diff --git a/depends/ssr-native b/depends/ssr-native
index 0db50d7..93fb0d8 160000
--- a/depends/ssr-native
+++ b/depends/ssr-native
@@ -1 +1 @@
-Subproject commit 0db50d74d129f4ffcc554c2ced228e8249634cf8
+Subproject commit 93fb0d8b3fde863d34fd8e086e663f15dc6d0c2c
diff --git a/src/ssrWin/main.c b/src/ssrWin/main.c
index 2b2895f..c8047f6 100644
--- a/src/ssrWin/main.c
+++ b/src/ssrWin/main.c
@@ -888,7 +888,7 @@ static INT_PTR CALLBACK QrCodeDlgProc(HWND hDlg, UINT uMessage, WPARAM wParam, L
     static struct server_config* config;
     HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtrW(hDlg, GWLP_HINSTANCE);
     HICON hIconApp;
-    static char* qrcode_str;
+    static char* qrcode_str = NULL;
     static HBITMAP hBmp = NULL;
     HDC dc, mdc;
     RECT rc;