diff --git a/cpp/winsharedutils/webview2_extra.cpp b/cpp/winsharedutils/webview2_extra.cpp
index 062bf283..45a9dd56 100644
--- a/cpp/winsharedutils/webview2_extra.cpp
+++ b/cpp/winsharedutils/webview2_extra.cpp
@@ -251,10 +251,9 @@ DECLARE_API void *add_ContextMenuRequested(void *m_host, int index, const wchar_
                                     ICoreWebView2ContextMenuItem *sender,
                                     IUnknown *args)
                                 {
-                                    LPWSTR selecttext;
+                                    wil::unique_cotaskmem_string selecttext;
                                     CHECK_FAILURE(target->get_SelectionText(&selecttext));
-                                    callback(selecttext);
-                                    // 不需要free，free反而会崩溃
+                                    callback(selecttext.get());
                                     return S_OK;
                                 })
                                 .Get(),