diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/operation/Operation.java b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/operation/Operation.java
index ba896672b..ab91795fa 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/operation/Operation.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/operation/Operation.java
@@ -32,8 +32,8 @@ public class Operation {
      */
     private Map<String, Object> param;
         public final static String CLIENT = "CLIENT";
-        public final static String FAULT = "fault";
-        public final static String OTHER = "other";
+        public final static String FAULT = "FAULT";
+        public final static String OTHER = "OTHER";
 
 
     /**