(map[string]any)
+	if sysTenant.ParentID != "" {
+		params["parent_id"] = sysTenant.ParentID
+	}
+	if sysTenant.TenantName != "" {
+		params["tenant_name"] = sysTenant.TenantName
+	}
+	if sysTenant.Ancestors != "" {
+		params["ancestors"] = sysTenant.Ancestors
+	}
+	if sysTenant.OrderNum > 0 {
+		params["order_num"] = sysTenant.OrderNum
+	}
+	if sysTenant.Type != "" {
+		params["type"] = sysTenant.Type
+	}
+	if sysTenant.Key != "" {
+		params["key"] = sysTenant.Key
+	}
+	if sysTenant.Status != "" {
+		params["status"] = sysTenant.Status
+	}
+	if sysTenant.UpdateBy != "" {
+		params["update_by"] = sysTenant.UpdateBy
+		params["update_time"] = time.Now().UnixMilli()
+	}
+
+	// 构建执行语句
+	keys, values := repo.KeyValueByUpdate(params)
+	sql := "update sys_tenant set " + strings.Join(keys, ",") + " where tenant_id = ?"
+
+	// 执行更新
+	values = append(values, sysTenant.TenantID)
+	rows, err := datasource.ExecDB("", sql, values)
+	if err != nil {
+		logger.Errorf("update row : %v", err.Error())
+		return 0
+	}
+	return rows
+}
+
+// UpdateTenantStatusNormal 修改所在部门正常状态
+func (r *SysTenantImpl) UpdateTenantStatusNormal(tenantIds []string) int64 {
+	placeholder := repo.KeyPlaceholderByQuery(len(tenantIds))
+	sql := "update sys_tenant set status = '1' where tenant_id in (" + placeholder + ")"
+	parameters := repo.ConvertIdsSlice(tenantIds)
+	results, err := datasource.ExecDB("", sql, parameters)
+	if err != nil {
+		logger.Errorf("update err => %v", err)
+		return 0
+	}
+	return results
+}
+
+// UpdateTenantChildren 修改子元素关系
+func (r *SysTenantImpl) UpdateTenantChildren(sysTenants []model.SysTenant) int64 {
+	// 无参数
+	if len(sysTenants) == 0 {
+		return 0
+	}
+
+	// 更新条件拼接
+	var conditions []string
+	var params []any
+	for _, tenant := range sysTenants {
+		caseSql := fmt.Sprintf("WHEN tenant_id = '%s' THEN '%s'", tenant.TenantID, tenant.Ancestors)
+		conditions = append(conditions, caseSql)
+		params = append(params, tenant.TenantID)
+	}
+
+	cases := strings.Join(conditions, " ")
+	placeholders := repo.KeyPlaceholderByQuery(len(params))
+	sql := "update sys_tenant set ancestors = CASE " + cases + " END where tenant_id in (" + placeholders + ")"
+	results, err := datasource.ExecDB("", sql, params)
+	if err != nil {
+		logger.Errorf("delete err => %v", err)
+		return 0
+	}
+	return results
+}
+
+// DeleteTenantById 删除部门管理信息
+func (r *SysTenantImpl) DeleteTenantById(tenantId string) int64 {
+	sql := "update sys_tenant set status = '0', del_flag = '1' where tenant_id = ?"
