diff --git a/static/app.js b/static/app.js
index 96766f3..332860d 100644
--- a/static/app.js
+++ b/static/app.js
@@ -249,6 +249,8 @@ window.switchTab = switchTab;
 window.switchTenant = (tenant) => {
   state.tenant = tenant;
   state.projectView = null;
+  const label = tenant.replace("·无界", "");
+  document.querySelector("#workspaceTitle").textContent = label + " OPC 工作台";
   load();
 };
 
diff --git a/templates/index.html b/templates/index.html
index d98a084..a9e379e 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -31,7 +31,7 @@
         <div>
           <p class="eyebrow text-xs font-semibold uppercase tracking-[0.18em] text-blue-700">OPC Manager</p>
           <div class="flex items-center gap-3 mt-1">
-            <h1 class="text-2xl font-semibold">无界 OPC 工作台</h1>
+            <h1 class="text-2xl font-semibold" id="workspaceTitle">科普 OPC 工作台</h1>
             <select id="tenantSelect" class="rounded-md border border-slate-200 bg-white px-3 py-1.5 text-sm font-medium text-slate-700 outline-none focus:border-blue-500" onchange="switchTenant(this.value)">
               <option value="科普·无界">科普·无界</option>
               <option value="科研·无界">科研·无界</option>