diff --git a/backend/IM_API/Interface/Services/IAuthService.cs b/backend/IM_API/Interface/Services/IAuthService.cs
new file mode 100644
index 0000000..770cceb
--- /dev/null
+++ b/backend/IM_API/Interface/Services/IAuthService.cs
@@ -0,0 +1,6 @@
+namespace IM_API.Interface.Services
+{
+    public interface IAuthService
+    {
+    }
+}
diff --git a/frontend/web/src/App.vue b/frontend/web/src/App.vue
index 6ec9f60..af331b0 100644
--- a/frontend/web/src/App.vue
+++ b/frontend/web/src/App.vue
@@ -1,11 +1,17 @@
 <script setup></script>
 
 <template>
-  <h1>You did it!</h1>
-  <p>
-    Visit <a href="https://vuejs.org/" target="_blank" rel="noopener">vuejs.org</a> to read the
-    documentation
-  </p>
+  <div id="app">
+    <WindowLayout>
+
+      <RouterView></RouterView>
+    </WindowLayout>
+    
+  </div>
 </template>
 
+<script setup>
+import WindowLayout from './components/Layout.vue'
+</script>
+
 <style scoped></style>
diff --git a/frontend/web/src/components/Layout.vue b/frontend/web/src/components/Layout.vue
new file mode 100644
index 0000000..c00ea60
--- /dev/null
+++ b/frontend/web/src/components/Layout.vue
@@ -0,0 +1,262 @@
+<template>
+  <div class="window-container">
+    <div class="window">
+      <!-- Windows 风格标题栏 -->
+      <div class="window-header">
+        <div class="window-title-area">
+          <div class="window-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+              <path d="M6.5 1.5H1.5V6.5H6.5V1.5Z" fill="currentColor"/>
+              <path d="M14.5 1.5H9.5V6.5H14.5V1.5Z" fill="currentColor"/>
+              <path d="M6.5 9.5H1.5V14.5H6.5V9.5Z" fill="currentColor"/>
+              <path d="M14.5 9.5H9.5V14.5H14.5V9.5Z" fill="currentColor"/>
+            </svg>
+          </div>
+          <div class="window-title">我的窗口</div>
+        </div>
+        <div class="window-controls">
+          <button class="control-btn minimize" @click="minimize" title="最小化">
+            <span class="control-icon"></span>
+          </button>
+          <button class="control-btn maximize" @click="maximize" title="最大化">
+            <span class="control-icon"></span>
+          </button>
+          <button class="control-btn close" @click="close" title="关闭">
+            <span class="control-icon"></span>
+          </button>
+        </div>
+      </div>
+
+      <!-- 窗口内容 -->
+      <div class="window-content">
+        <slot></slot>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+function minimize() {
+  console.log('最小化')
+}
+
+function maximize() {
+  console.log('最大化/还原')
+}
+
+function close() {
+  console.log('关闭窗口')
+}
+</script>
+
+<style scoped>
+/* 外层容器，居中 - 保持不变 */
+.window-container {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 100vh;
+  background-color: #f0f0f0;
+  padding: 20px;
+  box-sizing: border-box;
+}
+
+/* 窗口主体 - 保持不变 */
+.window {
+  width: 800px;
+  height: 550px;
+  background-color: #fff;
+  border-radius: 8px;
+  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+/* 窗口顶部栏 - 优化按钮样式 */
+.window-header {
+  height: 42px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 12px;
+  background: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
+  color: #fff;
+  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+  font-weight: 600;
+  border-top-left-radius: 8px;
+  border-top-right-radius: 8px;
+  user-select: none;
+  position: relative;
+  overflow: hidden;
+}
+
+/* 添加顶栏的微光效果 */
+.window-header::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 1px;
+  background: linear-gradient(90deg, 
+    transparent 0%, 
+    rgba(255, 255, 255, 0.4) 20%, 
+    rgba(255, 255, 255, 0.7) 50%, 
+    rgba(255, 255, 255, 0.4) 80%, 
+    transparent 100%);
+}
+
+/* 标题区域 */
+.window-title-area {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+/* 窗口图标 */
