diff --git a/.env.development b/.env.development
index 399bf06..ccc0503 100644
--- a/.env.development
+++ b/.env.development
@@ -1,5 +1,5 @@
 # 页面标题
-VITE_APP_TITLE = 星汉研创科技
+VITE_APP_TITLE = 云平台管理系统
 
 # 开发环境配置
 VITE_APP_ENV = 'development'
diff --git a/.env.production b/.env.production
index 8ef038f..cb8d349 100644
--- a/.env.production
+++ b/.env.production
@@ -1,5 +1,5 @@
 # 页面标题
-VITE_APP_TITLE = 星汉研创科技
+VITE_APP_TITLE = 云平台管理系统
 
 # 生产环境配置 晶全1
 VITE_APP_ENV = 'https://fuyuanshen.com/backend'
diff --git a/src/App.vue b/src/App.vue
index 617a10e..8edf94e 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -8,8 +8,10 @@
 import { useSettingsStore } from '@/store/modules/settings';
 import { handleThemeStyle } from '@/utils/theme';
 import { useAppStore } from '@/store/modules/app';
+import { useUserStore } from '@/store/modules/user';
 
 const appStore = useAppStore();
+const userStore = useUserStore();
 
 onMounted(() => {
   nextTick(() => {
@@ -17,4 +19,19 @@ onMounted(() => {
     handleThemeStyle(useSettingsStore().theme);
   });
 });
+
+// 监听租户名称变化，动态更新页面标题
+watch(
+  () => userStore.tenantName,
+  (value) => {
+    if (value) {
+      document.title = userStore.tenantName;
+    } else {
+      document.title = import.meta.env.VITE_APP_TITLE;
+    }
+  },
+  {
+    immediate: true,
+  }
+);
 </script>
diff --git a/src/api/types.ts b/src/api/types.ts
index 617286c..39695a5 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -16,6 +16,7 @@ export type RegisterForm = {
  */
 export interface LoginData {
   tenantId?: string;
+  tenantName?: string;
   username?: string;
   password?: string;
   rememberMe?: boolean;
diff --git a/src/assets/styles/variables.module.scss b/src/assets/styles/variables.module.scss
index a7959e1..b06082e 100644
--- a/src/assets/styles/variables.module.scss
+++ b/src/assets/styles/variables.module.scss
@@ -130,7 +130,7 @@ $--color-warning: #e6a23c;
 $--color-danger: #f56c6c;
 $--color-info: #909399;
 
-$base-sidebar-width: 200px;
+$base-sidebar-width: 280px;
 
 // the :export directive is the magic sauce for webpack
 // https://www.bluematador.com/blog/how-to-share-variables-between-js-and-sass
diff --git a/src/layout/components/Sidebar/Logo.vue b/src/layout/components/Sidebar/Logo.vue
index cbc5048..4a4d2d7 100644
--- a/src/layout/components/Sidebar/Logo.vue
+++ b/src/layout/components/Sidebar/Logo.vue
@@ -5,14 +5,7 @@
     :style="{ backgroundColor: sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground }"
   >
     <transition :enter-active-class="proxy?.animate.logoAnimate.enter" mode="out-in">
-      <router-link v-if="collapse" key="collapse" class="sidebar-logo-link" to="/">
-        <img v-if="logo" :src="logo" class="sidebar-logo" />
-        <h1 v-else class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.logoTitleColor : variables.logoLightTitleColor }">
-          {{ title }}
-        </h1>
-      </router-link>
-      <router-link v-else key="expand" class="sidebar-logo-link" to="/">
-        <img v-if="logo" :src="logo" class="sidebar-logo" />
+      <router-link class="sidebar-logo-link" to="/">
         <h1 class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.logoTitleColor : variables.logoLightTitleColor }">
           {{ title }}
         </h1>
@@ -23,8 +16,8 @@
 
