diff --git a/plugin/business/decrypt-mirroring/src/decrypt_mirror_plugin.cpp b/plugin/business/decrypt-mirroring/src/decrypt_mirror_plugin.cpp
index 481c9c1..697c091 100644
--- a/plugin/business/decrypt-mirroring/src/decrypt_mirror_plugin.cpp
+++ b/plugin/business/decrypt-mirroring/src/decrypt_mirror_plugin.cpp
@@ -1,32 +1,32 @@
 #include "mirror_stream.h"
 #include <tfe_stream.h>
-#include <tfe_utils.h>
 #include <tfe_plugin.h>
 #include <assert.h>
 
+
+extern unsigned int tfe_proxy_get_work_thread_count(void);
+
 int decrypt_mirror_init(struct tfe_proxy * proxy)
 {
 	const char* filepath="./conf/tfe/decrypt_mirror.conf";
-	int thread_num=2;
-	UNUSED int ret=0;//todo: aquire from proxy;
+	int ret=0;
+	int thread_num = tfe_proxy_get_work_thread_count();
 	ret=mirror_stream_init(thread_num, filepath);
-//	assert(ret==0);
-	return 0;
+	return ret;
 }
 
 int decrypt_mirror_on_open_cb(const struct tfe_stream * stream, unsigned int thread_id,
 	enum tfe_conn_dir dir, void ** pme)
 {
-	UNUSED int ret=0;
+	int ret=0;
 	ret=mirror_stream_open(thread_id, stream->addr, pme);
-//	assert(ret==0);
-	return 0;
+	return ret;
 }
 
 enum tfe_stream_action decrypt_mirror_on_data_cb(const struct tfe_stream * stream, unsigned int thread_id,
 	enum tfe_conn_dir dir, const unsigned char * data, size_t len, void ** pme)
 {
-	UNUSED int ret=0;
+	int ret=0;
 	ret=mirror_stream_write(dir, data,len, pme, thread_id);
 	return ACTION_FORWARD_DATA;
 }
diff --git a/plugin/business/decrypt-mirroring/src/mirror_stream.cpp b/plugin/business/decrypt-mirroring/src/mirror_stream.cpp
index 6533d39..ba89855 100644
--- a/plugin/business/decrypt-mirroring/src/mirror_stream.cpp
+++ b/plugin/business/decrypt-mirroring/src/mirror_stream.cpp
@@ -553,7 +553,9 @@ int mirror_stream_write(int cur_dir,const unsigned char * data, size_t len, void
 	const unsigned char* payload=data;
 	int payload_len=0;
 	int remain_len=len;
-	int pkt_num=(len/(g_deliver_globle_info.sendinfo.mtu))+1;
+	int max_payloadlen_per=0;
+	int pkt_num=0;
+//	int pkt_num=(len/(g_deliver_globle_info.sendinfo.mtu))+1;
 	struct deliver_pme_info* pmeinfo=(struct deliver_pme_info*)*pme;
 
 	
@@ -565,22 +567,31 @@ int mirror_stream_write(int cur_dir,const unsigned char * data, size_t len, void
 	if(pmeinfo->addr_info->addrtype==TFE_ADDR_STREAM_TUPLE4_V4)
 	{
 		deliver_debug_log_v4(RLOG_LV_DEBUG,(char*)DELIVER_RECVPKT_DEBUG,pmeinfo,DELIVER_FLAG_RECVPKT,len);
+		max_payloadlen_per=g_deliver_globle_info.sendinfo.mtu-sizeof(struct mesa_tcp_hdr)-sizeof(struct mesa_ip4_hdr);
 	}
 	else if(pmeinfo->addr_info->addrtype==TFE_ADDR_STREAM_TUPLE4_V6)
 	{
 		deliver_debug_log_v6(RLOG_LV_DEBUG,(char*)DELIVER_RECVPKT_DEBUG,pmeinfo,DELIVER_FLAG_RECVPKT,len);
+		max_payloadlen_per=g_deliver_globle_info.sendinfo.mtu-sizeof(struct mesa_tcp_hdr)-sizeof(struct mesa_ip6_hdr);
 	}
 	else
 	{
 		//TODO
 	}
+
+	pkt_num=(len/(max_payloadlen_per))+1;
 	
 	for(i=0;i<pkt_num;i++)
 	{
+/*
 		payload_len=remain_len<(g_deliver_globle_info.sendinfo.mtu)?remain_len:(g_deliver_globle_info.sendinfo.mtu);
 		payload=data+(len-remain_len);
 		remain_len-=g_deliver_globle_info.sendinfo.mtu;
-	
+*/	
+		payload_len=remain_len<max_payloadlen_per?remain_len:max_payloadlen_per;
+		payload=data+(len-remain_len);
+		remain_len-=max_payloadlen_per;
+
 		deliver_set_pktinfo(pmeinfo,TH_ACK,cur_dir,payload_len);
 		if(pmeinfo->addr_info->addrtype==TFE_ADDR_STREAM_TUPLE4_V4)
 		{
@@ -760,7 +771,7 @@ int mirror_stream_init(int thread_num, const char* filepath)
 	g_deliver_globle_info.sendinfo.send_socket=(int*)malloc(g_deliver_globle_info.sendinfo.thread_num*sizeof(int));
 	for(i=0;i<g_deliver_globle_info.sendinfo.thread_num;i++)
 	{
-		g_deliver_globle_info.sendbuf[i] = (unsigned char*)malloc(g_deliver_globle_info.sendinfo.mtu);
+		g_deliver_globle_info.sendbuf[i] = (unsigned char*)malloc(g_deliver_globle_info.sendinfo.mtu + sizeof(struct mesa_ethernet_hdr));
 	
 		g_deliver_globle_info.sendinfo.send_socket[i]=socket(AF_PACKET,SOCK_RAW,htons(ETH_P_IP));
 		if((g_deliver_globle_info.sendinfo.send_socket[i]<0) ||(g_deliver_globle_info.sendbuf[i]==NULL))