diff --git a/src/quic_util.c b/src/quic_util.c
deleted file mode 100644
index e00b3e2..0000000
--- a/src/quic_util.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * quic_util.c
- *
- *  Created on: 2019Äê4ÔÂ4ÈÕ
- *      Author: root
- */
-#include "quic_analysis.h"
-#include<stdio.h>
-extern struct quic_param_t g_quic_param;
-
-
-bool a_readUInt64(UINT64* buf, char* quic_data, UINT32 quic_data_len, UINT32* offset){
-	return a_readBytes(buf, sizeof(*buf), quic_data, quic_data_len, offset);
-}
-
-bool a_readUInt32(UINT32* buf, char* quic_data, UINT32 quic_data_len, UINT32* offset){
-	return a_readBytes(buf, sizeof(*buf), quic_data, quic_data_len, offset);
-}
-
-bool a_readUInt8(UINT8* buf, char* quic_data, UINT32 quic_data_len, UINT32* offset){
-	return a_readBytes(buf, sizeof(*buf), quic_data, quic_data_len, offset);
-}
-
-bool a_readUInt16(UINT16* buf, char* quic_data, UINT32 quic_data_len, UINT32* offset){
-	return a_readBytes(buf, sizeof(*buf), quic_data, quic_data_len, offset);
-}
-
-bool a_readBytes(void* buf, UINT32 len, char * quic_data, UINT32 quic_data_len, UINT32* quic_offset) {
-	UINT32 offset = *quic_offset;
-	if (!a_canRead(len, quic_data_len, offset)) {
-		return false;
-	}
-	memcpy(buf, quic_data + offset, len);
-	offset += len;
-	*quic_offset = offset;
-	return true;
-}
-
-bool a_canRead(size_t bytes, UINT32 g_len_t, UINT32 g_pos_t) {
-	if(g_pos_t >= g_len_t){
-		return false;
-	}
-    return bytes <= (g_len_t - g_pos_t);
-}
-
-UINT64 a_pletoh64(const void *p, UINT32 offset)
-{
-    return (UINT64)*((const UINT8 *)(p)+7+offset)<<56|
-           (UINT64)*((const UINT8 *)(p)+6+offset)<<48|
-           (UINT64)*((const UINT8 *)(p)+5+offset)<<40|
-           (UINT64)*((const UINT8 *)(p)+4+offset)<<32|
-           (UINT64)*((const UINT8 *)(p)+3+offset)<<24|
-           (UINT64)*((const UINT8 *)(p)+2+offset)<<16|
-           (UINT64)*((const UINT8 *)(p)+1+offset)<<8|
-           (UINT64)*((const UINT8 *)(p)+0+offset)<<0;
-}
-UINT64 a_pletoh48(const void *p, UINT32 offset)
-{
-    return (UINT64)*((const UINT8 *)(p)+5+offset)<<40|
-           (UINT64)*((const UINT8 *)(p)+4+offset)<<32|
-		   (UINT64)*((const UINT8 *)(p)+3+offset)<<24|
-		   (UINT64)*((const UINT8 *)(p)+2+offset)<<16|
-           (UINT64)*((const UINT8 *)(p)+1+offset)<<8|
-           (UINT64)*((const UINT8 *)(p)+0+offset)<<0;
-}
-
-UINT32 a_pletoh32(const void *p, UINT32 offset)
-{
-    return (UINT32)*((const UINT8 *)(p)+3+offset)<<24|
-           (UINT32)*((const UINT8 *)(p)+2+offset)<<16|
-           (UINT32)*((const UINT8 *)(p)+1+offset)<<8|
-           (UINT32)*((const UINT8 *)(p)+0+offset)<<0;
-}
-
-UINT32 a_pletoh24(const void *p, UINT32 offset)
-{
-    return (UINT32)*((const UINT8 *)(p)+2+offset)<<16|
-           (UINT32)*((const UINT8 *)(p)+1+offset)<<8|
-           (UINT32)*((const UINT8 *)(p)+0+offset)<<0;