+.window-icon {
+  width: 18px;
+  height: 18px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: rgba(255, 255, 255, 0.9);
+}
+
+/* 窗口标题 */
+.window-title {
+  font-size: 14px;
+  letter-spacing: 0.3px;
+  color: rgba(255, 255, 255, 0.95);
+  font-weight: 500;
+}
+
+/* 标题栏按钮容器 - 增加间距 */
+.window-controls {
+  display: flex;
+  gap: 8px;
+}
+
+/* 控制按钮通用样式 - 优化尺寸和交互 */
+.control-btn {
+  width: 32px;
+  height: 32px;
+  border: none;
+  background: transparent;
+  color: rgba(255, 255, 255, 0.85);
+  border-radius: 6px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+  position: relative;
+  overflow: hidden;
+}
+
+.control-btn::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(255, 255, 255, 0);
+  border-radius: 6px;
+  transition: background 0.2s ease;
+}
+
+.control-btn:hover::before {
+  background: rgba(255, 255, 255, 0.15);
+}
+
+.control-btn:active {
+  transform: scale(0.95);
+}
+
+/* 控制按钮图标 - 使用CSS绘制精致图标 */
+.control-icon {
+  position: relative;
+  z-index: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+/* 最小化按钮图标 */
+.minimize .control-icon {
+  width: 10px;
+  height: 10px;
+  position: relative;
+}
+
+.minimize .control-icon::before {
+  content: '';
+  position: absolute;
+  width: 10px;
+  height: 2px;
+  background: currentColor;
+  border-radius: 1px;
+  bottom: 2px;
+}
+
+/* 最大化按钮图标 */
+.maximize .control-icon {
+  width: 10px;
+  height: 10px;
+  position: relative;
+}
+
+.maximize .control-icon::before {
+  content: '';
+  position: absolute;
+  width: 8px;
+  height: 8px;
+  border: 1.5px solid currentColor;
+  border-radius: 1px;
+}
+
+/* 关闭按钮图标 */
+.close .control-icon {
+  width: 10px;
+  height: 10px;
+  position: relative;
+}
+
+.close .control-icon::before,
+.close .control-icon::after {
+  content: '';
+  position: absolute;
+  width: 12px;
+  height: 1.5px;
+  background: currentColor;
+  border-radius: 1px;
+  top: 4px;
+  left: -1px;
+}
+
+.close .control-icon::before {
+  transform: rotate(45deg);
+}
+
+.close .control-icon::after {
+  transform: rotate(-45deg);
+}
+
+/* 关闭按钮特殊样式 */
+.close:hover {
+  color: #fff;
+}
+
+.close:hover::before {
+  background: rgba(232, 17, 35, 0.9);
+}
+
+/* 窗口内容 - 保持不变 */
+.window-content {
+  flex: 1;
+  overflow-y: hidden;
+  background-color: #fdfdfd;
+}
+</style>
\ No newline at end of file
diff --git a/frontend/web/src/router/index.js b/frontend/web/src/router/index.js
index e1eab52..29e07eb 100644
--- a/frontend/web/src/router/index.js
+++ b/frontend/web/src/router/index.js
@@ -1,8 +1,10 @@
 import { createRouter, createWebHistory } from 'vue-router'
 
+const routes = [{ path: '/auth/login', component: () => import('@/views/auth/Login.vue') }]
+
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
-  routes: [],
+  routes,
 })
 
 export default router
diff --git a/frontend/web/src/views/auth/Login.vue b/frontend/web/src/views/auth/Login.vue
new file mode 100644
index 0000000..7bd501e
--- /dev/null
+++ b/frontend/web/src/views/auth/Login.vue
@@ -0,0 +1,386 @@
+<template>
+  <div class="login-content">
+    <div class="login-header">
+      <h2 class="login-title">欢迎登录</h2>
+      <p class="login-subtitle">请输入您的账号信息</p>
+    </div>
+    
+    <form @submit.prevent="handleLogin" class="login-form">
+      <div class="input-group">
+        <div class="input-container">
+          <input id="username" type="text" v-model="username" placeholder=" " required>
+          <label for="username" class="floating-label">用户名</label>
+          <div class="input-icon">
+            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+              <path d="M20 21V19C20 16.7909 18.2091 15 16 15H8C5.79086 15 4 16.7909 4 19V21" stroke="currentColor" stroke-width="2" stroke-linecap="round"/>
