diff --git a/appsrc/service/user_mgr_service.cpp b/appsrc/service/user_mgr_service.cpp
index 3a11b4c..d0a8c13 100644
--- a/appsrc/service/user_mgr_service.cpp
+++ b/appsrc/service/user_mgr_service.cpp
@@ -12,7 +12,7 @@ void UserMgrService::initialize() {
   REG_EXTFN_VOID(unlogin, void());
   REG_EXTFN(addUser, void(string, string, UsrRoleType), name, passwd, roleType);
   REG_EXTFN(chpasswd, void(int, string, string), id, newpasswd, passwd);
-  REG_EXTFN(changeUsrRoleType, void(int, UsrRoleType), name, roleType);
+  REG_EXTFN(changeUsrRoleType, void(int, UsrRoleType), id, roleType);
   REG_EXTFN(delUser, void(int), id);
   REG_EXTFN(updateUserName, void(int, string), id, name);
   REG_EXTFN_VOID(getAllUser, void());