diff --git a/srcs/libs/include/proto.h b/srcs/libs/include/proto.h
index aa5d56c..33fbc4a 100644
--- a/srcs/libs/include/proto.h
+++ b/srcs/libs/include/proto.h
@@ -18,12 +18,6 @@ typedef enum {
     CRYPTO_AES256 = 4,
 } PROTO_CRYPTO_TYPE;
 
-typedef enum {
-    TYPE_ADD_RNG = 0,
-    TYPE_DEL_RNG = 1,
-    TYPE_QUE_USR = 2,
-} PROTO_POST_TYPE;
-
 const char *proto_msg_validation(const char *pJsonStr, const char *msgJson, const char *errMsg);
 const char *proto_create_new(cJSON *pMsgCtx, int httpCode);
 const char *proto_decode_context(const char *pString, unsigned int *pVer, unsigned long long *pTm, int *pErrCode);
diff --git a/srcs/opendhcp183/query.cpp b/srcs/opendhcp183/query.cpp
index 67d20e1..f75ecac 100644
--- a/srcs/opendhcp183/query.cpp
+++ b/srcs/opendhcp183/query.cpp
@@ -54,20 +54,20 @@ typedef struct {
 } JSON_POST_CTX;
 
 static JSON_POST_CTX g_add_msg[] = {
-        {R"({"type":"object","required":["rangeSet"]})", "Missing required field [rangeSet]"},
-        {R"({"properties":{"rangeSet":{"type":"array","minItems":1}}})", "No content in field [rangeSet]"},
+        {R"({"type":"object","required":["rangeSet"]})",                                        "Missing required field [rangeSet]"},
+        {R"({"properties":{"rangeSet":{"type":"array","minItems":1}}})",                        "No content in field [rangeSet]"},
         {R"({"properties":{"rangeSet":{"items":{"type":"object","required":["dhcpRange"]}}}})", "Missing required field [dhcpRange]"},
 //        {R"({"properties":{"rangeSet":{"items":{"properties":{"dhcpRange":{"type":"string","minLength":15}}}}}})", "Error in field [dhcpRange]"}
 };
 
 static JSON_POST_CTX g_del_msg[] = {
-        {R"({"type":"object","required":["dhcpRange"]})", "Missing required field [dhcpRange]"},
+        {R"({"type":"object","required":["dhcpRange"]})",                 "Missing required field [dhcpRange]"},
         {R"({"properties":{"dhcpRange":{"type":"array","minItems":1}}})", "No content in field [dhcpRange]"},
 //        {R"({"properties":{"dhcpRange":{"items":{"type":"string","minLength":15}}}})", "Error in field [dhcpRange]"}
 };
 
 static JSON_POST_CTX g_que_msg[] = {
-        {R"({"type":"object","required":["userMac"]})", "Missing required field [userMac]"},
+        {R"({"type":"object","required":["userMac"]})",                 "Missing required field [userMac]"},
         {R"({"properties":{"userMac":{"type":"array","minItems":1}}})", "No content in field [userMac]"},
 //        {R"({"properties":{"userMac":{"items":{"type":"string","minLength":17,"maxLength":17}}}})", "Error in field [userMac]"}
 };
@@ -543,16 +543,25 @@ static int delete_dhcpd_rangeset(const char **pRsp, const char *pRequest) {
         MYDWORD st_addr;
         MYDWORD en_addr;
         mySplit(start, end, del_range, '-');
-        st_addr = htonl(inet_addr(start));
-        en_addr = htonl(inet_addr(end));
 
-        PHASH_MAP s;
-        HASH_FIND_INT(delMap, &st_addr, s);
-        if (s == nullptr) {
-            s        = (PHASH_MAP)malloc(sizeof(HASH_MAP));
-            s->key   = st_addr;
-            s->value = en_addr;
-            HASH_ADD_INT(delMap, key, s);
+        if(isIP(start) && isIP(end)) {
+            st_addr = htonl(inet_addr(start));
+            en_addr = htonl(inet_addr(end));
+
+            PHASH_MAP s;
+            HASH_FIND_INT(delMap, &st_addr, s);
+            if (s == nullptr) {
+                s        = (PHASH_MAP)malloc(sizeof(HASH_MAP));
+                s->key   = st_addr;
+                s->value = en_addr;
+                HASH_ADD_INT(delMap, key, s);
+            }
+        } else {
+            cJSON *pdel_Item = cJSON_CreateObject();
+            cJSON_AddStringToObject(pdel_Item, "dhcpRange", del_range);
+            cJSON_AddNumberToObject(pdel_Item, "status", ERR_INPUT_PARAMS);
+            cJSON_AddStringToObject(pdel_Item, "message", getErrorEnumDesc(ERR_INPUT_PARAMS));
+            cJSON_AddItemToArray(pdelArray, pdel_Item);
         }
     }