diff --git a/addons/official/view/web/official_common/pc/nav.html b/addons/official/view/web/official_common/pc/nav.html
index b136c30..09764ad 100644
--- a/addons/official/view/web/official_common/pc/nav.html
+++ b/addons/official/view/web/official_common/pc/nav.html
@@ -86,10 +86,10 @@
                                                     <span class="nhc-mega-card-arrow">&rarr;</span>
                                                 </div>
                                             </div>
-                                            <p class="nhc-mega-card-desc">企业私域专属大模型微调，RAG 向量精准检索，内网物理隔离 0 外泄。</p>
+                                            <p class="nhc-mega-card-desc">企业知识库问答与业务系统对接，内网物理隔离，资料不外传。</p>
                                             <div class="nhc-mega-card-tags">
-                                                <span class="nhc-mega-card-tag">RAG向量库</span>
-                                                <span class="nhc-mega-card-tag">私有合规</span>
+                                                <span class="nhc-mega-card-tag">知识库问答</span>
+                                                <span class="nhc-mega-card-tag">内网部署</span>
                                             </div>
                                         </a>
                                     </div>