diff --git a/src/contents/safety.tsx b/src/contents/safety.tsx
index b41edfac84db1998c544cd445decc28803b4322b..e65cdce594fda2cd86a64accf027cee8b0d01389 100644
--- a/src/contents/safety.tsx
+++ b/src/contents/safety.tsx
@@ -13,14 +13,6 @@ const SideNavbar: React.FC<SideNavbarProps> = ({ activeLink }) => {
         <Nav.Link as={Link} to="section1" smooth={true} duration={500} className={activeLink === 'section1' ? 'active' : 'notActive'}>Overview</Nav.Link>
         <Nav.Link as={Link} to="section2" smooth={true} duration={500} className={activeLink === 'section2' ? 'active' : 'notActive'}>Safe Project Design</Nav.Link>
         <Nav.Link as={Link} to="section3" smooth={true} duration={500} className={activeLink === 'section3' ? 'active' : 'notActive'}>Safe Lab Work</Nav.Link>
-        <Nav.Link as={Link} to="section4" smooth={true} duration={500} className={activeLink === 'section4' ? 'active' : 'notActive'}>Section 4</Nav.Link>
-        <Nav.Link as={Link} to="section5" smooth={true} duration={500} className={activeLink === 'section5' ? 'active' : 'notActive'}>Section 5</Nav.Link>
-        <Nav.Link as={Link} to="section6" smooth={true} duration={500} className={activeLink === 'section6' ? 'active' : 'notActive'}>Section 6</Nav.Link>
-        <Nav.Link as={Link} to="section7" smooth={true} duration={500} className={activeLink === 'section7' ? 'active' : 'notActive'}>Section 7</Nav.Link>
-        <Nav.Link as={Link} to="section8" smooth={true} duration={500} className={activeLink === 'section8' ? 'active' : 'notActive'}>Section 8</Nav.Link>
-        <Nav.Link as={Link} to="section9" smooth={true} duration={500} className={activeLink === 'section9' ? 'active' : 'notActive'}>Section 9</Nav.Link>
-        <Nav.Link as={Link} to="section10" smooth={true} duration={500} className={activeLink === 'section10' ? 'active' : 'notActive'}>Section 10</Nav.Link>
-        <Nav.Link as={Link} to="section11" smooth={true} duration={500} className={activeLink === 'section11' ? 'active' : 'notActive'}>Section 11</Nav.Link>
         {/* 添加更多导航链接 */}
       </Nav>
     </div>