diff --git a/srcs/open_dhcp/query.cpp b/srcs/open_dhcp/query.cpp
index b261338..e4d0249 100644
--- a/srcs/open_dhcp/query.cpp
+++ b/srcs/open_dhcp/query.cpp
@@ -458,13 +458,16 @@ static int delete_dhcpd_rangeset(data19 *req, const char *pRequest){
                 if(!deleted_flag){
                     if((st_addr == cfig.dhcpRanges[m].rangeStart) && (en_addr == cfig.dhcpRanges[m].rangeEnd)){
                         deleted_flag = true;
-                        memset(&cfig.dhcpRanges[m], 0, sizeof(struct data19));
+                        if(m == cfig.rangeCount-1){
+                            memset(&cfig.dhcpRanges[m], 0, sizeof(struct data19));
+                        }
                         continue;
                     }else if(st_addr == cfig.dhcpRanges[m].rangeStart||en_addr == cfig.dhcpRanges[m].rangeEnd){
                         deleted_flag = false;
                         break;
                     }
                 }else{
+                    cfig.dhcpRanges[m].rangeSetInd = m-1;
                     memcpy(&(cfig.dhcpRanges[m-1]), &(cfig.dhcpRanges[m]), sizeof(struct data19));
                 }
             }
@@ -560,6 +563,8 @@ static int query_dhcpd_rangeset(data19 *req){
                 opPointer++;
 
                 memcpy(op.value, opPointer, op.size);
+                printf("***op->addr=%X***\n", cfig.dhcpRanges[rangeInd].options);
+                printf("op.opt_code=%d\n", op.opt_code);
                 if(op.opt_code == DHCP_OPTION_DNS){
                     dnsSize = op.size;
                     do {
@@ -582,6 +587,7 @@ static int query_dhcpd_rangeset(data19 *req){
 
                     cJSON_AddStringToObject(pRangeItem, "gateway", gateway);
                 }else if(op.opt_code == DHCP_OPTION_IPADDRLEASE){
+                    printf("***flag!!!***\n");
                     lease = fUInt(op.value);
 
                     cJSON_AddNumberToObject(pRangeItem, "lease", lease);