diff --git a/app/admin/controller/Index.php b/app/admin/controller/Index.php
index 677cfdd7..657c5893 100644
--- a/app/admin/controller/Index.php
+++ b/app/admin/controller/Index.php
@@ -3,10 +3,29 @@ declare (strict_types = 1);
 
 namespace app\admin\controller;
 
-class Index
+use app\common\controller\Backend;
+
+class Index extends Backend
 {
     public function index()
     {
-        return '您好！这是一个[admin]示例应用';
+        return '后台首页';
+    }
+
+    public function login()
+    {
+        $url = $this->request->get('url', '/admin');
+
+        // 检查登录态
+
+        // 检查提交
+        if ($this->request->isPost()) {
+            $username = $this->request->post('username');
+            $password = $this->request->post('password');
+            $keeplogin = $this->request->post('keeplogin');
+            $token = $this->request->post('__token__');
+
+            print_r($username);
+        }
     }
 }
diff --git a/app/admin/library/Auth.php b/app/admin/library/Auth.php
new file mode 100644
index 00000000..ed4a07ca
--- /dev/null
+++ b/app/admin/library/Auth.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace app\admin\library;
+
+class Auth
+{
+
+}
\ No newline at end of file
diff --git a/app/admin/middleware.php b/app/admin/middleware.php
new file mode 100644
index 00000000..cbee25a9
--- /dev/null
+++ b/app/admin/middleware.php
@@ -0,0 +1,5 @@
+<?php
+return [
+    \app\common\library\AllowCrossDomain::class,
+    \think\middleware\LoadLangPack::class,
+];
diff --git a/app/common/controller/Backend.php b/app/common/controller/Backend.php
new file mode 100644
index 00000000..0377b119
--- /dev/null
+++ b/app/common/controller/Backend.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace app\common\controller;
+
+use app\common\controller\Api;
+use app\admin\library\Auth;
+
+class Backend extends Api
+{
+    protected $noNeedLogin      = [];
+    protected $noNeedPermission = [];
+
+    protected $auth = null;
+
+    protected $model = null;
+}
\ No newline at end of file
diff --git a/config/buildadmin.php b/config/buildadmin.php
index 6beafed9..6d7cebef 100644
--- a/config/buildadmin.php
+++ b/config/buildadmin.php
@@ -6,6 +6,7 @@
 return [
     // 允许跨域访问的域名
     'cors_request_domain' => 'localhost,127.0.0.1',
+    'admin_login_captcha' => true,
     // 允许执行的命令
     'allowed_commands'    => [
         'ping-baidu'   => 'ping baidu.com',
diff --git a/web/.env.development b/web/.env.development
index 4b564b8f..3a9fa290 100644
--- a/web/.env.development
+++ b/web/.env.development
@@ -3,3 +3,6 @@ ENV = 'development'
 
 # base路径
 VITE_BASE_PATH = './'
+
+# 本地环境接口地址 - 尾部无需带'/'
+VITE_AXIOS_BASE_URL = 'http://localhost:8000'
diff --git a/web/.env.online b/web/.env.online
index eab4b464..72ad5c72 100644
--- a/web/.env.online
+++ b/web/.env.online
@@ -8,3 +8,6 @@ VITE_BASE_PATH = '/'
 
 # 导出路径
 VITE_OUT_DIR = '../dist/'
+
+# 线上环境接口地址 - 'getCurrentDomain:表示获取当前域名'
+VITE_AXIOS_BASE_URL = 'getCurrentDomain'
diff --git a/web/.env.production b/web/.env.production
index f995153e..7ef3784f 100644
--- a/web/.env.production
+++ b/web/.env.production
@@ -6,3 +6,6 @@ VITE_BASE_PATH = '/'
 
 # 导出路径
 VITE_OUT_DIR = 'dist'
+
+# 线上环境接口地址 - 'getCurrentDomain:表示获取当前域名'
+VITE_AXIOS_BASE_URL = 'getCurrentDomain'
diff --git a/web/package.json b/web/package.json
index 3d3eb691..1803e89b 100644
--- a/web/package.json
+++ b/web/package.json
@@ -10,6 +10,7 @@
     "dependencies": {
         "@element-plus/icons-vue": "^0.2.4",
         "@vueuse/core": "^7.5.3",
+        "axios": "^0.26.0",
         "countup.js": "^2.0.8",
         "echarts": "^5.2.2",
         "element-plus": "^1.3.0-beta.3",
diff --git a/web/src/api/backend/index.ts b/web/src/api/backend/index.ts
new file mode 100644
index 00000000..979ec6a2
--- /dev/null
+++ b/web/src/api/backend/index.ts
@@ -0,0 +1,9 @@
+import Axios from '/@/utils/axios'
+
+export function login(params: object) {
+    return Axios.request({
+        url: '/index.php/admin/index/login',
+        method: 'post',
+        data: params
+    })
+}
diff --git a/web/src/utils/axios.ts b/web/src/utils/axios.ts
new file mode 100644
index 00000000..22ce9f7a
--- /dev/null
+++ b/web/src/utils/axios.ts
@@ -0,0 +1,24 @@
+import axios from 'axios'
+import { computed } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { Local } from '/@/utils/storage'
+import { store } from '/@/store/index'
+import { isProd } from '/@/utils/vite'
+
+const getUrl = (): string => {
+    const value: string = import.meta.env.VITE_AXIOS_BASE_URL as string
+    return value == 'getCurrentDomain' ? window.location.protocol + '//' + window.location.host : value
+}
+
+const lang = computed(() => store.state.config.defaultLang)
+
+const Axios = axios.create({
+    baseURL: getUrl(),
+    timeout: 50000,
+    headers: {
+        'Content-Type': 'application/json',
+        'think-lang': lang.value,
+    },
+})
+
+export default Axios
diff --git a/web/src/utils/vite.ts b/web/src/utils/vite.ts
index a04fdede..0d9e5b59 100644
--- a/web/src/utils/vite.ts
+++ b/web/src/utils/vite.ts
@@ -6,6 +6,11 @@ export interface ViteEnv {
     VITE_OPEN: boolean
     VITE_BASE_PATH: string
     VITE_OUT_DIR: string
+    VITE_AXIOS_BASE_URL: string
+}
+
+export function isOnline(mode: string): boolean {
+    return mode === 'online'
 }
 
