diff --git a/src/api/codegen.ts b/src/api/codegen.ts
index 8115b7fb..af2c1a57 100644
--- a/src/api/codegen.ts
+++ b/src/api/codegen.ts
@@ -31,11 +31,18 @@ const GeneratorAPI = {
   },
 
   /** 获取代码生成预览数据 */
-  getPreviewData(tableName: string, pageType?: "classic" | "curd") {
+  getPreviewData(tableName: string, pageType?: "classic" | "curd", type?: "ts" | "js") {
+    const params: Record<string, string> = {};
+    if (pageType) {
+      params.pageType = pageType;
+    }
+    if (type) {
+      params.type = type;
+    }
     return request<any, GeneratorPreviewItem[]>({
       url: `${GENERATOR_BASE_URL}/${tableName}/preview`,
       method: "get",
-      params: pageType ? { pageType } : undefined,
+      params: Object.keys(params).length ? params : undefined,
     });
   },
 
@@ -52,11 +59,18 @@ const GeneratorAPI = {
    * @param url
    * @param fileName
    */
-  download(tableName: string, pageType?: "classic" | "curd") {
+  download(tableName: string, pageType?: "classic" | "curd", type?: "ts" | "js") {
+    const params: Record<string, string> = {};
+    if (pageType) {
+      params.pageType = pageType;
+    }
+    if (type) {
+      params.type = type;
+    }
     return request({
       url: `${GENERATOR_BASE_URL}/${tableName}/download`,
       method: "get",
-      params: pageType ? { pageType } : undefined,
+      params: Object.keys(params).length ? params : undefined,
       responseType: "blob",
     }).then((response) => {
       const contentDisposition = response?.headers?.["content-disposition"] as string | undefined;
diff --git a/src/components/DictSelect/index.vue b/src/components/DictSelect/index.vue
index 7349fb75..e5ddce09 100644
--- a/src/components/DictSelect/index.vue
+++ b/src/components/DictSelect/index.vue
@@ -1,4 +1,4 @@
-<template>
+<template>
   <el-select
     v-if="type === 'select'"
     v-model="selectedValue"
@@ -90,7 +90,7 @@ const selectedValue = ref<any>(
       : undefined
 );
 
-// 监听 modelValue �?options 的变�?
+// 监听 modelValue 和 options 的变化
 watch(
   [() => props.modelValue, () => options.value],
   ([newValue, newOptions]) => {
diff --git a/src/components/DictTag/index.vue b/src/components/DictTag/index.vue
index f970d07a..b425b9a6 100644
--- a/src/components/DictTag/index.vue
+++ b/src/components/DictTag/index.vue
@@ -1,4 +1,4 @@
-<template>
+<template>
   <template v-if="tagType">
     <el-tag :type="tagType" :size="tagSize">{{ label }}</el-tag>
   </template>
@@ -12,7 +12,7 @@ import { useDictStore } from "@/store";
 
 const props = defineProps({
   code: String, // 字典编码
-  modelValue: [String, Number], // 字典项的�?
+  modelValue: [String, Number], // 字典项的值
   size: {
     type: String,
     default: "default", // 标签大小
@@ -26,10 +26,10 @@ const tagSize = ref<"default" | "large" | "small">(props.size as "default" | "la
 const dictStore = useDictStore();
 
 /**
- * 根据字典项的值获取对应的 label �?tagType
+ * 根据字典项的值获取对应的 label 和 tagType
  * @param dictCode 字典编码
- * @param value 字典项的�?
- * @returns 包含 label �?tagType 的对�?
+ * @param value 字典项的值
+ * @returns 包含 label 和 tagType 的对象
  */
 const getLabelAndTagByValue = async (dictCode: string, value: any) => {
   // 按需加载字典数据
@@ -45,7 +45,7 @@ const getLabelAndTagByValue = async (dictCode: string, value: any) => {
 };
 
 /**
- * 更新 label �?tagType
+ * 更新 label 和 tagType
  */
 const updateLabelAndTag = async () => {
   if (!props.code || props.modelValue === undefined) return;
diff --git a/src/layouts/components/LayoutNavbar.vue b/src/layouts/components/LayoutNavbar.vue
index f44636db..9558cb4f 100644
--- a/src/layouts/components/LayoutNavbar.vue
+++ b/src/layouts/components/LayoutNavbar.vue
@@ -3,10 +3,10 @@
     <div class="flex-y-center">
       <!-- 菜单折叠按钮 -->
       <Hamburger :is-active="isSidebarOpened" @toggle-click="toggleSideBar" />
-      <!-- 面包屑导�?-->
+      <!-- 面包屑导行栏-->
       <Breadcrumb />
     </div>
-    <!-- 导航栏操作区�?-->
+    <!-- 导航栏操作区域-->
     <div class="navbar__actions">
       <LayoutToolbar />
     </div>
diff --git a/src/layouts/components/LayoutSidebar.vue b/src/layouts/components/LayoutSidebar.vue
index ae3736b2..4f578b07 100644
--- a/src/layouts/components/LayoutSidebar.vue
+++ b/src/layouts/components/LayoutSidebar.vue
@@ -14,7 +14,7 @@
     @open="onMenuOpen"
     @close="onMenuClose"
   >
-    <!-- 菜单�?-->
+    <!-- 菜单项 -->
     <LayoutSidebarItem
       v-for="route in data"
       :key="route.path"
@@ -63,10 +63,10 @@ const expandedMenuIndexes = ref<string[]>([]);
 // 获取主题
 const theme = computed(() => settingsStore.theme);
 
