diff --git a/static/js/pages/market.js b/static/js/pages/market.js
index 5c7c430..a103b5f 100644
--- a/static/js/pages/market.js
+++ b/static/js/pages/market.js
@@ -34,8 +34,12 @@ const PageMarket = {
             const res = await fetch(endpoint);
             const data = await res.json();
             const items = data.items || [];
+
+            let localIds = [];
+            try { const lr = await fetch('/api/dashboards?category=all'); const ld = await lr.json(); if (Array.isArray(ld)) localIds = ld.map(d => d.id); } catch(e) {}
+
             if (!items.length) { grid.innerHTML = this._emptyHtml(isScene ? '暂无场景' : '暂无仪表盘'); return; }
-            grid.innerHTML = items.map(d => this._cardHtml(d, isScene)).join('');
+            grid.innerHTML = items.map(d => this._cardHtml(d, isScene, localIds.includes(d.name || d.id))).join('');
         } catch (e) { grid.innerHTML = '<div style="text-align:center;padding:40px;color:var(--danger);">加载失败</div>'; }
     },
 
@@ -58,9 +62,9 @@ const PageMarket = {
         } catch (e) { grid.innerHTML = '<div style="text-align:center;padding:40px;color:var(--danger);">加载失败</div>'; }
     },
 
-    _cardHtml(d, isScene) {
+    _cardHtml(d, isScene, installed) {
         const icon = isScene ? '🎬' : (d.icon || '📦');
-        const btnLabel = isScene ? '安装场景' : '安装';
+        const label = installed ? '已安装' : (isScene ? '安装场景' : '安装');
         const btnClass = isScene ? 'btn-m-install-scene' : 'btn-m-install';
         return `<div class="glass-card theme-card">
             <div class="theme-card-preview">${icon}</div>
@@ -72,7 +76,7 @@ const PageMarket = {
                 <div class="theme-card-meta" style="margin-top:4px">
                     <span>${d.author||''}</span><span style="color:var(--text-tertiary)">${d.downloads||0} 次</span>
                 </div>
-                <button class="btn btn-sm btn-primary ${btnClass}" data-id="${d.id}" data-file="${d.file||''}" style="margin-top:8px;width:100%">${btnLabel}</button>
+                <button class="btn btn-sm btn-primary ${btnClass}" data-id="${d.id}" data-file="${d.file||''}" style="margin-top:8px;width:100%" ${installed?'disabled':''}>${label}</button>
             </div></div>`;
     },