diff --git a/_docs/img/ui-demo.png b/_docs/img/ui-demo.png
index c4951fca..64895dcd 100644
Binary files a/_docs/img/ui-demo.png and b/_docs/img/ui-demo.png differ
diff --git a/ui/flutter/lib/util/browser_extension_host/entry/browser_extension_host_native.dart b/ui/flutter/lib/util/browser_extension_host/entry/browser_extension_host_native.dart
index b00e4bff..483a9e94 100644
--- a/ui/flutter/lib/util/browser_extension_host/entry/browser_extension_host_native.dart
+++ b/ui/flutter/lib/util/browser_extension_host/entry/browser_extension_host_native.dart
@@ -14,10 +14,14 @@ const _hostName = 'com.gopeed.gopeed';
 const _chromeExtensionId = 'mijpgljlfcapndmchhjffkpckknofcnd';
 const _edgeExtensionId = 'dkajnckekendchdleoaenoophcobooce';
 const _firefoxExtensionId = '{c5d69a8f-2ed0-46a7-afa4-b3a00dc58088}';
-const _debugExtensionIds = [
-  'gjddllnejledbfaeondocjpejpamclkk',
-  'goaohdfiokcjapgonhofgljfccoccief'
-];
+
+List<String> get _debugExtensionIds {
+  final envValue = Platform.environment['GOPEED_DEBUG_EXTENSION_IDS'] ?? '';
+  if (envValue.isNotEmpty) {
+    return envValue.split(',').map((id) => id.trim()).toList();
+  }
+  return [];
+}
 
 // Windows NativeMessagingHosts registry constants
 const _chromeNativeHostsKey = r'Software\Google\Chrome\NativeMessagingHosts';