diff --git a/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/SysAppService.java b/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/SysAppService.java
index 80810a647..bf728351a 100644
--- a/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/SysAppService.java
+++ b/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/SysAppService.java
@@ -3,10 +3,12 @@ package cn.stylefeng.roses.kernel.sys.modular.app.service;
 import cn.stylefeng.roses.kernel.db.api.pojo.page.PageResult;
 import cn.stylefeng.roses.kernel.sys.modular.app.entity.SysApp;
 import cn.stylefeng.roses.kernel.sys.modular.app.pojo.request.SysAppRequest;
+import cn.stylefeng.roses.kernel.sys.modular.login.pojo.IndexUserAppInfo;
 import cn.stylefeng.roses.kernel.sys.modular.menu.pojo.response.AppGroupDetail;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 import java.util.List;
+import java.util.Set;
 
 /**
  * 系统应用 服务类
@@ -88,4 +90,14 @@ public interface SysAppService extends IService<SysApp> {
      */
     List<AppGroupDetail> getAppList();
 
+    /**
+     * 根据应用id获取应用的名称信息，并且按应用的排序字段进行排序
+     * <p>
+     * 一般用在用户登录后，获取首页应用信息
+     *
+     * @author fengshuonan
+     * @since 2023/6/19 22:30
+     */
+    List<IndexUserAppInfo> getIndexUserAppList(Set<Long> appIds);
+
 }
\ No newline at end of file
diff --git a/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/impl/SysAppServiceImpl.java b/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/impl/SysAppServiceImpl.java
index 4e845f6ce..f9bbc987d 100644
--- a/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/impl/SysAppServiceImpl.java
+++ b/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/app/service/impl/SysAppServiceImpl.java
@@ -14,6 +14,7 @@ import cn.stylefeng.roses.kernel.sys.modular.app.enums.SysAppExceptionEnum;
 import cn.stylefeng.roses.kernel.sys.modular.app.mapper.SysAppMapper;
 import cn.stylefeng.roses.kernel.sys.modular.app.pojo.request.SysAppRequest;
 import cn.stylefeng.roses.kernel.sys.modular.app.service.SysAppService;
+import cn.stylefeng.roses.kernel.sys.modular.login.pojo.IndexUserAppInfo;
 import cn.stylefeng.roses.kernel.sys.modular.menu.pojo.response.AppGroupDetail;
 import cn.stylefeng.roses.kernel.sys.modular.menu.service.SysMenuService;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -96,7 +97,8 @@ public class SysAppServiceImpl extends ServiceImpl<SysAppMapper, SysApp> impleme
         LambdaQueryWrapper<SysApp> wrapper = createWrapper(sysAppRequest);
 
         // 只查询有用的列
-        wrapper.select(SysApp::getAppId, SysApp::getAppName, SysApp::getAppCode, SysApp::getAppIcon, SysApp::getStatusFlag, SysApp::getAppSort, BaseEntity::getCreateTime);
+        wrapper.select(SysApp::getAppId, SysApp::getAppName, SysApp::getAppCode, SysApp::getAppIcon, SysApp::getStatusFlag,
+                SysApp::getAppSort, BaseEntity::getCreateTime);
 
         Page<SysApp> sysAppPage = this.page(PageFactory.defaultPage(), wrapper);
         return PageResultFactory.createPageResult(sysAppPage);
@@ -118,13 +120,41 @@ public class SysAppServiceImpl extends ServiceImpl<SysAppMapper, SysApp> impleme
         // 结果转化为指定格式
         ArrayList<AppGroupDetail> appGroupDetails = new ArrayList<>();
         for (SysApp sysApp : appList) {
-            AppGroupDetail appGroupDetail = new AppGroupDetail(sysApp.getAppId(), sysApp.getAppName(), sysApp.getAppIcon(), sysApp.getRemark());
+            AppGroupDetail appGroupDetail = new AppGroupDetail(sysApp.getAppId(), sysApp.getAppName(), sysApp.getAppIcon(),
+                    sysApp.getRemark());
             appGroupDetails.add(appGroupDetail);
         }
 
