diff --git a/rc_autoplc_front/src/router/index.ts b/rc_autoplc_front/src/router/index.ts
index e1aefe7..45c7ed0 100644
--- a/rc_autoplc_front/src/router/index.ts
+++ b/rc_autoplc_front/src/router/index.ts
@@ -1,11 +1,20 @@
 import { createRouter, createWebHistory } from 'vue-router'
+import { useAuthStore } from '@/stores/auth'
+import { ElMessage } from 'element-plus'
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
   routes: [
+    {
+      path: '/login',
+      name: 'login',
+      component: () => import('../views/Login.vue'),
+      meta: { requiresAuth: false },
+    },
     {
       path: '/',
       component: () => import('../views/Layout.vue'),
+      meta: { requiresAuth: true },
       children: [
         {
           path: '/user',
@@ -73,14 +82,32 @@ const router = createRouter({
 })
 
 // 添加全局路由守卫
-// router.beforeEach((to, from, next) => {
-//   const token = localStorage.getItem('token')
+router.beforeEach((to, from, next) => {
+  const authStore = useAuthStore()
+  const token = authStore.getToken()
 
-//   if (to.path !== '/login' && !token) {
-//     next('/login')
-//   } else {
-//     next()
-//   }
-// })
+  // 如果访问登录页
+  if (to.path === '/login') {
+    // 已登录状态下访问登录页，自动跳转到首页
+    if (token) {
+      next('/')
+      ElMessage.success('已登录，自动跳转')
+    } else {
+      // 未登录，正常进入登录页
+      next()
+    }
+    return
+  }
+
+  // 访问需要认证的页面，但未登录（无token）
+  if (to.meta.requiresAuth && !token) {
+    ElMessage.warning('请先登录')
+    next('/login')
+    return
+  }
+
+  // 已登录且访问合法页面，正常放行
+  next()
+})
 
 export default router
diff --git a/rc_autoplc_front/src/utils/request.ts b/rc_autoplc_front/src/utils/request.ts
index 8dcb4f3..9a43f42 100644
--- a/rc_autoplc_front/src/utils/request.ts
+++ b/rc_autoplc_front/src/utils/request.ts
@@ -30,8 +30,19 @@ const TokenManager = {
     // 删除默认请求头
     delete request.defaults.headers.common['Authorization']
   },
+  
+  // 初始化token（应用启动时调用）
+  initToken() {
+    const token = this.getToken()
+    if (token) {
+      request.defaults.headers.common['Authorization'] = `Bearer ${token}`
+    }
+  },
 }
 
+// 应用启动时初始化token
+TokenManager.initToken()
+
 // 请求拦截器
 request.interceptors.request.use(
   (config: InternalAxiosRequestConfig) => {
@@ -77,6 +88,16 @@ request.interceptors.response.use(
     return data
   },
   (error) => {
+    // 处理401未授权错误
+    if (error.response?.status === 401) {
+      // 清除token
+      TokenManager.removeToken()
+      // 跳转到登录页
+      ElMessage.error('登录已过期，请重新登录')
+      router.replace('/login')
+      return Promise.reject(error)
+    }
+    
     // 网络错误或其他错误
     ElMessage.error(
       error.response?.data?.message || 
diff --git a/rc_autoplc_front/src/views/Layout.vue b/rc_autoplc_front/src/views/Layout.vue
index e6c95b0..97ea15c 100644
--- a/rc_autoplc_front/src/views/Layout.vue
+++ b/rc_autoplc_front/src/views/Layout.vue
@@ -158,8 +158,8 @@ const handleCommand = (command: string) => {
         authStore.removeToken()
         localStorage.removeItem('username')
         ElMessage.success('退出成功')
-        // 跳转到登录页（如果有登录页）
-        // router.push('/login')
+        // 跳转到登录页
+        router.push('/login')
       })
       .catch(() => {})
   }
diff --git a/rc_autoplc_front/src/views/Login.vue b/rc_autoplc_front/src/views/Login.vue
new file mode 100644
index 0000000..32cd015
--- /dev/null
+++ b/rc_autoplc_front/src/views/Login.vue
@@ -0,0 +1,317 @@
+<template>
+  <div class="login-container">
+    <div class="login-box">
+      <div class="login-header">
+        <h2>北京融创智能仪器管理系统</h2>
+        <p>用户登录</p>
+      </div>
+      
+      <el-form
+        ref="loginFormRef"
+        :model="loginForm"
