diff --git a/src/app/main.cpp b/src/app/main.cpp
index faaae99..1a4b111 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -1959,9 +1959,9 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
     // 对象树右键菜单动作路由。
     QObject::connect(
         objectTree, &geopro::app::ObjectTreePanel::contextActionRequested, &window,
-        [&nav, &projectRepo, &window, anomalyTabGroup, toast, objAttrView, objectTree](
-            const QString& action, const QString& id, int confType, const QString& typeId,
-            const QString& name) {
+        [&nav, &projectRepo, &window, anomalyTabGroup, toast, objAttrView, objectTree,
+         &localRadarStore](const QString& action, const QString& id, int confType,
+                            const QString& typeId, const QString& name) {
             if (action == QStringLiteral("properties")) {
                 nav.selectObject(id, confType);
                 // 右键「属性」：用可编辑面板渲染（与左键单击同口径）。
@@ -2536,6 +2536,7 @@ int main(int argc, char* argv[])
         const QString appDir = QCoreApplication::applicationDirPath();
         const QStringList candidates = {
             appDir + QStringLiteral("/sampledata"),
+            QDir::cleanPath(appDir + QStringLiteral("/../../../../docs/剖面网格数据的色阶数据2等文件")),
             QStringLiteral("D:/Git/lanbingtech/geopro/docs/剖面网格数据的色阶数据2等文件"),
         };
         for (const auto& c : candidates) {
diff --git a/src/net/ApiClient.cpp b/src/net/ApiClient.cpp
index f8a94df..9887ce7 100644
--- a/src/net/ApiClient.cpp
+++ b/src/net/ApiClient.cpp
@@ -30,6 +30,7 @@ struct ApiClient::Impl {
     QNetworkRequest buildRequest(const QString& path) const {
         QNetworkRequest req{QUrl(baseUrl + path)};
         req.setHeader(QNetworkRequest::ContentTypeHeader, QString::fromLatin1(kContentTypeJson));
+        req.setTransferTimeout(15000);  // 15 秒超时：避免服务器不可达时 UI 永久卡住
         if (!token.isEmpty()) {
             req.setRawHeader(QByteArray(kTokenHeader), token.toUtf8());
         }
@@ -100,6 +101,7 @@ IApiCall* ApiClient::postMultipartAsync(const QString& path,
 
     // multipart 自带 boundary 的 Content-Type：用不含 JSON 头的请求，只保留 token。
     QNetworkRequest req{QUrl(impl_->baseUrl + path)};
+    req.setTransferTimeout(15000);
     if (!impl_->token.isEmpty()) req.setRawHeader(QByteArray(kTokenHeader), impl_->token.toUtf8());
 
     QNetworkReply* reply = impl_->nam.post(req, multi);