 export function isDev(mode: string): boolean {
@@ -13,14 +18,13 @@ export function isDev(mode: string): boolean {
 }
 
 export function isProd(mode: string | undefined): boolean {
-    return mode === 'production'
+    return mode === 'production' || mode === 'online'
 }
 
 // Read all environment variable configuration files to process.env
-export function loadEnv(): ViteEnv {
-    const env = process.env.NODE_ENV
+export function loadEnv(mode: string): ViteEnv {
     const ret: any = {}
-    const envList = [`.env.${env}.local`, `.env.${env}`, '.env.local', '.env', '.env.online']
+    const envList = [`.env.${mode}.local`, `.env.${mode}`, '.env.local', '.env']
     envList.forEach((e) => {
         dotenv.config({ path: e })
     })
diff --git a/web/src/views/backend/login.vue b/web/src/views/backend/login.vue
index ada1c314..cbe9d852 100644
--- a/web/src/views/backend/login.vue
+++ b/web/src/views/backend/login.vue
@@ -94,6 +94,7 @@ import type { ElForm } from 'element-plus'
 import { useI18n } from 'vue-i18n'
 import { editDefaultLang } from '/@/lang/index'
 import { useStore } from '/@/store/index'
+import { login } from '/@/api/backend'
 
 const store = useStore()
 
@@ -177,6 +178,13 @@ const onSubmit = (formEl: InstanceType<typeof ElForm> | undefined) => {
     formEl.validate((valid) => {
         if (valid) {
             form.loading = true
+            login(form)
+                .then((res) => {
+                    console.log(res)
+                })
+                .catch((err) => {
+                    console.log(err)
+                })
             console.log(form)
         } else {
             console.log('error submit!')
diff --git a/web/vite.config.ts b/web/vite.config.ts
index 894c8e91..bd0613fe 100644
--- a/web/vite.config.ts
+++ b/web/vite.config.ts
@@ -1,54 +1,56 @@
 import vue from '@vitejs/plugin-vue'
 import { resolve } from 'path'
-import type { UserConfig } from 'vite'
+import type { UserConfig, ConfigEnv } from 'vite'
 import { isProd, loadEnv } from '/@/utils/vite'
 import { svgBuilder } from '/@/components/icon/svg/index'
 
-const { VITE_PORT, VITE_OPEN, VITE_BASE_PATH, VITE_OUT_DIR } = loadEnv()
-
 const pathResolve = (dir: string): any => {
     return resolve(__dirname, '.', dir)
 }
 
-const alias: Record<string, string> = {
-    '/@': pathResolve('./src/'),
-    assets: pathResolve('./src/assets'),
-    'vue-i18n': isProd(process.env.NODE_ENV) ? 'vue-i18n/dist/vue-i18n.cjs.prod.js' : 'vue-i18n/dist/vue-i18n.cjs.js',
-}
-
 // https://vitejs.cn/config/
-const viteConfig: UserConfig = {
-    plugins: [vue(), svgBuilder('./src/assets/icons/')],
-    root: process.cwd(),
-    resolve: { alias },
-    base: VITE_BASE_PATH,
-    server: {
-        host: '0.0.0.0',
-        port: VITE_PORT,
-        open: VITE_OPEN,
-    },
-    build: {
-        sourcemap: false,
-        outDir: VITE_OUT_DIR,
-        emptyOutDir: true,
-        chunkSizeWarningLimit: 1500,
-    },
-    css: {
-        postcss: {
-            plugins: [
-                {
-                    postcssPlugin: 'internal:charset-removal',
-                    AtRule: {
-                        charset: (atRule) => {
-                            if (atRule.name === 'charset') {
-                                atRule.remove()
-                            }
+const viteConfig = ({ mode }: ConfigEnv): UserConfig => {
+    const { VITE_PORT, VITE_OPEN, VITE_BASE_PATH, VITE_OUT_DIR } = loadEnv(mode)
+
+    const alias: Record<string, string> = {
+        '/@': pathResolve('./src/'),
+        assets: pathResolve('./src/assets'),
+        'vue-i18n': isProd(mode) ? 'vue-i18n/dist/vue-i18n.cjs.prod.js' : 'vue-i18n/dist/vue-i18n.cjs.js',
+    }
+
+    return {
+        plugins: [vue(), svgBuilder('./src/assets/icons/')],
+        root: process.cwd(),
+        resolve: { alias },
+        base: VITE_BASE_PATH,
+        server: {
+            host: '0.0.0.0',
+            port: VITE_PORT,
+            open: VITE_OPEN,
+        },
+        build: {
+            sourcemap: false,
+            outDir: VITE_OUT_DIR,
+            emptyOutDir: true,
+            chunkSizeWarningLimit: 1500,
+        },
+        css: {
+            postcss: {
+                plugins: [
+                    {
+                        postcssPlugin: 'internal:charset-removal',
+                        AtRule: {
+                            charset: (atRule) => {
+                                if (atRule.name === 'charset') {
+                                    atRule.remove()
+                                }
+                            },
                         },
                     },
-                },
-            ],
+                ],
+            },
         },
-    },
+    }
 }
 
 export default viteConfig