diff --git a/frontend/src/views/Login.vue b/frontend/src/views/Login.vue
index ec457bf..e6d0890 100644
--- a/frontend/src/views/Login.vue
+++ b/frontend/src/views/Login.vue
@@ -1,29 +1,60 @@
-html
 <template>
-  <div>
-    <h1>Login with GitHub</h1>
-    <button @click="login">Login with GitHub</button>
+  <div v-if="!accessToken">
+    <button @click="loginWithGitHub">Login with GitHub</button>
+  </div>
+  <div v-else>
+    <p>Access Token: {{ accessToken }}</p>
+    <button @click="logout">Logout</button>
   </div>
 </template>
 
-<script setup>
-import { ref } from 'vue';
+<script>
+import { reactive } from 'vue';
 
-const login = async () => {
-  const client_id = '9f75836d51c1cb447fa5';//process.env.VUE_APP_GITHUB_CLIENT_ID;
-  const redirect_uri = "http://localhost:5173/login/callback";
-  const scope = "read:user";
-  const url = `https://github.com/login/oauth/authorize?client_id=${client_id}&redirect_uri=${redirect_uri}&scope=${scope}`;
-  console.log(url);
-  window.location.href = url;
+export default {
+  setup() {
+    const state = reactive({
+      accessToken: null,
+    });
+
+    const loginWithGitHub = () => {
+      // 基于 OAuth2 的认证流程，首先跳转到 GitHub 授权页面进行授权
+      window.location.href = `https://github.com/login/oauth/authorize?client_id=${import.meta.env.VUE_APP_GITHUB_CLIENT_ID}&scope=user`;
+    };
+
+    const handleCallback = async (code) => {
+      try {
+        // 请求后端接口获取 access token
+        const response = await fetch(`${process.env.VUE_APP_API_BASE_URL}/auth/signin/sso?code=${code}`);
+        if (!response.ok) {
+          throw new Error(response.statusText);
+        }
+        const { accessToken } = await response.json();
+        state.accessToken = accessToken;
+      } catch (error) {
+        console.error(error);
+      }
+    };
+
+    const logout = () => {
+      state.accessToken = null;
+    };
+
+    // 监听 URL 变化，处理从 GitHub 授权页面回调回来的 code 参数
+    const handleUrlChange = () => {
+      const urlParams = new URLSearchParams(window.location.search);
+      const code = urlParams.get('code');
+      if (code) {
+        handleCallback(code);
+      }
+    };
+    window.addEventListener('load', handleUrlChange);
+
+    return {
+      accessToken: state.accessToken,
+      loginWithGitHub,
+      logout,
+    };
+  },
 };
-
-// export default {
-//   name: 'Login',
-//   setup() {
-//     return {
-//       login,
-//     };
-//   },
-// };
 </script>
\ No newline at end of file