+	results, err := datasource.ExecDB("", sql, []any{tenantId})
+	if err != nil {
+		logger.Errorf("delete err => %v", err)
+		return 0
+	}
+	return results
+}
diff --git a/src/modules/system/service/sys_tenant.go b/src/modules/system/service/sys_tenant.go
new file mode 100644
index 00000000..5f501b13
--- /dev/null
+++ b/src/modules/system/service/sys_tenant.go
@@ -0,0 +1,39 @@
+package service
+
+import (
+	"be.ems/src/framework/vo"
+	"be.ems/src/modules/system/model"
+)
+
+// ISysTenant 租户管理 服务层接口
+type ISysTenant interface {
+	// SelectTenantList 查询租户管理数据
+	SelectTenantList(sysTenant model.SysTenant, dataScopeSQL string) []model.SysTenant
+
+	// SelectTenantListByRoleId 根据角色ID查询租户树信息
+	SelectTenantListByRoleId(roleId string) []string
+
+	// SelectTenantById 根据租户ID查询信息
+	SelectTenantById(tenantId string) model.SysTenant
+
+	// HasChildByTenantId 是否存在子节点
+	HasChildByTenantId(tenantId string) int64
+
+	// CheckTenantExistUser 查询租户是否存在用户
+	CheckTenantExistUser(tenantId string) int64
+
+	// CheckUniqueTenantName 校验同级租户名称是否唯一
+	CheckUniqueTenantName(tenantName, parentId, tenantId string) bool
+
+	// InsertTenant 新增租户信息
+	InsertTenant(sysTenant model.SysTenant) string
+
+	// UpdateTenant 修改租户信息
+	UpdateTenant(sysTenant model.SysTenant) int64
+
+	// DeleteTenantById 删除租户管理信息
+	DeleteTenantById(tenantId string) int64
+
+	// SelectTenantTreeSelect 查询租户树结构信息
+	SelectTenantTreeSelect(sysTenant model.SysTenant, dataScopeSQL string) []vo.TreeSelect
+}
diff --git a/src/modules/system/service/sys_tenant.impl.go b/src/modules/system/service/sys_tenant.impl.go
new file mode 100644
index 00000000..b79f7773
--- /dev/null
+++ b/src/modules/system/service/sys_tenant.impl.go
@@ -0,0 +1,202 @@
+package service
+
+import (
+	"strings"
+
+	"be.ems/src/framework/constants/common"
+	"be.ems/src/framework/vo"
+	"be.ems/src/modules/system/model"
+	"be.ems/src/modules/system/repository"
+)
+
+// 实例化服务层 SysTenantImpl 结构体
+var NewSysTenantImpl = &SysTenantImpl{
+	sysTenantRepository:     repository.NewSysTenantImpl,
+	sysRoleRepository:       repository.NewSysRoleImpl,
+	sysRoleTenantRepository: repository.NewSysRoleTenantImpl,
+}
+
+// SysTenantImpl 部门表 服务层处理
+type SysTenantImpl struct {
+	// 部门服务
+	sysTenantRepository repository.ISysTenant
+	// 角色服务
+	sysRoleRepository repository.ISysRole
+	// 角色与部门关联服务
+	sysRoleTenantRepository repository.ISysRoleTenant
+}
+
+// SelectTenantList 查询部门管理数据
+func (r *SysTenantImpl) SelectTenantList(sysTenant model.SysTenant, dataScopeSQL string) []model.SysTenant {
+	return r.sysTenantRepository.SelectTenantList(sysTenant, dataScopeSQL)
+}
+
+// SelectTenantListByRoleId 根据角色ID查询部门树信息 TODO
+func (r *SysTenantImpl) SelectTenantListByRoleId(roleId string) []string {
+	roles := r.sysRoleRepository.SelectRoleByIds([]string{roleId})
+	if len(roles) > 0 {
+		role := roles[0]
+		if role.RoleID == roleId {
+			return r.sysTenantRepository.SelectTenantListByRoleId(
+				role.RoleID,
+				role.TenantCheckStrictly == "1",
+			)
+		}
+	}
+	return []string{}
+}
+
+// SelectTenantById 根据部门ID查询信息
+func (r *SysTenantImpl) SelectTenantById(tenantId string) model.SysTenant {
+	return r.sysTenantRepository.SelectTenantById(tenantId)
+}
+
+// HasChildByTenantId 是否存在子节点
+func (r *SysTenantImpl) HasChildByTenantId(tenantId string) int64 {
+	return r.sysTenantRepository.HasChildByTenantId(tenantId)
+}
+
+// CheckTenantExistUser 查询部门是否存在用户
+func (r *SysTenantImpl) CheckTenantExistUser(tenantId string) int64 {
+	return r.sysTenantRepository.CheckTenantExistUser(tenantId)
+}
+
+// CheckUniqueTenantName 校验同级部门名称是否唯一
