diff --git a/lib/api/login_api_client.dart b/lib/api/login_api_client.dart
index 6799ed3..2d43d44 100644
--- a/lib/api/login_api_client.dart
+++ b/lib/api/login_api_client.dart
@@ -241,7 +241,6 @@ class LoginApiClient {
     };
     postParams.addAll(AppState().postParamsJson);
     postParams["smsSignature"] = sig ?? "";
-    postParams["SMSSignature"] = sig ?? "";
     return await ApiClient().postJsonForObject((json) => GenericResponseModel.fromJson(json).basicMemberInformation, url, postParams);
   }
 
@@ -424,8 +423,9 @@ class LoginApiClient {
       "P_DEP_NATIONAL_ID": nationalId,
       "P_USER_NAME": nationalId,
       "LogInTokenID": logInTokenID,
-      "smsSignature": sig ?? "",
-      "SMSSignature": sig ?? "",
+      "NotificationCenterAppGUID": ApiConsts.notificationCenterAppGUID,
+      "NotificationCenterAppSeviceGUID": ApiConsts.notificationCenterLoginServiceGUID,
+      "smsSignature": (sig != null && sig.isNotEmpty) ? sig : "",
     };
     return await ApiClient().postJsonForObject((json) {
       GenericResponseModel responseData = GenericResponseModel.fromJson(json);