diff --git a/dp4-login-plugin/dp4_login_module.cpp b/dp4-login-plugin/dp4_login_module.cpp
index 0302ba7..21168fa 100644
--- a/dp4-login-plugin/dp4_login_module.cpp
+++ b/dp4-login-plugin/dp4_login_module.cpp
@@ -127,6 +127,7 @@ QString Dp4LoginModule::message(const QString &message)
         retDataObj["ShowBackGroundColor"] = false;
         retDataObj["SwitchUserWhenCheckAccount"] = false;
         retDataObj["AuthType"] = AuthType::AT_Custom;
+        retDataObj["assignAuthType"] = AuthType::AT_Password;
 
         retObj["Data"] = retDataObj;
     } else if (cmdType == "StartAuth") {