-}
-
-//UINT16 a_pletoh16(const void *p)
-//{
-//	UINT32 offset = g_pos_t;
-//    return (UINT16)*((const UINT8 *)(p)+0+offset)<<0|
-//           (UINT16)*((const UINT8 *)(p)+1+offset)<<8;
-//}
-
-UINT16 a_pletoh16(const void *p, UINT32 offset){
-	return (UINT16)*((const UINT8 *)(p)+0+offset)<<0|
-	           (UINT16)*((const UINT8 *)(p)+1+offset)<<8;
-}
-
-UINT16 a_pntoh16(const void *p, UINT32 offset)
-{
-    return (UINT16)*((const UINT8 *)(p)+1+offset)<<0|
-           (UINT16)*((const UINT8 *)(p)+0+offset)<<8;
-}
-
-
-UINT32 a_pntoh24(const void *p, UINT32 offset)
-{
-    return (UINT32)*((const UINT8 *)(p)+0+offset)<<16|
-           (UINT32)*((const UINT8 *)(p)+1+offset)<<8|
-           (UINT32)*((const UINT8 *)(p)+2+offset)<<0;
-}
-
-UINT32 a_pntoh32(const void *p, UINT32 offset)
-{
-    return (UINT32)*((const UINT8 *)(p)+0+offset)<<24|
-           (UINT32)*((const UINT8 *)(p)+1+offset)<<16|
-           (UINT32)*((const UINT8 *)(p)+2+offset)<<8|
-           (UINT32)*((const UINT8 *)(p)+3+offset)<<0;
-}
-
-UINT64 a_pntoh48(const void *p, UINT32 offset)
-{
-    return (UINT64)*((const UINT8 *)(p)+0+offset)<<40|
-           (UINT64)*((const UINT8 *)(p)+1+offset)<<32|
-           (UINT64)*((const UINT8 *)(p)+2+offset)<<24|
-           (UINT64)*((const UINT8 *)(p)+3+offset)<<16|
-           (UINT64)*((const UINT8 *)(p)+4+offset)<<8|
-           (UINT64)*((const UINT8 *)(p)+5+offset)<<0;
-}
-
-UINT64 a_pntoh64(const void *p, UINT32 offset)
-{
-    return (UINT64)*((const UINT8 *)(p)+0+offset)<<56|
-           (UINT64)*((const UINT8 *)(p)+1+offset)<<48|
-           (UINT64)*((const UINT8 *)(p)+2+offset)<<40|
-           (UINT64)*((const UINT8 *)(p)+3+offset)<<32|
-           (UINT64)*((const UINT8 *)(p)+4+offset)<<24|
-           (UINT64)*((const UINT8 *)(p)+5+offset)<<16|
-           (UINT64)*((const UINT8 *)(p)+6+offset)<<8|
-           (UINT64)*((const UINT8 *)(p)+7+offset)<<0;
-}
-
-void a_phton64(UINT8 *p, UINT64 v) {
-    p[0] = (UINT8)(v >> 56);
-    p[1] = (UINT8)(v >> 48);
-    p[2] = (UINT8)(v >> 40);
-    p[3] = (UINT8)(v >> 32);
-    p[4] = (UINT8)(v >> 24);
-    p[5] = (UINT8)(v >> 16);
-    p[6] = (UINT8)(v >> 8);
-    p[7] = (UINT8)(v >> 0);
-}
-
-int get_remaining_len(UINT32 g_len_t, UINT32 offset){
-	return g_len_t - offset;
-}
-
-void a_ntoa( unsigned int in, char *buffer)
-{
-    unsigned char *bytes = (unsigned char *) &in;
-    snprintf( buffer, 15, "%d.%d.%d.%d", bytes[0], bytes[1], bytes[2], bytes[3] );
-}
-
-//char* a_ntoa( unsigned int in, char * str)
-//{
-//
-//	char buffer[64];
-//    unsigned char *bytes = (unsigned char *) &in;
-//    printf("%s  %d.%d.%d.%d\t", str, bytes[0], bytes[1], bytes[2], bytes[3] );
-//    snprintf( buffer, sizeof (buffer), "%d.%d.%d.%d", bytes[0], bytes[1], bytes[2], bytes[3] );
-//    return buffer;
-//}