diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java
index a08231c8..8c96a8e8 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java
@@ -344,7 +344,7 @@ public class XmlUtil {
                     if (!ObjectUtils.isEmpty(civilCode)
                             && civilCode.length() <= 8
                             && NumberUtils.isParsable(civilCode)
-                            && Integer.parseInt(civilCode)%2 == 0
+                            && civilCode.length()%2 == 0
                     ) {
                         deviceChannel.setCivilCode(civilCode);
                     }