diff --git a/kni_comm.c b/kni_comm.c
index 6fb2476..556b540 100644
--- a/kni_comm.c
+++ b/kni_comm.c
@@ -488,13 +488,14 @@ int kni_filestate2_init()
 	g_kni_fs2_info.field_id[FS_SSL]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_ssl");
 	g_kni_fs2_info.field_id[FS_CLIENT_HELLO]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_hello");
 	g_kni_fs2_info.field_id[FS_SNI]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_sni");
-	g_kni_fs2_info.field_id[FS_NOT_HTTP_SSL]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_not_identify");
+	g_kni_fs2_info.field_id[FS_NOT_HTTP_SSL]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_unknown");
+	g_kni_fs2_info.field_id[FS_NOT_DOUBLE]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT, "link_asym");
+	g_kni_fs2_info.field_id[FS_NOT_HIT]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_not_hit");
 	g_kni_fs2_info.field_id[FS_WHITELIST]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_whitelist");
 	g_kni_fs2_info.field_id[FS_INTERCEPT]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_intercept");
 	g_kni_fs2_info.field_id[FS_REDIRECT]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_redirect");
 	g_kni_fs2_info.field_id[FS_REDIRECT_REPLY]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"redirect_reply");
 	g_kni_fs2_info.field_id[FS_RATELIMIT]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_ratelimit");
-	g_kni_fs2_info.field_id[FS_NOT_HIT]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"link_not_hit");
 	g_kni_fs2_info.field_id[FS_RATELIMIT_UDP]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"ratelimit_udp_pkt");
 	g_kni_fs2_info.field_id[FS_REPLACE_UDP]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"replace_udp_pkt");
 	g_kni_fs2_info.field_id[FS_REPAIR_TOTAL]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"repair_total");
@@ -526,11 +527,6 @@ int kni_filestate2_init()
 	g_kni_fs2_info.field_id[FS_HTABLE_ADD]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"add_htab");
 	g_kni_fs2_info.field_id[FS_HTABLE_DEL]=FS_register(g_kni_fs2_info.handler, FS_STYLE_FIELD, FS_CALC_CURRENT,"del_htab");
 
-
-
-
-
-
 	g_kni_fs2_info.metric_tun_read=FS_register_histogram(g_kni_fs2_info.handler, FS_CALC_CURRENT, "tun_read(us)" ,1,1000000,2);
 	g_kni_fs2_info.metric_forward=FS_register_histogram(g_kni_fs2_info.handler, FS_CALC_CURRENT, "forward(us)" ,1,1000000,2);
 	g_kni_fs2_info.metric_sapp_proc=FS_register_histogram(g_kni_fs2_info.handler, FS_CALC_CURRENT, "sapp_proc(us)" ,1,1000000,2);
diff --git a/kni_comm.h b/kni_comm.h
index f2db944..a4969f6 100644
--- a/kni_comm.h
+++ b/kni_comm.h
@@ -21,6 +21,7 @@ enum kni_FS_COLUME
 	FS_CLIENT_HELLO,
 	FS_SNI,
 	FS_NOT_HTTP_SSL,
+	FS_NOT_DOUBLE,
 	FS_WHITELIST,
 	FS_INTERCEPT,
 	FS_RATELIMIT,
diff --git a/kni_entry.c b/kni_entry.c
index c3d5373..3f75a42 100644
--- a/kni_entry.c
+++ b/kni_entry.c
@@ -566,6 +566,7 @@ char kni_first_tcpdata(const struct streaminfo* pstream,const void* a_packet,str
 
 	if(pstream->dir != DIR_DOUBLE)
     {
+    	kni_filestate2_set(pstream->threadnum,FS_NOT_DOUBLE,0,1);
         kni_log_info((char*)KNI_MODULE_INFO,&(pstream->addr),pmeinfo->protocol,domain,(char*)"NOT-DOUBLE",(char*)"BYPASS",pmeinfo);
         return ret;
     }