diff --git a/frontend/src/components/ProtectedRoute.tsx b/frontend/src/components/ProtectedRoute.tsx
new file mode 100644
index 0000000..d0fdf87
--- /dev/null
+++ b/frontend/src/components/ProtectedRoute.tsx
@@ -0,0 +1,21 @@
+import React from 'react';
+import { Navigate, useLocation, Outlet } from 'react-router';
+import { useAppSelector } from '@/store/hooks';
+
+interface ProtectedRouteProps {
+  children?: React.ReactNode;
+}
+
+const ProtectedRoute: React.FC<ProtectedRouteProps> = ({ children }) => {
+  const { isAuthenticated } = useAppSelector((state) => state.auth);
+  const location = useLocation();
+
+  if (!isAuthenticated) {
+    // Redirect to the login page, but save the current location they were trying to go to
+    return <Navigate to="/login" state={{ from: location }} replace />;
+  }
+
+  return children ? <>{children}</> : <Outlet />;
+};
+
+export default ProtectedRoute;
diff --git a/frontend/src/pages/Layout/Sidebar.tsx b/frontend/src/pages/Layout/Sidebar.tsx
index a739f55..f93ceee 100644
--- a/frontend/src/pages/Layout/Sidebar.tsx
+++ b/frontend/src/pages/Layout/Sidebar.tsx
@@ -4,6 +4,7 @@ import {
   CloseOutlined,
   MenuOutlined,
   SettingOutlined,
+  LogoutOutlined,
 } from "@ant-design/icons";
 import { ClipboardList, X } from "lucide-react";
 import { menuItems } from "@/pages/Layout/menu";
@@ -12,6 +13,7 @@ import TaskUpload from "./TaskUpload";
 import SettingsPage from "../SettingsPage/SettingsPage";
 import { useAppSelector, useAppDispatch } from "@/store/hooks";
 import { showSettings, hideSettings } from "@/store/slices/settingsSlice";
+import { logout } from "@/store/slices/authSlice";
 
 const isPathMatch = (currentPath: string, targetPath: string) =>
   currentPath === targetPath || currentPath.startsWith(`${targetPath}/`);
@@ -67,6 +69,11 @@ const AsiderAndHeaderLayout = () => {
     };
   }, []);
 
+  const handleLogout = () => {
+    dispatch(logout());
+    navigate("/login");
+  };
+
   return (
     <div
       className={`${
@@ -148,6 +155,9 @@ const AsiderAndHeaderLayout = () => {
             >
               设置
             </Button>
+            <Button block danger onClick={handleLogout}>
+              退出登录
+            </Button>
           </div>
         ) : (
           <div className="space-y-2">
@@ -175,6 +185,7 @@ const AsiderAndHeaderLayout = () => {
             >
               <SettingOutlined />
             </Button>
+            <Button block danger onClick={handleLogout} icon={<LogoutOutlined />} />
           </div>
         )}
       </div>
diff --git a/frontend/src/pages/Login/LoginPage.tsx b/frontend/src/pages/Login/LoginPage.tsx
new file mode 100644
index 0000000..c9462a3
--- /dev/null
+++ b/frontend/src/pages/Login/LoginPage.tsx
@@ -0,0 +1,114 @@
+import React, { useState } from 'react';
+import { useNavigate, useLocation } from 'react-router';
+import { Form, Input, Button, Typography, message, Card } from 'antd';
+import { UserOutlined, LockOutlined } from '@ant-design/icons';
+import { useAppDispatch, useAppSelector } from '@/store/hooks';
+import { loginLocal } from '@/store/slices/authSlice';
+
+const { Title, Text } = Typography;
+
+const LoginPage: React.FC = () => {
+  const navigate = useNavigate();
+  const location = useLocation();
+  const dispatch = useAppDispatch();
+  const { loading, error } = useAppSelector((state) => state.auth);
+  const [messageApi, contextHolder] = message.useMessage();
+
+  const from = location.state?.from?.pathname || '/data';
+
+  const onFinish = (values: any) => {
+    dispatch(loginLocal(values));
+    // The reducer updates state synchronously.
