diff --git a/scripts/installer/Program.cpp b/scripts/installer/Program.cpp
index ef44f81..999c815 100644
--- a/scripts/installer/Program.cpp
+++ b/scripts/installer/Program.cpp
@@ -248,6 +248,70 @@ void validateApplication(const fs::path& directory) {
   if (!fs::exists(asar) || fs::file_size(asar) < 1024 * 1024) fail(L"resources\\app.asar 缺失或不完整。");
 }
 
+bool chooseInstallDirectory(const fs::path& currentTarget, fs::path& selectedTarget) {
+  HRESULT initialized = CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+  IFileOpenDialog* dialog = nullptr;
+  HRESULT result = CoCreateInstance(CLSID_FileOpenDialog, nullptr, CLSCTX_INPROC_SERVER, IID_IFileOpenDialog,
+                                    reinterpret_cast<void**>(&dialog));
+  if (FAILED(result) || !dialog) {
+    if (SUCCEEDED(initialized)) CoUninitialize();
+    fail(L"无法打开安装目录选择窗口。");
+  }
+
+  FILEOPENDIALOGOPTIONS options = 0;
+  dialog->GetOptions(&options);
+  dialog->SetOptions(options | FOS_PICKFOLDERS | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST | FOS_DONTADDTORECENT);
+  dialog->SetTitle(L"选择 RPA Studio 的安装位置");
+  dialog->SetOkButtonLabel(L"选择此文件夹");
+  dialog->SetFileName(L"RPA Studio");
+
+  fs::path initial = currentTarget.parent_path();
+  while (!initial.empty() && !fs::exists(initial)) initial = initial.parent_path();
+  if (!initial.empty()) {
+    IShellItem* initialItem = nullptr;
+    if (SUCCEEDED(SHCreateItemFromParsingName(initial.c_str(), nullptr, IID_IShellItem,
+                                               reinterpret_cast<void**>(&initialItem))) && initialItem) {
+      dialog->SetFolder(initialItem);
+      initialItem->Release();
+    }
+  }
+
+  result = dialog->Show(nullptr);
+  if (result == HRESULT_FROM_WIN32(ERROR_CANCELLED)) {
+    dialog->Release();
+    if (SUCCEEDED(initialized)) CoUninitialize();
+    return false;
+  }
+  if (FAILED(result)) {
+    dialog->Release();
+    if (SUCCEEDED(initialized)) CoUninitialize();
+    fail(L"安装目录选择失败。");
+  }
+
+  IShellItem* selectedItem = nullptr;
+  result = dialog->GetResult(&selectedItem);
+  dialog->Release();
+  if (FAILED(result) || !selectedItem) {
+    if (SUCCEEDED(initialized)) CoUninitialize();
+    fail(L"无法读取所选安装目录。");
+  }
+
+  PWSTR selectedPath = nullptr;
+  result = selectedItem->GetDisplayName(SIGDN_FILESYSPATH, &selectedPath);
+  selectedItem->Release();
+  if (FAILED(result) || !selectedPath) {
+    if (SUCCEEDED(initialized)) CoUninitialize();
+    fail(L"所选位置不是有效的本地文件夹。");
+  }
+
+  fs::path parent(selectedPath);
+  CoTaskMemFree(selectedPath);
+  if (SUCCEEDED(initialized)) CoUninitialize();
+  selectedTarget = lower(parent.filename().wstring()) == L"rpa studio" ? parent : parent / L"RPA Studio";
+  selectedTarget = fs::absolute(selectedTarget).lexically_normal();
+  return true;
+}
+
 void createShortcut(const fs::path& targetExecutable, const fs::path& workingDirectory) {
   HRESULT initialized = CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
   IShellLinkW* shellLink = nullptr;
@@ -350,6 +414,9 @@ int WINAPI wWinMain(HINSTANCE, HINSTANCE, PWSTR, int) {
     silent = options.silent;
     logLine(L"installer started");
     if (!options.silent) {
+      fs::path selectedTarget;
+      if (!chooseInstallDirectory(options.target, selectedTarget)) return 0;
+      options.target = selectedTarget;
       std::wstring prompt = L"将 RPA Studio __PRODUCT_VERSION__ 安装到当前 Windows 用户？\r\n\r\n安装位置：" +
                             options.target.wstring();
       if (MessageBoxW(nullptr, prompt.c_str(), L"RPA Studio 安装", MB_YESNO | MB_ICONQUESTION | MB_SETFOREGROUND) != IDYES)