diff --git a/src/compenents/index.ts b/src/compenents/index.ts
index 14b2134..9575d06 100644
--- a/src/compenents/index.ts
+++ b/src/compenents/index.ts
@@ -1,6 +1,6 @@
 export * from "./footer";
 export * from "./header";
-export * from "./leftMenu";
+export * from "./left-menu";
 export * from "./upload-image-button";
 export * from "./treeDepartment";
 export * from "./back-bar";
\ No newline at end of file
diff --git a/src/compenents/leftMenu/index.module.less b/src/compenents/left-menu/index.module.less
similarity index 100%
rename from src/compenents/leftMenu/index.module.less
rename to src/compenents/left-menu/index.module.less
diff --git a/src/compenents/leftMenu/index.tsx b/src/compenents/left-menu/index.tsx
similarity index 87%
rename from src/compenents/leftMenu/index.tsx
rename to src/compenents/left-menu/index.tsx
index bf3b92a..95c552e 100644
--- a/src/compenents/leftMenu/index.tsx
+++ b/src/compenents/left-menu/index.tsx
@@ -21,15 +21,13 @@ function getItem(label: any, key: any, icon: any, children: any, type: any) {
 }
 const items = [
   getItem("首页概览", "/", <SettingOutlined />, null, null),
-  getItem("网校装修", "/decoration", <SettingOutlined />, null, null),
   getItem(
-    "课程内容",
+    "资源管理",
     "3",
     <MailOutlined />,
     [
-      getItem("视频", "/vod", null, null, null),
-      getItem("文章", "/topic", null, null, null),
-      getItem("试卷", "/paper", null, null, null),
+      getItem("视频", "/videos", null, null, null),
+      getItem("图片", "/images", null, null, null),
     ],
     null
   ),
@@ -47,7 +45,6 @@ const items = [
     [getItem("部门", "/department", null, null, null)],
     null
   ),
-  getItem("证书管理", "5", <SettingOutlined />, [], null),
   getItem(
     "系统设置",
     "6",
diff --git a/src/pages/department/index.tsx b/src/pages/department/index.tsx
index 8153ac6..1e20f1c 100644
--- a/src/pages/department/index.tsx
+++ b/src/pages/department/index.tsx
@@ -161,6 +161,7 @@ export const DepartmentPage: React.FC = () => {
         </div>
         <div className="float-left">
           <Table
+            pagination={false}
             key={tableKey}
             columns={columns}
             dataSource={list}
diff --git a/src/pages/error/index.module.less b/src/pages/error/index.module.less
index e69de29..6e35a80 100644
--- a/src/pages/error/index.module.less
+++ b/src/pages/error/index.module.less
@@ -0,0 +1,4 @@
+.main {
+  width: 100vw;
+  height: 100vh;
+}
diff --git a/src/pages/error/index.tsx b/src/pages/error/index.tsx
index e05a98f..3ab4378 100644
--- a/src/pages/error/index.tsx
+++ b/src/pages/error/index.tsx
@@ -1,11 +1,27 @@
+import { Button, Result } from "antd";
 import React from "react";
+import { useNavigate } from "react-router-dom";
 import styles from "./index.module.less";
 
 export const ErrorPage: React.FC<any> = () => {
+  const navigate = useNavigate();
+
   return (
-    <div id="error-page">
-      <h1>Oops!</h1>
-      <p>路由不存在</p>
-    </div>
+    <Result
+      status="404"
+      title="404"
+      subTitle="您访问的页面不存在"
+      className={styles["main"]}
+      extra={
+        <Button
+          type="primary"
+          onClick={() => {
+            navigate("/");
+          }}
+        >
+          返回首页
+        </Button>
+      }
+    />
   );
 };
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 3a5e40a..7220245 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -17,11 +17,11 @@ export function dateFormat(dateStr: string) {
 }
 
 export const generateUUID = (): string => {
-  var guid = "";
-  for (var i = 1; i <= 32; i++) {
-    var n = Math.floor(Math.random() * 16.0).toString(16);
+  let guid = "";
+  for (let i = 1; i <= 32; i++) {
+    let n = Math.floor(Math.random() * 16.0).toString(16);
     guid += n;
-    if (i == 8 || i == 12 || i == 16 || i == 20) guid += "-";
+    if (i === 8 || i === 12 || i === 16 || i === 20) guid += "-";
   }
   return guid;
-};
\ No newline at end of file
+};