-// 获取浅色主题下的侧边栏配色方�?
+// 获取浅色主题下的侧边栏配色方案
 const sidebarColorScheme = computed(() => settingsStore.sidebarColorScheme);
 
-// 菜单主题属�?
+// 菜单主题属性
 const menuThemeProps = computed(() => {
   const isDarkOrClassicBlue =
     theme.value === "dark" || sidebarColorScheme.value === SidebarColor.CLASSIC_BLUE;
@@ -78,11 +78,11 @@ const menuThemeProps = computed(() => {
   };
 });
 
-// 计算当前激活的菜单�?
+// 计算当前激活的菜单项
 const activeMenuPath = computed((): string => {
   const { meta, path } = currentRoute;
 
-  // 如果路由meta中设置了activeMenu，则使用它（用于处理一些特殊情况，如详情页�?
+  // 如果路由 meta 中设置了 activeMenu，则使用它（用于处理一些特殊情况，如详情页等）
   if (meta?.activeMenu && typeof meta.activeMenu === "string") {
     return meta.activeMenu;
   }
@@ -94,8 +94,8 @@ const activeMenuPath = computed((): string => {
 /**
  * 获取完整路径
  *
- * @param routePath 当前路由的相对路�? /user
- * @returns 完整的绝对路�?D://vue3-element-admin/system/user
+ * @param routePath 当前路由的相对路径 /user
+ * @returns 完整的绝对路径 D://vue3-element-admin/system/user
  */
 function resolveFullPath(routePath: string) {
   if (isExternal(routePath)) {
@@ -143,8 +143,8 @@ watch(
 );
 
 /**
- * 监听菜单模式变化：当菜单模式切换为水平模式时，关闭所有展开的菜单项�?
- * 避免在水平模式下菜单项显示错位�?
+ * 监听菜单模式变化：当菜单模式切换为水平模式时，关闭所有展开的菜单项
+ * 避免在水平模式下菜单项显示错位
  */
 watch(
   () => props.menuMode,
@@ -156,7 +156,7 @@ watch(
 );
 
 /**
- * 监听激活菜单变化，为包含激活子菜单的父菜单添加样式�?
+ * 监听激活菜单变化，为包含激活子菜单的父菜单添加样式
  */
 watch(
   () => activeMenuPath.value,
@@ -169,7 +169,7 @@ watch(
 );
 
 /**
- * 监听路由变化，确保菜单能随TagsView切换而正确激�?
+ * 监听路由变化，确保菜单能随 TagsView 切换而正确激活
  */
 watch(
   () => currentRoute.path,
@@ -181,7 +181,7 @@ watch(
 );
 
 /**
- * 更新父菜单样�?- 为包含激活子菜单的父菜单添加 has-active-child �?
+ * 更新父菜单样式 - 为包含激活子菜单的父菜单添加 has-active-child 类
  */
 function updateParentMenuStyles() {
   if (!menuRef.value?.$el) return;
@@ -191,13 +191,13 @@ function updateParentMenuStyles() {
       const menuEl = menuRef.value?.$el as HTMLElement;
       if (!menuEl) return;
 
-      // 移除所有现有的 has-active-child �?
+      // 移除所有现有的 has-active-child 类
       const allSubMenus = menuEl.querySelectorAll(".el-sub-menu");
       allSubMenus.forEach((subMenu) => {
         subMenu.classList.remove("has-active-child");
       });
 
-      // 查找当前激活的菜单�?
+      // 查找当前激活的菜单项
       const activeMenuItem = menuEl.querySelector(".el-menu-item.is-active");
 
       if (activeMenuItem) {
@@ -210,12 +210,12 @@ function updateParentMenuStyles() {
           parent = parent.parentElement;
         }
       } else {
-        // 水平模式下可能需要特殊处�?
+        // 水平模式下可能需要特殊处理
         if (props.menuMode === "horizontal") {
-          // 对于水平菜单，使用路径匹配来找到父菜�?
+          // 对于水平菜单，使用路径匹配来找到父菜单
           const currentPath = activeMenuPath.value;
 