+              <circle cx="12" cy="7" r="4" stroke="currentColor" stroke-width="2"/>
+            </svg>
+          </div>
+        </div>
+      </div>
+      
+      <div class="input-group">
+        <div class="input-container">
+          <input id="password" type="password" v-model="password" placeholder=" " required>
+          <label for="password" class="floating-label">密码</label>
+          <div class="input-icon">
+            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+              <rect x="3" y="11" width="18" height="11" rx="2" stroke="currentColor" stroke-width="2"/>
+              <path d="M7 11V7C7 4.23858 9.23858 2 12 2C14.7614 2 17 4.23858 17 7V11" stroke="currentColor" stroke-width="2"/>
+            </svg>
+          </div>
+        </div>
+      </div>
+      
+      <div class="options-row">
+        <label class="remember-me">
+          <input type="checkbox">
+          <span class="checkmark"></span>
+          记住我
+        </label>
+        <a href="#" class="forgot-link">忘记密码?</a>
+      </div>
+      
+      <button type="submit" class="login-btn">
+        <span>登录</span>
+        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+          <path d="M5 12H19M19 12L12 5M19 12L12 19" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+        </svg>
+      </button>
+      
+      <p v-if="errorMsg" class="error">{{ errorMsg }}</p>
+    </form>
+    
+    <div class="login-footer">
+      <p>还没有账号? <a href="#" class="register-link">立即注册</a></p>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+
+const username = ref('')
+const password = ref('')
+const errorMsg = ref('')
+
+const handleLogin = () => {
+  if (!username.value || !password.value) {
+    errorMsg.value = '用户名或密码不能为空'
+    return
+  }
+
+  if (username.value === 'admin' && password.value === '123456') {
+    alert('登录成功！')
+    errorMsg.value = ''
+    // TODO: 跳转到IM主界面
+  } else {
+    errorMsg.value = '用户名或密码错误'
+  }
+}
+</script>
+
+<style scoped>
+.login-content {
+  padding: 40px 30px;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
+  border-radius: 0 0 8px 8px;
+  position: relative;
+  overflow: hidden;
+}
+
+/* 添加背景装饰元素 */
+.login-content::before {
+  content: '';
+  position: absolute;
+  top: -50%;
+  right: -20%;
+  width: 300px;
+  height: 300px;
+  border-radius: 50%;
+  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(37, 99, 235, 0.1) 100%);
+  z-index: 0;
+}
+
+.login-content::after {
+  content: '';
+  position: absolute;
+  bottom: -30%;
+  left: -10%;
+  width: 200px;
+  height: 200px;
+  border-radius: 50%;
+  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(37, 99, 235, 0.08) 100%);
+  z-index: 0;
+}
+
+.login-header {
+  text-align: center;
+  margin-bottom: 32px;
+  position: relative;
+  z-index: 1;
+}
+
+.login-title {
+  font-size: 26px;
+  font-weight: 700;
+  color: #1e293b;
+  margin-bottom: 8px;
+  letter-spacing: -0.5px;
+}
+
+.login-subtitle {
+  font-size: 14px;
+  color: #64748b;
+  font-weight: 500;
+}
+
+.login-form {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+  max-width: 320px;
+  margin: 0 auto;
+  width: 100%;
+  position: relative;
+  z-index: 1;
+}
+
+/* 输入组 */
+.input-group {
+  margin-bottom: 8px;
+}
+
+.input-container {
+  position: relative;
+  margin-top: 8px;
+}
+
+.input-container input {
+  width: 100%;
+  padding: 16px 16px 16px 48px;
+  border: 1.5px solid #e2e8f0;
+  border-radius: 10px;
+  font-size: 15px;
+  outline: none;
+  transition: all 0.3s ease;
+  background-color: #ffffff;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
+  position: relative;
+  z-index: 1;
+}
+
+.input-container input:focus {
+  border-color: #3b82f6;
+  background-color: #ffffff;
+  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), 0 2px 6px rgba(59, 130, 246, 0.1);
