diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/tx/ServiceResult.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/tx/ServiceResult.java
index b2166efa..6765e99e 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/tx/ServiceResult.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/tx/ServiceResult.java
@@ -7,8 +7,8 @@ public class ServiceResult {
 
     public static final String OK = "0";
     public static final String FAIL = "1";
-    public static final String HEX_OK = "01";
-    public static final String HEX_FAIL = "00";
+    public static final String HEX_OK = "00";
+    public static final String HEX_FAIL = "01";
 
     private String code;
     private byte[] binary;