diff --git a/src/main/java/com/nis/domain/configuration/DnsResStrategy.java b/src/main/java/com/nis/domain/configuration/DnsResStrategy.java
index f9337612b..1bc76aad7 100644
--- a/src/main/java/com/nis/domain/configuration/DnsResStrategy.java
+++ b/src/main/java/com/nis/domain/configuration/DnsResStrategy.java
@@ -26,8 +26,6 @@ public class DnsResStrategy extends BaseCfg<DnsResStrategy> {
 	private String  group1Name;
 	@Override
 	public void initDefaultValue() {
-		this.resGroup1Num=0;
-		this.resGroup1Num=0;
 		this.resGroup2Id=0;
 		this.resGroup2Num=0;
 		this.resGroup3Id=0;