修复domain white list修改失败的问题

src/main/webapp/WEB-INF/views/cfg/maintenance/dnsResStrategy/form.jsp

@@ -52,7 +52,9 @@ $(function(){
 			}
 			if(flag){
 				var maxTtl=$("[name=maxTtl]").val();
+				maxTtl = parseInt(maxTtl);
 				var minTtl=$("[name=minTtl]").val();
+				minTtl = parseInt(minTtl);
 				if(minTtl>maxTtl){
 					message="<spring:message code='max_shouldnot_less_than_min'/>";
 					$("div[for=maxTtl]").html("<label for=\"maxTtl\" class=\"error\" id=\"maxTtl-error\">"+message+"</label>");