diff --git a/index.html b/index.html
index cef6879..887d30b 100644
--- a/index.html
+++ b/index.html
@@ -35,7 +35,7 @@
                         <img class="left" src="static/img/Certificate-root.png" width="64" alt="Root Certificate" />
                     </td>
                     <td>
-                        Main Root CA
+                        Standard Root CA
                         <ul class="disc">
                             <li><a href="https://cacerts.zhanganjun.com/r1/RootCA-R1.crt" class="more">Zhang Anjun Root CA - R1</a></li>
                             <li><a href="https://repo.zhanganjun.com/PKI/trust/trust.reg" class="more">Trust with One Click</a> (Windows)</li>
@@ -108,10 +108,10 @@
                 <li><a href="https://zhanganjun.com" class="more">Zhang Anjun's Homepage</a></li>
                 <li><a href="https://repo.zhanganjun.com/PKI/" class="more">PKI Repository</a></li>
                 <li><a href="https://repo.zhanganjun.com/OID/OID_Assignment.pdf" class="more">OID Assignment</a> (1.3.6.1.4.1.63420.1)</li>
-                <li><a href="https://repo.zhanganjun.com/PKI/cross-sign/" class="more">Cross-Sign Root CA Repository</a></li>
+                <li><a href="https://repo.zhanganjun.com/PKI/cacerts/cross-sign/" class="more">Cross-Sign Root CA Repository</a></li>
                 <li><a href="https://crt.sh" class="more">crt.sh</a> (Certificate Search)</li>
                 <li><a href="https://zaj.statuspage.io/" class="more">System Status</a></li>
-                <li><a href="https://github.com/CitizenBeta/PKI" class="more">GitHub Repository</a> (v2.0)</li>
+                <li><a href="https://github.com/CitizenBeta/PKI" class="more">GitHub Repository</a> (v2.1)</li>
             </ul>
         </div>
     </div>
@@ -141,7 +141,7 @@
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                 <tr>
                     <td>
-                        Zhang Anjun offers free certificate issuance service. <br>
+                        I have been offering free certificate issuance services since 2021. <br>
                         Contact Zhang Anjun at <a href="mailto:admin@zhanganjun.com" class="more">admin@zhanganjun.com</a>.
                     </td>
                 </tr>