 <script setup lang="ts">
 import variables from '@/assets/styles/variables.module.scss';
-import logo from '@/assets/logo/logo.png';
 import { useSettingsStore } from '@/store/modules/settings';
+import { useUserStore } from '@/store/modules/user';
 const { proxy } = getCurrentInstance() as ComponentInternalInstance;
 
 defineProps({
@@ -34,8 +27,14 @@ defineProps({
   }
 });
 
-const title = ref('星汉研创科技');
+const userStore = useUserStore();
 const settingsStore = useSettingsStore();
+
+// 使用计算属性动态获取标题
+const title = computed(() => {
+  return userStore.tenantName || import.meta.env.VITE_APP_TITLE || '云平台管理系统';
+});
+
 const sideTheme = computed(() => settingsStore.sideTheme);
 </script>
 
@@ -62,33 +61,25 @@ const sideTheme = computed(() => settingsStore.sideTheme);
     height: 100%;
     width: 100%;
 
-    & .sidebar-logo {
-      width: 32px;
-      height: 32px;
-      vertical-align: middle;
-      margin-right: 12px;
-    }
-
     & .sidebar-title {
-      display: inline-block;
+      display: block;
       margin: 0;
+      padding: 0 15px; // 增加左右内边距
       color: #fff;
       font-weight: 600;
       line-height: 50px;
-      font-size: 16px; // 匹配设计UI的字体大小
+      font-size: 16px; // 恢复正常字体大小
       font-family:
         Avenir,
         Helvetica Neue,
         Arial,
         Helvetica,
         sans-serif;
-      vertical-align: middle;
-    }
-  }
-
-  &.collapse {
-    .sidebar-logo {
-      margin-right: 0px;
+      width: 100%; // 使用全宽
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      text-align: center; // 居中显示
     }
   }
 }
diff --git a/src/store/modules/user.ts b/src/store/modules/user.ts
index b714d03..2540cb0 100644
--- a/src/store/modules/user.ts
+++ b/src/store/modules/user.ts
@@ -12,6 +12,8 @@ export const useUserStore = defineStore('user', () => {
   const nickname = ref('');
   const userId = ref<string | number>('');
   const tenantId = ref<string>('');
+  // 从 localStorage 恢复租户名称
+  const tenantName = ref<string>(localStorage.getItem('currentTenantName') || '');
   const avatar = ref('');
   const roles = ref<Array<string>>([]); // 用户角色编码集合 → 判断路由权限
   const permissions = ref<Array<string>>([]); // 用户权限编码集合 → 判断按钮权限
@@ -27,6 +29,10 @@ export const useUserStore = defineStore('user', () => {
       const data = res.data;
       setToken(data.access_token);
       token.value = data.access_token;
+      // 设置租户名称
+      if (userInfo.tenantName) {
+        tenantName.value = userInfo.tenantName;
+      }
       return Promise.resolve();
     }
     return Promise.reject(err);
@@ -61,9 +67,12 @@ export const useUserStore = defineStore('user', () => {
   const logout = async (): Promise<void> => {
     await logoutApi();
     token.value = '';
+    tenantName.value = '';
     roles.value = [];
     permissions.value = [];
     removeToken();
+    // 清除保存的租户名称
+    localStorage.removeItem('currentTenantName');
   };
 
   const setAvatar = (value: string) => {
@@ -73,6 +82,7 @@ export const useUserStore = defineStore('user', () => {
   return {
     userId,
     tenantId,
+    tenantName,
     token,
     nickname,
     avatar,
diff --git a/src/utils/dynamicTitle.ts b/src/utils/dynamicTitle.ts
index 8e23ef8..bdcf0ab 100644
--- a/src/utils/dynamicTitle.ts
+++ b/src/utils/dynamicTitle.ts
@@ -1,12 +1,18 @@
 import defaultSettings from '@/settings';
 import { useSettingsStore } from '@/store/modules/settings';
+import { useUserStore } from '@/store/modules/user';
 