+    if (values.username === 'admin' && values.password === '123456') {
+        messageApi.success('登录成功');
+        navigate(from, { replace: true });
+    } else {
+        messageApi.error('账号或密码错误');
+    }
+  };
+
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-[#050b14] relative overflow-hidden">
+      {contextHolder}
+
+      {/* Background Effects */}
+      <div className="absolute inset-0 z-0">
+        <div className="absolute top-0 left-0 w-full h-full bg-[radial-gradient(ellipse_at_center,_var(--tw-gradient-stops))] from-blue-900/20 via-[#050b14] to-[#050b14]"></div>
+        {/* Simple grid pattern if possible, or just gradient */}
+      </div>
+
+      <div className="absolute top-1/4 left-1/4 w-72 h-72 bg-blue-500/10 rounded-full blur-3xl animate-pulse"></div>
+      <div className="absolute bottom-1/4 right-1/4 w-96 h-96 bg-cyan-500/10 rounded-full blur-3xl animate-pulse delay-700"></div>
+
+      <div className="z-10 w-full max-w-md p-8 animate-[fadeIn_0.5s_ease-out_forwards]">
+        <div className="backdrop-blur-xl bg-white/5 border border-white/10 rounded-2xl shadow-2xl p-8 relative overflow-hidden">
+          {/* Decorative line */}
+          <div className="absolute top-0 left-0 w-full h-1 bg-gradient-to-r from-transparent via-blue-500 to-transparent"></div>
+
+          <div className="text-center mb-8">
+            <div className="inline-flex items-center justify-center w-16 h-16 rounded-full bg-blue-500/20 mb-4 border border-blue-500/30">
+              <svg className="w-8 h-8 text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
+              </svg>
+            </div>
+            <Title level={2} className="!text-white !mb-2 tracking-wide font-bold">
+              DataBuilder
+            </Title>
+            <Text className="text-gray-400 text-sm tracking-wider">
+              一站式数据工作平台
+            </Text>
+          </div>
+
+          <Form
+            name="login"
+            initialValues={{ remember: true, username: 'admin', password: '123456' }}
+            onFinish={onFinish}
+            layout="vertical"
+            size="large"
+          >
+            <Form.Item
+              name="username"
+              rules={[{ required: true, message: '请输入账号！' }]}
+            >
+              <Input
+                prefix={<UserOutlined className="text-blue-400" />}
+                placeholder="账号"
+                className="!bg-white/5 !border-white/10 !text-white placeholder:!text-gray-600 hover:!border-blue-500/50 focus:!border-blue-500 !rounded-lg"
+              />
+            </Form.Item>
+            <Form.Item
+              name="password"
+              rules={[{ required: true, message: '请输入密码！' }]}
+            >
+              <Input.Password
+                prefix={<LockOutlined className="text-blue-400" />}
+                type="password"
+                placeholder="密码"
+                className="!bg-white/5 !border-white/10 !text-white placeholder:!text-gray-600 hover:!border-blue-500/50 focus:!border-blue-500 !rounded-lg"
+              />
+            </Form.Item>
+
+            <Form.Item className="mb-2">
+              <Button
+                type="primary"
+                htmlType="submit"
+                className="w-full bg-gradient-to-r from-blue-600 to-cyan-600 hover:from-blue-500 hover:to-cyan-500 border-none h-12 rounded-lg font-semibold tracking-wide shadow-lg shadow-blue-900/20"
+                loading={loading}
+              >
+                登录系统
+              </Button>
+            </Form.Item>
+
+            <div className="text-center mt-4">
+              <Text className="text-gray-600 text-xs">
+                企业级数据处理平台 · 安全接入
+              </Text>
+            </div>
+          </Form>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default LoginPage;
diff --git a/frontend/src/routes/routes.ts b/frontend/src/routes/routes.ts
index 2b67b4a..97f15c9 100644
--- a/frontend/src/routes/routes.ts
+++ b/frontend/src/routes/routes.ts
@@ -49,243 +49,254 @@ import EvaluationDetailPage from "@/pages/DataEvaluation/Detail/TaskDetail.tsx";
 import SynthDataDetail from "@/pages/SynthesisTask/SynthDataDetail.tsx";
 import Home from "@/pages/Home/Home";
 import ContentGenerationPage from "@/pages/ContentGeneration/ContentGenerationPage";
+import LoginPage from "@/pages/Login/LoginPage";
+import ProtectedRoute from "@/components/ProtectedRoute";
 
 const router = createBrowserRouter([
+  {
+    path: "/login",
+    Component: LoginPage,
+  },
   {
     path: "/",
     Component: Home,
   },
   {
-    path: "/chat",
-    Component: withErrorBoundary(AgentPage),
-  },
-  {
-    path: "/orchestration",
+    Component: ProtectedRoute,
     children: [
       {
-        path: "",
-        index: true,
-        Component: withErrorBoundary(OrchestrationPage),
+        path: "/chat",
+        Component: withErrorBoundary(AgentPage),
       },
       {
-        path: "create-workflow",
-        Component: withErrorBoundary(WorkflowEditor),
-      },
-    ],
-  },
-  {
-    path: "/data",
-    Component: withErrorBoundary(MainLayout),
-    children: [
-      {
-        path: "collection",
+        path: "/orchestration",
         children: [
           {
             path: "",
             index: true,
-            Component: DataCollection,
+            Component: withErrorBoundary(OrchestrationPage),
           },
           {
-            path: "create-task",
-            Component: CollectionTaskCreate,
+            path: "create-workflow",
