diff --git a/flutter/lib/desktop/pages/desktop_setting_page.dart b/flutter/lib/desktop/pages/desktop_setting_page.dart
index 484bd01da..1adbe7010 100644
--- a/flutter/lib/desktop/pages/desktop_setting_page.dart
+++ b/flutter/lib/desktop/pages/desktop_setting_page.dart
@@ -2268,7 +2268,7 @@ void changeSocks5Proxy() async {
                 Expanded(
                   child: TextField(
                     controller: userController,
-                    enabled: isInProgress,
+                    enabled: !isOptFixed,
                   ),
                 ),
               ],