-          // 查找所有父菜单项，检查哪个包含当前路�?
+          // 查找所有父菜单项，检查哪个包含当前路径
           allSubMenus.forEach((subMenu) => {
             const subMenuEl = subMenu as HTMLElement;
             const subMenuPath =
@@ -239,7 +239,7 @@ function updateParentMenuStyles() {
  * 组件挂载后立即更新父菜单样式
  */
 onMounted(() => {
-  // 确保在组件挂载后更新样式，不依赖于异步操�?
+  // 确保在组件挂载后更新样式，不依赖于异步操作
   updateParentMenuStyles();
 });
 </script>
diff --git a/src/layouts/components/LayoutToolbar.vue b/src/layouts/components/LayoutToolbar.vue
index 5c6819a2..1dea0ff7 100644
--- a/src/layouts/components/LayoutToolbar.vue
+++ b/src/layouts/components/LayoutToolbar.vue
@@ -94,18 +94,18 @@ const router = useRouter();
 // 是否为桌面设备
 const isDesktop = computed(() => appStore.device === DeviceEnum.DESKTOP);
 
-// 是否显示租户选择（如果用户有多个租户，则显示租户选择器）
-// 最小侵入：只有在多租户模式下（租户列表长度 > 1）才显示
+const isPlatformUser = computed(() => {
+  return (userStore.userInfo?.tenantScope || "").toUpperCase() === "PLATFORM";
+});
+
+// 是否显示租户选择（仅平台用户可显式切换租户）
 const showTenantSelect = computed(() => {
-  // 如果租户列表为空，不显示
-  if (tenantStore.tenantList.length === 0) {
+  if (!isPlatformUser.value) {
     return false;
   }
-  // 如果只有一个租户，也不显示（单租户模式，用户无感知）
-  if (tenantStore.tenantList.length === 1) {
+  if (tenantStore.tenantList.length <= 1) {
     return false;
   }
-  // 多个租户时才显示
   return true;
 });
 
diff --git a/src/types/api/user.ts b/src/types/api/user.ts
index 966f9f00..c26ae906 100644
--- a/src/types/api/user.ts
+++ b/src/types/api/user.ts
@@ -14,6 +14,8 @@ export interface UserInfo {
   nickname?: string;
   /** 头像URL */
   avatar?: string;
+  /** 租户身份标识(PLATFORM/TENANT) */
+  tenantScope?: string;
   /** 角色集合 */
   roles: string[];
   /** 权限集合 */
diff --git a/src/views/codegen/index.vue b/src/views/codegen/index.vue
index bd09b194..5cf47b8c 100644
--- a/src/views/codegen/index.vue
+++ b/src/views/codegen/index.vue
@@ -540,6 +540,7 @@ const treeData = ref<TreeNode[]>([]);
 const previewScope = ref<"all" | "frontend" | "backend">("all");
 const previewTypeOptions = ["ts", "vue", "java", "xml"];
 const previewTypes = ref<string[]>([...previewTypeOptions]);
+const frontendType = "ts";
 
 const filteredTreeData = computed<TreeNode[]>(() => {
   if (!treeData.value.length) return [];
@@ -808,7 +809,11 @@ function handleNextClick() {
         return;
       }
       if (outputMode.value === "zip" || !supportsFSAccess) {
-        GeneratorAPI.download(tableName, (genConfigFormData.value.pageType as any) || "classic");
+        GeneratorAPI.download(
+          tableName,
+          (genConfigFormData.value.pageType as any) || "classic",
+          frontendType
+        );
       }
     }
   }
@@ -904,7 +909,8 @@ async function handlePreview(tableName: string) {
   try {
     const data = await GeneratorAPI.getPreviewData(
       tableName,
-      (genConfigFormData.value.pageType as any) || "classic"
+      (genConfigFormData.value.pageType as any) || "classic",
+      frontendType
     );
     dialog.title = `代码生成 ${tableName}`;
     const tree = buildTree(data);
diff --git a/src/views/login/components/Login.vue b/src/views/login/components/Login.vue
index 6a602a3b..44c5f817 100644
--- a/src/views/login/components/Login.vue
+++ b/src/views/login/components/Login.vue
@@ -91,30 +91,6 @@
       </el-link>
     </div>
 