+            Component: withErrorBoundary(WorkflowEditor),
           },
         ],
       },
       {
-        path: "management",
+        path: "/data",
+        Component: withErrorBoundary(MainLayout),
         children: [
           {
-            path: "",
-            index: true,
-            Component: DatasetManagement,
+            path: "collection",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: DataCollection,
+              },
+              {
+                path: "create-task",
+                Component: CollectionTaskCreate,
+              },
+            ],
           },
           {
-            path: "create/:id?",
-            Component: DatasetCreate,
+            path: "management",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: DatasetManagement,
+              },
+              {
+                path: "create/:id?",
+                Component: DatasetCreate,
+              },
+              {
+                path: "detail/:id",
+                Component: DatasetDetail,
+              },
+            ],
           },
           {
-            path: "detail/:id",
-            Component: DatasetDetail,
+            path: "knowledge-management",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: KnowledgeManagementPage,
+              },
+              {
+                path: "search",
+                Component: KnowledgeManagementSearch,
+              },
+              {
+                path: "detail/:id",
+                Component: KnowledgeSetDetail,
+              },
+            ],
+          },
+          {
+            path: "cleansing",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: DataCleansing,
+              },
+              {
+                path: "create-task",
+                Component: CleansingTaskCreate,
+              },
+              {
+                path: "task-detail/:id",
+                Component: CleansingTaskDetail,
+              },
+              {
+                path: "create-template",
+                Component: CleansingTemplateCreate,
+              },
+              {
+                path: "template-detail/:id",
+                Component: CleansingTemplateDetail,
+              },
+              {
+                path: "update-template/:id",
+                Component: CleansingTemplateCreate,
+              },
+            ],
+          },
+          {
+            path: "annotation",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: DataAnnotation,
+              },
+              {
+                path: "create-task",
+                Component: AnnotationTaskCreate,
+              },
+              {
+                path: "annotate/:projectId",
+                Component: LabelStudioTextEditor,
+              },
+            ],
+          },
+          {
+            path: "content-generation",
+            Component: ContentGenerationPage,
+          },
+          {
+            path: "synthesis/task",
+            children: [
+              {
+                path: "",
+                Component: DataSynthesisPage,
+              },
+              {
+                path: "create-template",
+                Component: InstructionTemplateCreate,
+              },
+              {
+                path: "create",
+                Component: SynthesisTaskCreate,
+              },
+              {
+                path: ":id",
+                Component: SynthFileTask
+              },
+              {
+                path: "file/:id/detail",
+                Component: SynthDataDetail,
+              }
+            ],
+          },
+          {
+            path: "synthesis/ratio-task",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: RatioTasksPage,
+              },
+              {
+                path: "create",
+                Component: CreateRatioTask,
+              },
+              {
+                path: "detail/:id",
+                Component: RatioTaskDetail,
+              }
+            ],
+          },
+          {
+            path: "evaluation",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: DataEvaluationPage,
+              },
+              {
+                path: "detail/:id",
+                Component: EvaluationDetailPage,
+              },
+              {
+                path: "task-report/:id",
+                Component: EvaluationTaskReport,
+              },
+              {
+                path: "manual-evaluate/:id",
+                Component: ManualEvaluatePage,
+              },
+            ],
+          },
+          {
+            path: "knowledge-base",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: KnowledgeBasePage,
+              },
+              {
+                path: "search",
+                Component: KnowledgeBaseSearch,
+              },
+              {
+                path: "detail/:id",
+                Component: KnowledgeBaseDetailPage,
+              },
+              {
+                path: "file-detail/:id",
+                Component: KnowledgeBaseFileDetailPage,
+              },
+            ],
+          },
+          {
+            path: "operator-market",
+            children: [
+              {
+                path: "",
+                index: true,
+                Component: OperatorMarketPage,
+              },
+              {
+                path: "create/:id?",
+                Component: OperatorPluginCreate,
+              },
+              {
+                path: "plugin-detail/:id",
