diff --git a/src/contents/education.tsx b/src/contents/education.tsx
index 00f4b6ec65eeca3459cc341babf1731870af907d..f728277cc290a155aef48b8a8ba0e5782468f8dd 100644
--- a/src/contents/education.tsx
+++ b/src/contents/education.tsx
@@ -17,11 +17,6 @@ const SideNavbar: React.FC<SideNavbarProps> = ({ activeLink }) => {
         <Nav.Link as={Link} to="section5" smooth={true} duration={500} className={activeLink === 'section5' ? 'active' : 'notActive'}>Regional level - Coverage Project</Nav.Link>
         <Nav.Link as={Link} to="section6" smooth={true} duration={500} className={activeLink === 'section6' ? 'active' : 'notActive'}>World Level - Extension Project</Nav.Link>
         <Nav.Link as={Link} to="section7" smooth={true} duration={500} className={activeLink === 'section7' ? 'active' : 'notActive'}>Conclusions and outlook</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>
   );
@@ -337,48 +332,6 @@ export function Education() { // sidenavbar begin
                 <p className="indent">Looking ahead, we will continue to adhere to the educational concept of two-way feedback to continuously improve the quality and impact of our science popularisation work. We will further improve the educational content and develop more diversified and interactive science popularisation activities to meet the needs of different groups. At the same time, we will also strengthen our interaction with the public to collect more feedback and continuously improve our work based on such feedback.</p>
                 <p className="indent">We believe that through continuous efforts, our educational work will be able to better serve the community, enhance the public's scientific literacy and health awareness, and make greater contributions to the development and popularisation of synthetic biology and hepatic encephalopathy.</p>
               </Element>
-
-              <Element name="section8" className="element rounded-border" id='section8'>
-              <h2>Section 8</h2>
-              <p>Content for section 8.</p>
-              <div className="rounded-border">
-              <h4 className="center-text">我是大帅B</h4>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              </div>
-              </Element>
-
-              <Element name="section9" className="element rounded-border" id='section9'>
-              <h2>Section 9</h2>
-              <p>Content for section 9.</p>
-              <div className="rounded-border">
-              <h4 className="center-text">我是大帅B</h4>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              </div>
-              </Element>
-
-              <Element name="section10" className="element rounded-border" id='section10'>
-              <h2>Section 10</h2>
-              <p>Content for section 10.</p>
-              <div className="rounded-border">
-              <h4 className="center-text">我是大帅B</h4>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              </div>
-              </Element>
-
-              <Element name="section11" className="element rounded-border" id='section11'>
-              <h2>Section 11</h2>
-              <p>Content for section 11.</p>
-              <div className="rounded-border">
-              <h4 className="center-text">我是大帅B</h4>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
-              </div>
-              </Element>         
-          
-
         </div>
         <div className="col-1"></div>