 /**
  * 动态修改标题
  */
 export const useDynamicTitle = () => {
   const settingsStore = useSettingsStore();
-  if (settingsStore.dynamicTitle) {
+  const userStore = useUserStore();
+  
+  // 优先使用租户名称
+  if (userStore.tenantName) {
+    document.title = userStore.tenantName;
+  } else if (settingsStore.dynamicTitle) {
     document.title = settingsStore.title + ' - ' + import.meta.env.VITE_APP_TITLE;
   } else {
     document.title = defaultSettings.title as string;
diff --git a/src/views/equipmentManagement/deviceType/index.vue b/src/views/equipmentManagement/deviceType/index.vue
index f8d8a64..6bbc86a 100644
--- a/src/views/equipmentManagement/deviceType/index.vue
+++ b/src/views/equipmentManagement/deviceType/index.vue
@@ -42,7 +42,7 @@
         <el-table-column label="型号名称" align="center" prop="typeName" />
         <el-table-column label="类型code" align="center" prop="modelDictionary">
           <template #default="scope">
-            {{ modelDictionaryOptions.find(item => item.dictValue == scope.row.modelDictionary)?.dictLabel }}
+            {{ modelDictionaryOptions.find(item => item.dictValue === String(scope.row.modelDictionary))?.dictLabel }}
           </template>
         </el-table-column>
         <el-table-column label="是否支持蓝牙" align="center" prop="isSupportBle">
@@ -119,11 +119,11 @@
           <el-col :span="24">
             <el-form-item label="定位方式" prop="locateMode">
               <el-select v-model="form.locateMode" placeholder="请选择">
-                <el-option label="无" value="0" />
-                <el-option label="GPS" value="1" />
-                <el-option label="基站" value="2" />
-                <el-option label="wifi" value="3" />
-                <el-option label="北斗" value="4" />
+                <el-option label="无" :value="0" />
+                <el-option label="GPS" :value="1" />
+                <el-option label="基站" :value="2" />
+                <el-option label="wifi" :value="3" />
+                <el-option label="北斗" :value="4" />
               </el-select>
             </el-form-item>
           </el-col>
@@ -132,8 +132,8 @@
           <el-col :span="24">
             <el-form-item label="通讯方式" prop="communicationMode">
               <el-select v-model="form.communicationMode" placeholder="请选择">
-                <el-option label="4G" value="0" />
-                <el-option label="蓝牙" value="1" />
+                <el-option label="4G" :value="0" />
+                <el-option label="蓝牙" :value="1" />
               </el-select>
             </el-form-item>
           </el-col>
@@ -160,9 +160,9 @@ interface deviceTypeVO {
   id: string | number;
   typeName: string;
   isSupportBle: boolean;
-  locateMode: string;
+  locateMode: number;
   modelDictionary: string;
-  communicationMode: string;
+  communicationMode: number;
   createTime: string;
   createByName: string;
 }
@@ -188,9 +188,9 @@ const dialog = reactive<DialogOption>({
 const initFormData: DeviceTypeForm = {
   typeName: '',
   isSupportBle: false,
-  locateMode: '',
+  locateMode: 0,
   modelDictionary: '',
-  communicationMode: '',
+  communicationMode: 0,
   id: '',
   createTime: '',
   createByName: '',
@@ -300,9 +300,10 @@ const handleUpdate = async (row?: DeviceTypeForm) => {
   try {
     const deviceData = row || ids.value[0];
     Object.assign(form.value, deviceData);
-    if (form.value.modelDictionary) {
-      form.value.modelDictionary = String(form.value.modelDictionary);
-    }
+    // 确保数据类型正确
+    form.value.modelDictionary = String(form.value.modelDictionary || '');
+    form.value.locateMode = Number(form.value.locateMode) || 0;
+    form.value.communicationMode = Number(form.value.communicationMode) || 0;
   } catch (error) {
     dialog.visible = false;
   }
@@ -316,7 +317,9 @@ const submitForm = () => {
       try {
         const payload = {
           ...form.value,
-          modelDictionary: Number(form.value.modelDictionary)
+          modelDictionary: form.value.modelDictionary,
+          locateMode: Number(form.value.locateMode),
+          communicationMode: Number(form.value.communicationMode)
         };
         form.value.id ? await api.updateDeviceType(payload) : await api.addDeviceType(payload);
         proxy?.$modal.msgSuccess('操作成功');
diff --git a/src/views/login.vue b/src/views/login.vue
index 2943f0a..ea0a28b 100644
--- a/src/views/login.vue
+++ b/src/views/login.vue
@@ -6,7 +6,7 @@
       </div>
       <el-form-item v-if="tenantEnabled" prop="tenantId">
         <el-select v-model="loginForm.tenantId" filterable :placeholder="proxy.$t('login.selectPlaceholder')"
-          style="width: 100%">
+          style="width: 100%" @change="onTenantChange">
           <el-option v-for="item in tenantList" :key="item.tenantId" :label="item.companyName"
             :value="item.tenantId"></el-option>
           <template #prefix><svg-icon icon-class="company" class="el-input__icon input-icon" /></template>
@@ -56,7 +56,7 @@ import { HttpStatus } from '@/enums/RespEnum';
 