-    <!-- 租户选择对话框 -->
-    <el-dialog
-      v-model="tenantDialogVisible"
-      title="选择登录租户"
-      :width="isSmallScreen ? '92vw' : '500px'"
-      :fullscreen="isSmallScreen"
-      append-to-body
-      :teleported="true"
-      :close-on-click-modal="false"
-      :close-on-press-escape="false"
-      :show-close="false"
-    >
-      <div class="tenant-select-content" :style="tenantDialogBodyStyle">
-        <p class="tenant-select-tip">检测到你的账号属于多个租户，请选择登录租户：</p>
-        <TenantSwitcher @change="handleTenantSwitcherChange" />
-      </div>
-      <template #footer>
-        <el-button @click="tenantDialogVisible = false">取消</el-button>
-        <el-button type="primary" :disabled="!selectedTenantId" @click="handleTenantSelected">
-          继续
-        </el-button>
-      </template>
-    </el-dialog>
-
     <!-- 第三方登录 -->
     <div class="third-party-login">
       <div class="divider-container">
@@ -145,14 +121,10 @@ import AuthAPI from "@/api/auth";
 import type { LoginRequest } from "@/types/api";
 import router from "@/router";
 import { useUserStore } from "@/store";
-import { useTenantStoreHook } from "@/store/modules/tenant";
-import TenantSwitcher from "@/components/TenantSwitcher/index.vue";
 import { AuthStorage } from "@/utils/auth";
-import { ApiCodeEnum } from "@/enums";
 
 const { t } = useI18n();
 const userStore = useUserStore();
-const tenantStore = useTenantStoreHook();
 const route = useRoute();
 
 onMounted(() => getCaptcha());
@@ -161,35 +133,10 @@ const loginFormRef = ref<FormInstance>();
 const loading = ref(false);
 // 是否大写锁定
 const isCapsLock = ref(false);
-const isSmallScreen = useMediaQuery("(max-width: 768px)");
 // 验证码图片 Base64
 const captchaBase64 = ref();
 // 记住我
 const rememberMe = AuthStorage.getRememberMe();
-// 租户选择对话框
-const tenantDialogVisible = ref(false);
-const selectedTenantId = ref<number | null>(null);
-
-function handleTenantSwitcherChange(id: number) {
-  selectedTenantId.value = id;
-  tenantStore.currentTenantId = id;
-  const matched = tenantStore.tenantList?.find((t) => t.id === id) || null;
-  tenantStore.currentTenant = matched;
-}
-
-const tenantDialogBodyStyle = computed(() => {
-  if (isSmallScreen.value) {
-    return {
-      maxHeight: "calc(100vh - 160px)",
-      overflow: "auto",
-    };
-  }
-  return {
-    maxHeight: "60vh",
-    overflow: "auto",
-  };
-});
-
 const loginFormData = ref<LoginRequest>({
   username: "admin",
   password: "123456",
@@ -258,25 +205,8 @@ async function handleLoginSubmit() {
       // 登录成功，跳转到目标页面
       const redirectPath = (route.query.redirect as string) || "/";
       await router.push(decodeURIComponent(redirectPath));
-    } catch (error: any) {
-      // 检查是否是 choose_tenant 响应
-      if (
-        error?.code === ApiCodeEnum.CHOOSE_TENANT &&
-        Array.isArray(error?.data) &&
-        error.data.length > 0
-      ) {
-        // 需要选择租户
-        tenantStore.setTenantList(error.data);
-        selectedTenantId.value = error.data[0]?.id || null;
-        if (selectedTenantId.value) {
-          tenantStore.currentTenantId = selectedTenantId.value;
-          tenantStore.currentTenant =
-            error.data.find((t: any) => t.id === selectedTenantId.value) || null;
-        }
-        tenantDialogVisible.value = true;
-        return; // 等待用户选择租户
-      }
-      // 其他错误，刷新验证码
+    } catch (error) {
+      // 登录失败，刷新验证码
       getCaptcha();
       throw error;
     }
@@ -288,36 +218,6 @@ async function handleLoginSubmit() {
   }
 }
 
-/**
- * 租户选择确认后的处理
- */
-async function handleTenantSelected() {
-  if (!selectedTenantId.value) {
-    ElMessage.warning("请选择租户");
-    return;
-  }
-
-  try {
-    loading.value = true;
-    // 使用选中的租户ID重新登录
-    const loginData = {
-      ...loginFormData.value,
-      tenantId: selectedTenantId.value,
-    };
-    await userStore.login(loginData);
-    // 登录成功，关闭对话框并跳转
-    tenantDialogVisible.value = false;
-    const redirectPath = (route.query.redirect as string) || "/";
-    await router.push(decodeURIComponent(redirectPath));
-  } catch (error) {
-    // 登录失败，刷新验证码
-    getCaptcha();
-    console.error("登录失败:", error);
-  } finally {
-    loading.value = false;
-  }
-}
-
 // 检查输入大小写
 function checkCapsLock(event: KeyboardEvent) {
   // 防止浏览器密码自动填充时报错
@@ -389,14 +289,4 @@ function toOtherForm(type: "register" | "resetPwd") {
     }
   }
 }
-
-.tenant-select-content {
-  padding: 20px 0;
-
-  .tenant-select-tip {
-    margin: 0 0 20px;
-    font-size: 14px;
-    color: var(--el-text-color-regular);
-  }
-}
 </style>