+                Component: OperatorPluginDetail,
+              },
+            ],
           },
         ],
       },
-      {
-        path: "knowledge-management",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: KnowledgeManagementPage,
-          },
-          {
-            path: "search",
-            Component: KnowledgeManagementSearch,
-          },
-          {
-            path: "detail/:id",
-            Component: KnowledgeSetDetail,
-          },
-        ],
-      },
-      {
-        path: "cleansing",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: DataCleansing,
-          },
-          {
-            path: "create-task",
-            Component: CleansingTaskCreate,
-          },
-          {
-            path: "task-detail/:id",
-            Component: CleansingTaskDetail,
-          },
-          {
-            path: "create-template",
-            Component: CleansingTemplateCreate,
-          },
-          {
-            path: "template-detail/:id",
-            Component: CleansingTemplateDetail,
-          },
-          {
-            path: "update-template/:id",
-            Component: CleansingTemplateCreate,
-          },
-        ],
-      },
-      {
-        path: "annotation",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: DataAnnotation,
-          },
-          {
-            path: "create-task",
-            Component: AnnotationTaskCreate,
-          },
-          {
-            path: "annotate/:projectId",
-            Component: LabelStudioTextEditor,
-          },
-        ],
-      },
-      {
-        path: "content-generation",
-        Component: ContentGenerationPage,
-      },
-      {
-        path: "synthesis/task",
-        children: [
-          {
-            path: "",
-            Component: DataSynthesisPage,
-          },
-          {
-            path: "create-template",
-            Component: InstructionTemplateCreate,
-          },
-          {
-            path: "create",
-            Component: SynthesisTaskCreate,
-          },
-          {
-            path: ":id",
-            Component: SynthFileTask
-          },
-          {
-            path: "file/:id/detail",
-            Component: SynthDataDetail,
-          }
-        ],
-      },
-      {
-        path: "synthesis/ratio-task",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: RatioTasksPage,
-          },
-          {
-            path: "create",
-            Component: CreateRatioTask,
-          },
-          {
-            path: "detail/:id",
-            Component: RatioTaskDetail,
-          }
-        ],
-      },
-      {
-        path: "evaluation",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: DataEvaluationPage,
-          },
-          {
-            path: "detail/:id",
-            Component: EvaluationDetailPage,
-          },
-          {
-            path: "task-report/:id",
-            Component: EvaluationTaskReport,
-          },
-          {
-            path: "manual-evaluate/:id",
-            Component: ManualEvaluatePage,
-          },
-        ],
-      },
-      {
-        path: "knowledge-base",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: KnowledgeBasePage,
-          },
-          {
-            path: "search",
-            Component: KnowledgeBaseSearch,
-          },
-          {
-            path: "detail/:id",
-            Component: KnowledgeBaseDetailPage,
-          },
-          {
-            path: "file-detail/:id",
-            Component: KnowledgeBaseFileDetailPage,
-          },
-        ],
-      },
-      {
-        path: "operator-market",
-        children: [
-          {
-            path: "",
-            index: true,
-            Component: OperatorMarketPage,
-          },
-          {
-            path: "create/:id?",
-            Component: OperatorPluginCreate,
-          },
-          {
-            path: "plugin-detail/:id",
-            Component: OperatorPluginDetail,
-          },
-        ],
-      },
-    ],
-  },
+    ]
+  }
 ]);
 
-export default router;
+export default router;
\ No newline at end of file
diff --git a/frontend/src/store/slices/authSlice.ts b/frontend/src/store/slices/authSlice.ts
index e159eb7..b772a52 100644
--- a/frontend/src/store/slices/authSlice.ts
+++ b/frontend/src/store/slices/authSlice.ts
@@ -31,7 +31,7 @@ const authSlice = createSlice({
   initialState: {
     user: null,
     token: localStorage.getItem('token'),
-    isAuthenticated: false,
+    isAuthenticated: !!localStorage.getItem('token'),
     loading: false,
     error: null,
   },
@@ -49,6 +49,19 @@ const authSlice = createSlice({
       state.token = action.payload;
       localStorage.setItem('token', action.payload);
     },
+    loginLocal: (state, action) => {
+      const { username, password } = action.payload;
+      if (username === 'admin' && password === '123456') {
+        state.user = { username: 'admin', role: 'admin' };
+        state.token = 'mock-token-' + Date.now();
+        state.isAuthenticated = true;
+        localStorage.setItem('token', state.token);
+        state.error = null;
+      } else {
+        state.error = 'Invalid credentials';
+        state.isAuthenticated = false;
+      }
+    },
   },
   extraReducers: (builder) => {
     builder
@@ -71,5 +84,5 @@ const authSlice = createSlice({
   },
 });
 
-export const { logout, clearError, setToken } = authSlice.actions;
+export const { logout, clearError, setToken, loginLocal } = authSlice.actions;
 export default authSlice.reducer;
\ No newline at end of file