 const { proxy } = getCurrentInstance() as ComponentInternalInstance;
 
-const title = import.meta.env.VITE_APP_TITLE;
+const title = ref(import.meta.env.VITE_APP_TITLE);
 const userStore = useUserStore();
 const router = useRouter();
 
@@ -102,19 +102,30 @@ const handleLogin = () => {
   loginRef.value?.validate(async (valid: boolean, fields: any) => {
     if (valid) {
       loading.value = true;
+      // 获取选中租户的名称并设置到登录表单中
+      const tenantName = tenantList.value.find(item => item.tenantId === loginForm.value.tenantId)?.companyName;
+      loginForm.value.tenantName = tenantName;
+      
       // 勾选了需要记住密码设置在 localStorage 中设置记住用户名和密码
       if (loginForm.value.rememberMe) {
         localStorage.setItem('tenantId', String(loginForm.value.tenantId));
+        localStorage.setItem('tenantName', String(tenantName || ''));
         localStorage.setItem('username', String(loginForm.value.username));
         localStorage.setItem('password', String(loginForm.value.password));
         localStorage.setItem('rememberMe', String(loginForm.value.rememberMe));
       } else {
         // 否则移除
         localStorage.removeItem('tenantId');
+        localStorage.removeItem('tenantName');
         localStorage.removeItem('username');
         localStorage.removeItem('password');
         localStorage.removeItem('rememberMe');
       }
+      
+      // 无论是否记住密码，都保存租户名称用于页面刷新时恢复
+      if (tenantName) {
+        localStorage.setItem('currentTenantName', tenantName);
+      }
       // 调用action的登录方法
       const [err] = await to(userStore.login(loginForm.value));
       if (!err) {
@@ -170,6 +181,8 @@ const initTenantList = async () => {
     tenantList.value = data.voList;
     if (tenantList.value != null && tenantList.value.length !== 0) {
       loginForm.value.tenantId = tenantList.value[0].tenantId;
+      // 初始化标题为第一个租户的名称
+      onTenantChange(tenantList.value[0].tenantId);
     }
   }
 };
@@ -189,6 +202,21 @@ const doSocialLogin = (type: string) => {
   });
 };
 
+/**
+ * 租户变化时更新标题
+ */
+const onTenantChange = (tenantId: string) => {
+  const selectedTenant = tenantList.value.find(item => item.tenantId === tenantId);
+  if (selectedTenant) {
+    title.value = selectedTenant.companyName;
+    // 同时更新页面标题
+    document.title = selectedTenant.companyName;
+  } else {
+    title.value = import.meta.env.VITE_APP_TITLE;
+    document.title = import.meta.env.VITE_APP_TITLE;
+  }
+};
+
 onMounted(() => {
   getCode();
   initTenantList();