+func (r *SysTenantImpl) CheckUniqueTenantName(tenantName, parentId, tenantId string) bool {
+	uniqueId := r.sysTenantRepository.CheckUniqueTenant(model.SysTenant{
+		TenantName: tenantName,
+		ParentID:   parentId,
+	})
+	if uniqueId == tenantId {
+		return true
+	}
+	return uniqueId == ""
+}
+
+// InsertTenant 新增部门信息
+func (r *SysTenantImpl) InsertTenant(sysTenant model.SysTenant) string {
+	return r.sysTenantRepository.InsertTenant(sysTenant)
+}
+
+// UpdateTenant 修改部门信息
+func (r *SysTenantImpl) UpdateTenant(sysTenant model.SysTenant) int64 {
+	parentTenant := r.sysTenantRepository.SelectTenantById(sysTenant.ParentID)
+	tenant := r.sysTenantRepository.SelectTenantById(sysTenant.TenantID)
+	// 上级与当前部门祖级列表更新
+	if parentTenant.TenantID == sysTenant.ParentID && tenant.TenantID == sysTenant.TenantID {
+		newAncestors := parentTenant.Ancestors + "," + parentTenant.TenantID
+		oldAncestors := tenant.Ancestors
+		// 祖级列表不一致时更新
+		if newAncestors != oldAncestors {
+			sysTenant.Ancestors = newAncestors
+			r.updateTenantChildren(sysTenant.TenantID, newAncestors, oldAncestors)
+		}
+	}
+	// 如果该部门是启用状态，则启用该部门的所有上级部门
+	if sysTenant.Status == common.STATUS_YES && parentTenant.Status == common.STATUS_NO {
+		r.updateTenantStatusNormal(sysTenant.Ancestors)
+	}
+	return r.sysTenantRepository.UpdateTenant(sysTenant)
+}
+
+// updateTenantStatusNormal 修改所在部门正常状态
+func (r *SysTenantImpl) updateTenantStatusNormal(ancestors string) int64 {
+	if ancestors == "" || ancestors == "0" {
+		return 0
+	}
+	tenantIds := strings.Split(ancestors, ",")
+	return r.sysTenantRepository.UpdateTenantStatusNormal(tenantIds)
+}
+
+// updateTenantChildren 修改子元素关系
+func (r *SysTenantImpl) updateTenantChildren(tenantId, newAncestors, oldAncestors string) int64 {
+	childrens := r.sysTenantRepository.SelectChildrenTenantById(tenantId)
+	if len(childrens) == 0 {
+		return 0
+	}
+	// 替换父ID
+	for i := range childrens {
+		child := &childrens[i]
+		ancestors := strings.Replace(child.Ancestors, oldAncestors, newAncestors, -1)
+		child.Ancestors = ancestors
+	}
+	return r.sysTenantRepository.UpdateTenantChildren(childrens)
+}
+
+// DeleteTenantById 删除部门管理信息
+func (r *SysTenantImpl) DeleteTenantById(tenantId string) int64 {
+	// 删除角色与部门关联
+	r.sysRoleTenantRepository.DeleteTenantRole([]string{tenantId})
+	return r.sysTenantRepository.DeleteTenantById(tenantId)
+}
+
+// SelectTenantTreeSelect 查询部门树结构信息
+func (r *SysTenantImpl) SelectTenantTreeSelect(sysTenant model.SysTenant, dataScopeSQL string) []vo.TreeSelect {
+	sysTenants := r.sysTenantRepository.SelectTenantList(sysTenant, dataScopeSQL)
+	tenants := r.parseDataToTree(sysTenants)
+	tree := make([]vo.TreeSelect, 0)
+	for _, tenant := range tenants {
+		tree = append(tree, vo.SysTenantTreeSelect(tenant))
+	}
+	return tree
+}
+
+// parseDataToTree 将数据解析为树结构，构建前端所需要下拉树结构
+func (r *SysTenantImpl) parseDataToTree(sysTenants []model.SysTenant) []model.SysTenant {
+	// 节点分组
+	nodesMap := make(map[string][]model.SysTenant)
+	// 节点id
+	treeIds := []string{}
+	// 树节点
+	tree := []model.SysTenant{}
+
+	for _, item := range sysTenants {
+		parentID := item.ParentID
+		// 分组
+		mapItem, ok := nodesMap[parentID]
+		if !ok {
+			mapItem = []model.SysTenant{}
+		}
+		mapItem = append(mapItem, item)
+		nodesMap[parentID] = mapItem
+		// 记录节点ID
+		treeIds = append(treeIds, item.TenantID)
+	}
+
+	for key, value := range nodesMap {
+		// 选择不是节点ID的作为树节点
+		found := false
+		for _, id := range treeIds {
+			if id == key {
+				found = true
+				break
+			}
+		}
+		if !found {
+			tree = append(tree, value...)
