diff --git a/src/main/java/com/nis/web/controller/configuration/manipulation/DdosCfgController.java b/src/main/java/com/nis/web/controller/configuration/manipulation/DdosCfgController.java
index 4c67bc019..d098fc5f3 100644
--- a/src/main/java/com/nis/web/controller/configuration/manipulation/DdosCfgController.java
+++ b/src/main/java/com/nis/web/controller/configuration/manipulation/DdosCfgController.java
@@ -58,6 +58,12 @@ public class DdosCfgController extends BaseController {
 			@ModelAttribute("cfg") DdosIpCfg cfg) {
 		if (!StringUtil.isEmpty(ids)) {
 			cfg = ddosCfgService.getDdosIpCfg(Long.parseLong(ids), null);
+			if(cfg.getBpsThreadshold()==0){
+				cfg.setBpsThreadshold(null);
+			};
+			if(cfg.getPpsThreadshold()==0){
+				cfg.setPpsThreadshold(null);
+			};									
 			initUpdateFormCondition(model, cfg);
 		} else {
 			initFormCondition(model, cfg);