fix: refresh market grid after install

static/js/pages/market.js

@@ -163,6 +163,7 @@ const PageMarket = {
                 const data = await res.json();
                 if (data.ok) {
                     Toast.show('安装成功！请在仪表盘页面查看', 'success', 4000);
+                    this._loadItems();
                 } else {
                     Toast.show('安装失败: ' + (data.error||'请求异常'), 'error');
                 }