diff --git a/model/placesitem.cpp b/model/placesitem.cpp
index 2e2476c..ba87969 100644
--- a/model/placesitem.cpp
+++ b/model/placesitem.cpp
@@ -62,9 +62,6 @@ void PlacesItem::setIconPath(const QString &path)
 
 QUrl PlacesItem::url() const
 {
-    if (m_access)
-        return QUrl::fromLocalFile(m_access->filePath());
-
     return m_url;
 }
 
@@ -75,7 +72,10 @@ void PlacesItem::setUrl(const QUrl &url)
 
 QString PlacesItem::path() const
 {
-    return m_url.toString(QUrl::PreferLocalFile);
+    if (m_url.isValid())
+        return m_url.toString(QUrl::PreferLocalFile);
+
+    return QString();
 }
 
 QString PlacesItem::udi() const
diff --git a/model/placesmodel.cpp b/model/placesmodel.cpp
index 3956155..5b28c33 100644
--- a/model/placesmodel.cpp
+++ b/model/placesmodel.cpp
@@ -220,8 +220,12 @@ void PlacesModel::requestSetup(const int &index)
         Solid::Device device = Solid::Device(item->udi());
         Solid::StorageAccess *access = device.as<Solid::StorageAccess>();
         access->setup();
-        connect(access, &Solid::StorageAccess::setupDone, this, [this, access]() {
-            emit deviceSetupDone(access->filePath());
+        connect(access, &Solid::StorageAccess::setupDone, this, [this, item, access]() {
+            if (item) {
+                // 更新信息，让 qml 里的 sidebar 识别到
+                item->setUrl(QUrl::fromLocalFile(access->filePath()));
+                emit deviceSetupDone(access->filePath());
+            }
         });
     }
 }