diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/handler/UploadRealTimeMonitorHandler.java b/jsowell-netty/src/main/java/com/jsowell/netty/handler/UploadRealTimeMonitorHandler.java
index 6ea6fac0d..2507063f2 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/handler/UploadRealTimeMonitorHandler.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/handler/UploadRealTimeMonitorHandler.java
@@ -237,7 +237,7 @@ public class UploadRealTimeMonitorHandler extends AbstractHandler {
 			int faultCode = 0;
 			for (int i = 0; i < binStr.length(); i++) {
 				if (binStr.charAt(i) == '1') {
-					faultCode = 15 - i;
+					faultCode = 16 - i;
 					break;
 				}
 			}
@@ -341,4 +341,23 @@ public class UploadRealTimeMonitorHandler extends AbstractHandler {
 		return null;
 	}
 
+	public static void main(String[] args) {
+		StringBuffer sb = new StringBuffer("0100");
+		String lowOrder = sb.substring(0, 2);
+		String highOrder = sb.substring(2, 4);
+
+		// String hardwareFault = highOrder + lowOrder;
+		byte[] hardwareFaultByteArr = BytesUtil.str2Bcd(highOrder + lowOrder);
+		String binStr = BytesUtil.bytes2BinStr(hardwareFaultByteArr);
+		// log.info("binStr:{}", binStr); // 0000 0000 0000 0001
+		int faultCode = 0;
+		for (int i = 0; i < binStr.length(); i++) {
+			if (binStr.charAt(i) == '1') {
+				faultCode = 16 - i;
+				break;
+			}
+		}
+		String faultReason = YKCPileFaultReasonEnum.getValueByCode(faultCode);
+		System.out.println(faultReason);
+	}
 }