课程详情初步

src/compenents/footer/index.tsx

@@ -9,6 +9,7 @@ export const Footer: React.FC = () => {
         backgroundColor: "#333333",
         height: 90,
         textAlign: "center",
+        marginTop: 80,
       }}
     >
       <i

src/compenents/header/index.tsx

@@ -92,7 +92,7 @@ export const Header: React.FC = () => {
           <Button.Group className={styles["button-group"]}>
             <Dropdown menu={{ items, onClick }} placement="bottomRight">
               <div className="d-flex">
-                {user.name && (
+                {user && user.name && (
                   <img
                     style={{ width: 36, height: 36, borderRadius: "50%" }}
                     src={user.avatar}