+        :rules="loginRules"
+        class="login-form"
+        label-width="0"
+        @keyup.enter="handleLogin"
+      >
+        <el-form-item prop="username">
+          <el-input
+            v-model="loginForm.username"
+            placeholder="请输入用户名（2-16位的字母、数字、下划线或减号）"
+            size="large"
+            :prefix-icon="User"
+            clearable
+          />
+        </el-form-item>
+        
+        <el-form-item prop="password">
+          <el-input
+            v-model="loginForm.password"
+            type="password"
+            placeholder="请输入密码"
+            size="large"
+            :prefix-icon="Lock"
+            show-password
+            clearable
+            @keyup.enter="handleLogin"
+          />
+        </el-form-item>
+        
+        <el-form-item>
+          <div class="button-row">
+            <el-button
+              type="primary"
+              size="large"
+              class="login-button"
+              :loading="loginLoading"
+              @click="handleLogin"
+            >
+              登录
+            </el-button>
+            <el-button
+              size="large"
+              class="register-button"
+              @click="showRegisterDialog = true"
+            >
+              注册
+            </el-button>
+          </div>
+        </el-form-item>
+      </el-form>
+    </div>
+
+    <!-- 注册弹窗 -->
+    <el-dialog
+      v-model="showRegisterDialog"
+      title="用户注册"
+      width="500px"
+      :close-on-click-modal="false"
+    >
+      <el-form
+        ref="registerFormRef"
+        :model="registerForm"
+        :rules="registerRules"
+        label-width="100px"
+      >
+        <el-form-item label="用户名" prop="username">
+          <el-input
+            v-model="registerForm.username"
+            placeholder="2-16位的字母、数字、下划线或减号"
+            clearable
+          />
+        </el-form-item>
+        
+        <el-form-item label="密码" prop="password">
+          <el-input
+            v-model="registerForm.password"
+            type="password"
+            placeholder="请输入密码"
+            show-password
+            clearable
+          />
+        </el-form-item>
+        
+        <el-form-item label="确认密码" prop="confirmPassword">
+          <el-input
+            v-model="registerForm.confirmPassword"
+            type="password"
+            placeholder="请再次输入密码"
+            show-password
+            clearable
+          />
+        </el-form-item>
+      </el-form>
+      
+      <template #footer>
+        <el-button @click="showRegisterDialog = false">取消</el-button>
+        <el-button
+          type="primary"
+          :loading="registerLoading"
+          @click="handleRegister"
+        >
+          注册
+        </el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive } from 'vue'
+import { useRouter } from 'vue-router'
+import { ElMessage, ElMessageBox, type FormInstance, type FormRules } from 'element-plus'
+import { User, Lock } from '@element-plus/icons-vue'
+import { userlogin, userregister } from '@/api/system/user'
+import { useAuthStore } from '@/stores/auth'
+
+const router = useRouter()
+const authStore = useAuthStore()
+
+// 登录表单
+const loginFormRef = ref<FormInstance>()
+const loginForm = reactive({
+  username: '',
+  password: '',
+})
+const loginLoading = ref(false)
+
+// 注册表单
+const registerFormRef = ref<FormInstance>()
+const registerForm = reactive({
+  username: '',
+  password: '',
+  confirmPassword: '',
+})
+const registerLoading = ref(false)
+const showRegisterDialog = ref(false)
+
+// 登录表单验证规则
+const loginRules: FormRules = {
+  username: [