+  transform: translateY(-1px);
+}
+
+.input-container input:focus + .floating-label,
+.input-container input:not(:placeholder-shown) + .floating-label {
+  top: -8px;
+  left: 48px;
+  font-size: 12px;
+  color: #3b82f6;
+  background: linear-gradient(180deg, #f8fafc 50%, #ffffff 50%);
+  padding: 0 6px;
+  font-weight: 600;
+}
+
+.floating-label {
+  position: absolute;
+  top: 16px;
+  left: 48px;
+  font-size: 15px;
+  color: #64748b;
+  pointer-events: none;
+  transition: all 0.3s ease;
+  z-index: 2;
+}
+
+.input-icon {
+  position: absolute;
+  left: 16px;
+  top: 50%;
+  transform: translateY(-50%);
+  color: #94a3b8;
+  transition: color 0.3s ease;
+  z-index: 2;
+}
+
+.input-container input:focus ~ .input-icon {
+  color: #3b82f6;
+}
+
+/* 选项行 */
+.options-row {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin: 10px 0 5px;
+}
+
+.remember-me {
+  display: flex;
+  align-items: center;
+  font-size: 14px;
+  color: #64748b;
+  cursor: pointer;
+  font-weight: 500;
+}
+
+.remember-me input {
+  display: none;
+}
+
+.checkmark {
+  width: 18px;
+  height: 18px;
+  border: 2px solid #cbd5e1;
+  border-radius: 4px;
+  margin-right: 8px;
+  position: relative;
+  transition: all 0.2s ease;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.remember-me:hover .checkmark {
+  border-color: #94a3b8;
+}
+
+.remember-me input:checked + .checkmark {
+  background-color: #3b82f6;
+  border-color: #3b82f6;
+}
+
+.remember-me input:checked + .checkmark::after {
+  content: '';
+  position: absolute;
+  left: 5px;
+  top: 2px;
+  width: 4px;
+  height: 8px;
+  border: solid white;
+  border-width: 0 2px 2px 0;
+  transform: rotate(45deg);
+}
+
+.forgot-link {
+  font-size: 14px;
+  color: #3b82f6;
+  text-decoration: none;
+  transition: color 0.3s ease;
+  font-weight: 500;
+}
+
+.forgot-link:hover {
+  color: #2563eb;
+  text-decoration: underline;
+}
+
+/* 按钮 */
+.login-btn {
+  width: 100%;
+  padding: 14px;
+  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
+  color: #fff;
+  font-weight: 600;
+  font-size: 15px;
+  border: none;
+  border-radius: 10px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  margin-top: 10px;
+  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.25);
+  position: relative;
+  overflow: hidden;
+}
+
+.login-btn::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: -100%;
+  width: 100%;
+  height: 100%;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
+  transition: left 0.5s;
+}
+
+.login-btn:hover {
+  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
+  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.35);
+  transform: translateY(-2px);
+}
+
+.login-btn:hover::before {
+  left: 100%;
+}
+
+.login-btn:active {
+  transform: translateY(0);
+  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.4);
+}
+
+/* 错误提示 */
+.error {
+  color: #ef4444;
+  margin-top: 16px;
+  font-size: 14px;
+  text-align: center;
+  padding: 12px;
+  background-color: #fef2f2;
+  border-radius: 8px;
+  border-left: 4px solid #ef4444;
+  box-shadow: 0 2px 4px rgba(239, 68, 68, 0.1);
+  font-weight: 500;
+}
+
+/* 登录页脚 */
+.login-footer {
+  margin-top: 24px;
+  text-align: center;
+  font-size: 14px;
+  color: #64748b;
+  position: relative;
+  z-index: 1;
+}
+
+.register-link {
+  color: #3b82f6;
+  text-decoration: none;
+  font-weight: 600;
+  transition: color 0.3s ease;
+  position: relative;
+}
+
+.register-link::after {
+  content: '';
+  position: absolute;
+  bottom: -2px;
+  left: 0;
+  width: 0;
+  height: 2px;
+  background: #3b82f6;
+  transition: width 0.3s ease;
+}
+
+.register-link:hover {
+  color: #2563eb;
+}
+
+.register-link:hover::after {
+  width: 100%;
+}
+</style>
\ No newline at end of file