+		}
+	}
+
+	for i, node := range tree {
+		iN := r.parseDataToTreeComponet(node, &nodesMap)
+		tree[i] = iN
+	}
+
+	return tree
+}
+
+// parseDataToTreeComponet 递归函数处理子节点
+func (r *SysTenantImpl) parseDataToTreeComponet(node model.SysTenant, nodesMap *map[string][]model.SysTenant) model.SysTenant {
+	id := node.TenantID
+	children, ok := (*nodesMap)[id]
+	if ok {
+		node.Children = children
+	}
+	if len(node.Children) > 0 {
+		for i, child := range node.Children {
+			icN := r.parseDataToTreeComponet(child, nodesMap)
+			node.Children[i] = icN
+		}
+	}
+	return node
+}
diff --git a/src/modules/system/system.go b/src/modules/system/system.go
index 407a94e0..7db0237a 100644
--- a/src/modules/system/system.go
+++ b/src/modules/system/system.go
@@ -103,6 +103,46 @@ func Setup(router *gin.Engine) {
 		)
 	}
 
+	// 租户管理信息
+	sysTenantGroup := router.Group("/system/tenant")
+	{
+		sysTenantGroup.GET("/list",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:list"}}),
+			controller.NewSysTenant.List,
+		)
+		sysTenantGroup.GET("/:tenantId",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:query"}}),
+			controller.NewSysTenant.Info,
+		)
+		sysTenantGroup.POST("",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:add"}}),
+			collectlogs.OperateLog(collectlogs.OptionNew("log.operate.title.sysTenant", collectlogs.BUSINESS_TYPE_INSERT)),
+			controller.NewSysTenant.Add,
+		)
+		sysTenantGroup.PUT("",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:edit"}}),
+			collectlogs.OperateLog(collectlogs.OptionNew("log.operate.title.sysTenant", collectlogs.BUSINESS_TYPE_UPDATE)),
+			controller.NewSysTenant.Edit,
+		)
+		sysTenantGroup.DELETE("/:tenantId",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:remove"}}),
+			collectlogs.OperateLog(collectlogs.OptionNew("log.operate.title.sysTenant", collectlogs.BUSINESS_TYPE_DELETE)),
+			controller.NewSysTenant.Remove,
+		)
+		sysTenantGroup.GET("/list/exclude/:tenantId",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:list"}}),
+			controller.NewSysTenant.ExcludeChild,
+		)
+		sysTenantGroup.GET("/treeSelect",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:list", "system:user:list"}}),
+			controller.NewSysTenant.TreeSelect,
+		)
+		sysTenantGroup.GET("/roleTenantTreeSelect/:roleId",
+			middleware.PreAuthorize(map[string][]string{"hasPerms": {"system:tenant:query", "system:user:edit"}}),
+			controller.NewSysTenant.RoleTenantTreeSelect,
+		)
+	}
+
 	// 字典数据信息
 	sysDictDataGroup := router.Group("/system/dict/data")
 	{