diff --git a/oneinai.html b/oneinai.html
index 5c760fe..92392bf 100644
--- a/oneinai.html
+++ b/oneinai.html
@@ -977,6 +977,14 @@
               <path d='M21 14v5a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5'></path>
             </svg>
           </a>
+          <a href='https://docs.oneinai.com/' target='_blank' rel='noopener' class='btn btn-secondary'>
+            <span>&#x63a5;&#x5165;&#x6587;&#x6863;</span>
+            <svg class='icon' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' aria-hidden='true'>
+              <path d='M12 7v14'></path>
+              <path d='M3 18a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1h5a4 4 0 0 1 4 4v13a4 4 0 0 0-4-4Z'></path>
+              <path d='M21 18a1 1 0 0 0 1-1V4a1 1 0 0 0-1-1h-5a4 4 0 0 0-4 4v13a4 4 0 0 1 4-4Z'></path>
+            </svg>
+          </a>
         </div>
         <div class='trust-grid'>
           <div class='trust-item'>