diff --git a/src/pTaskManagement/TaskManger.cpp b/src/pTaskManagement/TaskManger.cpp
index 34663d7..7a5fb40 100755
--- a/src/pTaskManagement/TaskManger.cpp
+++ b/src/pTaskManagement/TaskManger.cpp
@@ -139,8 +139,8 @@ bool TaskManger::OnNewMail(MOOSMSG_LIST &NewMail)
       Json::Value j;
       Json::Reader a;
       a.parse(msg_str,j);
-      int fault_level = j["FaultLevel"].asInt();
-      if(fault_level != 0)
+      // int fault_level = j["FaultLevel"].asInt();
+      if(j["FaultLevel"] != NULL)
       {
         state = FAULT;
         if(!j["FaultMsgs"].isMember("uMission_status_fault"))