         return appGroupDetails;
     }
 
+    @Override
+    public List<IndexUserAppInfo> getIndexUserAppList(Set<Long> appIds) {
+
+        if (ObjectUtil.isEmpty(appIds)) {
+            return new ArrayList<>();
+        }
+
+        LambdaQueryWrapper<SysApp> sysAppLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        sysAppLambdaQueryWrapper.in(SysApp::getAppId, appIds);
+        sysAppLambdaQueryWrapper.select(SysApp::getAppId, SysApp::getAppName);
+        sysAppLambdaQueryWrapper.orderByAsc(SysApp::getAppSort);
+
+        List<SysApp> sysAppList = this.list(sysAppLambdaQueryWrapper);
+
+        // 获取应用详情
+        ArrayList<IndexUserAppInfo> indexUserAppInfos = new ArrayList<>();
+        for (SysApp sysApp : sysAppList) {
+            IndexUserAppInfo indexUserAppInfo = new IndexUserAppInfo();
+            indexUserAppInfo.setAppId(sysApp.getAppId());
+            indexUserAppInfo.setAppName(sysApp.getAppName());
+            indexUserAppInfo.setCurrentSelectFlag(false);
+            indexUserAppInfos.add(indexUserAppInfo);
+        }
+
+        return indexUserAppInfos;
+    }
+
     @Override
     public List<SysApp> findList(SysAppRequest sysAppRequest) {
         LambdaQueryWrapper<SysApp> wrapper = this.createWrapper(sysAppRequest);
diff --git a/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/login/service/UserIndexInfoService.java b/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/login/service/UserIndexInfoService.java
index 277f32626..c373836e6 100644
--- a/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/login/service/UserIndexInfoService.java
+++ b/kernel-s-sys/sys-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/login/service/UserIndexInfoService.java
@@ -9,6 +9,8 @@ import cn.stylefeng.roses.kernel.sys.api.SysUserRoleServiceApi;
 import cn.stylefeng.roses.kernel.sys.api.SysUserServiceApi;
 import cn.stylefeng.roses.kernel.sys.api.pojo.user.SimpleUserDTO;
 import cn.stylefeng.roses.kernel.sys.api.pojo.user.UserOrgDTO;
+import cn.stylefeng.roses.kernel.sys.modular.app.service.SysAppService;
+import cn.stylefeng.roses.kernel.sys.modular.login.pojo.IndexUserAppInfo;
 import cn.stylefeng.roses.kernel.sys.modular.login.pojo.IndexUserOrgInfo;
 import cn.stylefeng.roses.kernel.sys.modular.login.pojo.UserIndexInfo;
 import cn.stylefeng.roses.kernel.sys.modular.menu.entity.SysMenu;
@@ -55,6 +57,9 @@ public class UserIndexInfoService {
     @Resource
     private SysMenuOptionsService sysMenuOptionsService;
 
+    @Resource
+    private SysAppService sysAppService;
+
     /**
      * 获取用户首页信息
      *
@@ -76,9 +81,11 @@ public class UserIndexInfoService {
         this.fillUserOrgInfo(loginUser, userIndexInfo);
 
         // 3. 获取用户的权限编码集合
-        this.fillUserPermissionCodeList(loginUser, userIndexInfo);
+        ArrayList<SysMenu> userMenuList = new ArrayList<>();
+        this.fillUserPermissionCodeList(loginUser, userIndexInfo, userMenuList);
 
-        // 4. 获取用户的当前登录App和菜单
+        // 4. 获取用户的当前登录App
+        this.fillUserAppList(loginUser, userIndexInfo, userMenuList);
 
 
         // 5. 获取菜单和路由的appId映射关系
@@ -154,6 +161,10 @@ public class UserIndexInfoService {
         if (currentOrgId == null) {
             for (IndexUserOrgInfo indexUserOrgInfo : resultUserOrg) {
                 indexUserOrgInfo.setCurrentSelectFlag(indexUserOrgInfo.getMainFlag());
+
+                if (indexUserOrgInfo.getMainFlag()) {
+                    // todo 更新当前用户的缓存 updateSession
+                }
             }
         }
         // 如果有激活的组织机构
@@ -173,7 +184,7 @@ public class UserIndexInfoService {
      * @author fengshuonan
      * @since 2023/6/19 12:38
      */
-    private void fillUserPermissionCodeList(LoginUser loginUser, UserIndexInfo userIndexInfo) {
+    private void fillUserPermissionCodeList(LoginUser loginUser, UserIndexInfo userIndexInfo, List<SysMenu> userMenuList) {
 
         Long userId = loginUser.getUserId();
 
@@ -192,8 +203,8 @@ public class UserIndexInfoService {
         HashSet<String> permissionCodeList = new HashSet<>();
 
         // 获取菜单对应的菜单编码集合
-        List<SysMenu> menuInfoList = sysMenuService.getIndexMenuInfoList(menuIdList);
-        Set<String> menuCodeList = menuInfoList.stream().map(SysMenu::getMenuCode).collect(Collectors.toSet());
+        userMenuList = sysMenuService.getIndexMenuInfoList(menuIdList);
+        Set<String> menuCodeList = userMenuList.stream().map(SysMenu::getMenuCode).collect(Collectors.toSet());
         permissionCodeList.addAll(menuCodeList);
 
         // 获取功能对应的功能编码集合
@@ -203,4 +214,37 @@ public class UserIndexInfoService {
         userIndexInfo.setPermissionCodeList(permissionCodeList);
     }
 
+    /**
+     * 填充当前用户的应用列表和菜单信息
+     *
+     * @author fengshuonan
+     * @since 2023/6/19 22:25
+     */
+    private void fillUserAppList(LoginUser loginUser, UserIndexInfo userIndexInfo, List<SysMenu> userMenuList) {
+
+        if (ObjectUtil.isEmpty(userMenuList)) {
+            return;
+        }
+
+        // 先统计用户有多少个应用
+        Set<Long> userAppIds = userMenuList.stream().map(SysMenu::getAppId).collect(Collectors.toSet());
+
+        // 查询这些应用的应用名称，并且按应用的顺序进行排序
+        List<IndexUserAppInfo> indexUserAppList = sysAppService.getIndexUserAppList(userAppIds);
+
+        // 判断当前用户是否有绑定的应用id
+        // 如果没绑定的，则默认选中第一个
+        if (ObjectUtil.isEmpty(loginUser.getCurrentAppId())) {
+            indexUserAppList.get(0).setCurrentSelectFlag(true);
+        } else {
+            for (IndexUserAppInfo indexUserAppInfo : indexUserAppList) {
+                if (indexUserAppInfo.getAppId().equals(loginUser.getCurrentAppId())) {
+                    indexUserAppInfo.setCurrentSelectFlag(true);
+                }
+            }
+        }
+
+        userIndexInfo.setUserAppInfoList(indexUserAppList);
+    }
+
 }