diff --git a/Runtime/Code/Config/GuruServicesConfig.cs b/Runtime/Code/Config/GuruServicesConfig.cs
index bfbf020..f79c368 100644
--- a/Runtime/Code/Config/GuruServicesConfig.cs
+++ b/Runtime/Code/Config/GuruServicesConfig.cs
@@ -59,6 +59,7 @@ namespace Guru
         public bool enable_adjust = true;
         public bool enable_iap = false;
         public double tch020_val = 0;
+        public bool using_uuid = false;
     }
     
     [Serializable]
diff --git a/Runtime/Code/SDK/GuruSDK.cs b/Runtime/Code/SDK/GuruSDK.cs
index 24801aa..c418821 100644
--- a/Runtime/Code/SDK/GuruSDK.cs
+++ b/Runtime/Code/SDK/GuruSDK.cs
@@ -195,7 +195,7 @@ namespace Guru
 
         private void SetupServicesConfig()
         {
-            bool useKeywords = true;
+            bool useKeywords = false;
             bool useIAP = true;
             
             var services = GetRemoteServicesConfig();
@@ -203,45 +203,54 @@ namespace Guru
             {
                 _appServicesConfig = services;
                 useKeywords = _appServicesConfig.IsKeywordsEnabled();
-                
-                if (null != GuruSettings)
-                {
-                    if(_appServicesConfig.adjust_settings != null)
-                    {    
-                        // 更新 Adjust Tokens
-                        GuruSettings.UpdateAdjustTokens(_appServicesConfig.adjust_settings.AndroidToken
-                            ,_appServicesConfig.adjust_settings.iOSToken);
-                        // 更新 Adjust Events
-                        GuruSettings.UpdateAdjustEvents(_appServicesConfig.adjust_settings.events);
-                    }
-                }
                 useIAP = _appServicesConfig.IsIAPEnabled();
-
-                if (_appServicesConfig.app_settings != null)
+                
+          
+                if (null != _appServicesConfig.adjust_settings && null != GuruSettings)
+                {
+                    // 更新 Adjust Tokens
+                    GuruSettings.UpdateAdjustTokens(_appServicesConfig.adjust_settings.AndroidToken
+                        , _appServicesConfig.adjust_settings.iOSToken);
+                    // 更新 Adjust Events
+                    GuruSettings.UpdateAdjustEvents(_appServicesConfig.adjust_settings.events);
+                }
+                
+                if (null != _appServicesConfig.app_settings)
                 {
                     if (_appServicesConfig.app_settings.tch020_val > 0)
                     {
                         Analytics.EnableTch02Event = true;
                         Analytics.SetTch02TargetValue(_appServicesConfig.app_settings.tch020_val);
                     }
-                    
-                    // 更新和升级 GuruSettings 对应的值
-                    GuruSettings.UpdateAppSettings(
-                        _appServicesConfig.app_settings.bundle_id, 
-                        _appServicesConfig.fb_settings.fb_app_id,
-                        _appServicesConfig.app_settings.support_email,
-                        _appServicesConfig.app_settings.privacy_url,
-                        _appServicesConfig.app_settings.terms_url,
-                        _appServicesConfig.app_settings.android_store,
-                        _appServicesConfig.app_settings.ios_store);
+                     
+                    // 设置获取设备 UUID 的方法
+                    if (_appServicesConfig.app_settings.using_uuid)
+                    {
+                        IPMConfig.UsingUUID = true; // 开始使用 UUID 作为 DeviceID 标识
+                    }
+
+                    if (null !=  GuruSettings)
+                    {
+                        // 更新和升级 GuruSettings 对应的值
+                        GuruSettings.UpdateAppSettings(
+                            _appServicesConfig.app_settings.bundle_id,
+                            _appServicesConfig.fb_settings?.fb_app_id ?? "",
+                            _appServicesConfig.app_settings.support_email,
+                            _appServicesConfig.app_settings.privacy_url,
+                            _appServicesConfig.app_settings.terms_url,
+                            _appServicesConfig.app_settings.android_store,
+                            _appServicesConfig.app_settings.ios_store);
+                    }
                 }
             }
             
-            if(useIAP) {
+            if (useIAP)
+            {
                 InitIAP(_initConfig.GoogleKeys, _initConfig.AppleRootCerts); // 初始化IAP
             }
-            
-            if(useKeywords) {
+
+            if (useKeywords)
+            {
                 KeywordsManager.Install(Model.IsIAPUser, Model.SuccessLevelCount); // 启动Keyword管理器
             }
         }