update okx explorer

Author: qq840767465

docs/tools/index.md

@@ -69,11 +69,11 @@ hide:
       </a>
    </div>
    <div class="grid-item">
-      <a href="https://polygonscan.com/">
+      <a href="https://www.okx.com/web3/explorer/polygon">
          <div class="product-list-item-header">
             <div class="feature-card-heading">Block explorers</div>
          </div>
-         <p class="feature-paragraph">Quick links to useful block explorers such as https://polygonscan.com/ for example.</p>
+         <p class="feature-paragraph">Quick links to useful block explorers such as OKX explorer.</p>
       </a>
    </div>
    <div class="grid-item">

mkdocs.yml

@@ -519,10 +519,11 @@ nav:
           - WalletKit:  tools/wallets/walletkit.md
           - Web3Modal: tools/wallets/using-web3modal.md
       - Block explorers:
+          - OKX explorer: https://www.okx.com/web3/explorer/polygon      
           - Polygon: https://polygonscan.com/ 
           - zkEVM: https://zkevm.polygonscan.com/
           - zkEVM testnet: https://testnet-zkevm.polygonscan.com/
-          - OKLink: https://www.oklink.com/polygon
+
   - Learn:
       - Learn: learn/index.md
       - Welcome: learn/welcome.md