diff --git a/lib/config/app_config.dart b/lib/config/app_config.dart
index 6e22ba5..6286a1c 100644
--- a/lib/config/app_config.dart
+++ b/lib/config/app_config.dart
@@ -1,8 +1,18 @@
-import 'package:openim_common/openim_common.dart' as openim_common;
+enum Environment {
+  production,
+}
 
 class AppConfig {
+  static const Environment currentEnvironment = Environment.production;
+
+  static final Map<Environment, List<String>> _environmentHosts = {
+    Environment.production: [
+      'h5-im.imharry.work',
+    ],
+  };
+
   static List<String> get environmentHosts {
-    return openim_common.Config.environmentHosts;
+    return _environmentHosts[currentEnvironment] ?? const [];
   }
 
   static String get homeUrl {
diff --git a/openim_common/lib/src/config.dart b/openim_common/lib/src/config.dart
index a60a951..aa825b2 100644
--- a/openim_common/lib/src/config.dart
+++ b/openim_common/lib/src/config.dart
@@ -1,17 +1,9 @@
-enum Environment {
-  production,
-}
-
 class Config {
-  static const Environment currentEnvironment = Environment.production;
-
-  static final Map<Environment, List<String>> _environmentHosts = {
-    Environment.production: [
-      'h5-im.imharry.work',
-    ],
-  };
+  static const List<String> defaultEnvironmentHosts = [
+    'h5-im.imharry.work',
+  ];
 
   static List<String> get environmentHosts {
-    return _environmentHosts[currentEnvironment] ?? const [];
+    return defaultEnvironmentHosts;
   }
 }