+    { required: true, message: '请输入用户名', trigger: 'blur' },
+    {
+      pattern: /^[a-zA-Z0-9_-]{2,16}$/,
+      message: '用户名必须是2-16位的字母、数字、下划线或减号',
+      trigger: 'blur',
+    },
+  ],
+  password: [
+    { required: true, message: '请输入密码', trigger: 'blur' },
+  ],
+}
+
+// 注册表单验证规则
+const validateConfirmPassword = (rule: any, value: string, callback: Function) => {
+  if (value === '') {
+    callback(new Error('请再次输入密码'))
+  } else if (value !== registerForm.password) {
+    callback(new Error('两次输入的密码不一致'))
+  } else {
+    callback()
+  }
+}
+
+const registerRules: FormRules = {
+  username: [
+    { required: true, message: '请输入用户名', trigger: 'blur' },
+    {
+      pattern: /^[a-zA-Z0-9_-]{2,16}$/,
+      message: '用户名必须是2-16位的字母、数字、下划线或减号',
+      trigger: 'blur',
+    },
+  ],
+  password: [
+    { required: true, message: '请输入密码', trigger: 'blur' },
+  ],
+  confirmPassword: [
+    { required: true, message: '请再次输入密码', trigger: 'blur' },
+    { validator: validateConfirmPassword, trigger: 'blur' },
+  ],
+}
+
+// 处理登录
+const handleLogin = async () => {
+  if (!loginFormRef.value) return
+  
+  await loginFormRef.value.validate(async (valid) => {
+    if (valid) {
+      loginLoading.value = true
+      try {
+        const response: any = await userlogin(loginForm.username, loginForm.password)
+        
+        // 根据图片，返回的data字段直接是token字符串
+        if (response.code === 0 && response.data) {
+          const token = response.data
+          // 存储token
+          authStore.setToken(token)
+          // 存储用户名
+          localStorage.setItem('username', loginForm.username)
+          
+          ElMessage.success('登录成功')
+          // 跳转到首页
+          router.push('/')
+        }
+      } catch (error: any) {
+        // 错误提示已在全局响应拦截中处理，这里不重复弹出
+        console.warn('login error:', error)
+      } finally {
+        loginLoading.value = false
+      }
+    }
+  })
+}
+
+// 处理注册
+const handleRegister = async () => {
+  if (!registerFormRef.value) return
+  
+  await registerFormRef.value.validate(async (valid) => {
+    if (valid) {
+      registerLoading.value = true
+      try {
+        const response: any = await userregister(registerForm.username, registerForm.password)
+        
+        if (response.code === 0) {
+          ElMessage.success('注册成功，请登录')
+          // 关闭注册弹窗
+          showRegisterDialog.value = false
+          // 清空注册表单
+          if (registerFormRef.value) {
+            registerFormRef.value.resetFields()
+          }
+          // 自动填充登录表单的用户名
+          loginForm.username = registerForm.username
+        } else {
+          ElMessage.error(response.message || '注册失败')
+        }
+      } catch (error: any) {
+        ElMessage.error(error.message || '注册失败')
+      } finally {
+        registerLoading.value = false
+      }
+    }
+  })
+}
+</script>
+
+<style scoped>
+.login-container {
+  width: 100%;
+  height: 100vh;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+}
+
+.login-box {
+  width: 450px;
+  padding: 40px;
+  background: #fff;
+  border-radius: 10px;
+  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
+}
+
+.login-header {
+  text-align: center;
+  margin-bottom: 30px;
+}
+
+.login-header h2 {
+  margin: 0 0 10px 0;
+  font-size: 24px;
+  color: #333;
+  font-weight: 500;
+}
+
+.login-header p {
+  margin: 0;
+  font-size: 14px;
+  color: #999;
+}
+
+.login-form {
+  margin-top: 30px;
+}
+
+.login-form :deep(.el-form-item) {
+  margin-bottom: 20px;
+}
+
+.button-row {
+  width: 100%;
+  display: flex;
+  gap: 12px;
+}
+
+.login-button,
+.register-button {
+  flex: 1 1 0;
+  width: auto;
+  display: block;
+}
+
+.login-button {
+  margin: 0;
+}
+</style>