diff --git a/conf/kni.conf b/conf/kni.conf
index f513484..219961d 100644
--- a/conf/kni.conf
+++ b/conf/kni.conf
@@ -86,6 +86,8 @@ mho_thread_safe = 0
 mho_mutex_num = 160
 mho_hash_slot_size = 160000
 mho_hash_max_element_num = 640000
+mho_expire_time = 0
+mho_eliminate_type = LRU
 
 [field_stat]
 remote_switch = 1
diff --git a/entry/src/kni_entry.cpp b/entry/src/kni_entry.cpp
index e12fb3e..597e57f 100644
--- a/entry/src/kni_entry.cpp
+++ b/entry/src/kni_entry.cpp
@@ -919,14 +919,16 @@ static int tuple2stream_htable_add(MESA_htable_handle tuple2stream_htable, addr_
 		struct stream_tuple4_v4 key;
 		tuple2stream_htable_key_get_v4_by_packet(pktinfo, &key, &(value->reversed));
 		ret = MESA_htable_add(tuple2stream_htable, (const unsigned char *)&key, sizeof(key), (const void*)value);
+		char key_str[KNI_ADDR_MAX];
+		kni_addr_trans_v4(&key, key_str, sizeof(key_str));
 		if(ret < 0){
-			char key_str[KNI_ADDR_MAX];
-			kni_addr_trans_v4(&key, key_str, sizeof(key_str));
 			FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_ADD_FAIL], 0, FS_OP_ADD, 1);
 			KNI_LOG_ERROR(logger, "MESA_htable: Failed at add, table = tuple2stream_htable, key = %s, key_size = %d, ret = %d",
 				key_str, sizeof(key), ret);
 		}
 		else{
+			//KNI_LOG_DEBUG(logger, "MESA_htable: Succeed at add, table = tuple2stream_htable, key = %s, key_size = %d, value = %p, ret = %d",
+				key_str, sizeof(key), value, ret);
 			FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_ADD_SUCC], 0, FS_OP_ADD, 1);
 		}
 	}
@@ -1007,21 +1009,27 @@ int tuple2stream_htable_del(MESA_htable_handle handle, const struct streaminfo *
 			KNI_LOG_ERROR(logger, "MESA_htable: Failed at del, table = %s, key = %s, key_size = %d, ret = %d",
 							"tuple2stream_htable", key_str, sizeof(key), ret);
 		}
-		FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_DEL_SUCC], 0, FS_OP_ADD, 1);
+		else{
+			FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_DEL_SUCC], 0, FS_OP_ADD, 1);
+		}
 	}
 	//ipv4
 	else{
 		struct stream_tuple4_v4 key;
 		tuple2stream_htable_key_get_v4_by_stream(stream, &key, &reversed);
 		ret = MESA_htable_del(handle, (const unsigned char *)(&key), sizeof(key), NULL);
+		char key_str[KNI_ADDR_MAX];
+		kni_addr_trans_v4(&key, key_str, sizeof(key_str));
 		if(ret < 0){
-			char key_str[KNI_ADDR_MAX];
-			kni_addr_trans_v4(&key, key_str, sizeof(key_str));
 			FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_DEL_FAIL], 0, FS_OP_ADD, 1);
 			KNI_LOG_ERROR(logger, "MESA_htable: Failed at del, table = %s, key = %s, key_size = %d, ret = %d",
 							"tuple2stream_htable", key_str, sizeof(key), ret);
 		}
-		FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_DEL_SUCC], 0, FS_OP_ADD, 1);
+		else{
+			//KNI_LOG_DEBUG(logger, "MESA_htable: Succeed at del, table = %s, key = %s, key_size = %d, ret = %d",
+							"tuple2stream_htable", key_str, sizeof(key), ret);
+			FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_DEL_SUCC], 0, FS_OP_ADD, 1);
+		}
 	}
 	return ret;
 }
@@ -1523,6 +1531,7 @@ int tuple2stream_htable_search(MESA_htable_handle handle, struct ethhdr *ether_h
 	tuple2stream_htable_value *value = NULL;
 	struct pkt_info pktinfo;
 	int reversed = 0, ret;
+	int key_size = 0;
 	char key_str[KNI_ADDR_MAX];
 	//ipv6
 	if(ether_hdr->h_proto == htons(ETH_P_IPV6)){
@@ -1548,12 +1557,13 @@ int tuple2stream_htable_search(MESA_htable_handle handle, struct ethhdr *ether_h
 			return -1;
 		}
 		struct stream_tuple4_v4 key;
-		kni_addr_trans_v4(&key, key_str, sizeof(key_str));
+		key_size = sizeof(key);
 		tuple2stream_htable_key_get_v4_by_packet(&pktinfo, &key, &reversed);
-		value = (tuple2stream_htable_value*)MESA_htable_search(handle, (const unsigned char*)(&key), sizeof(key));
+		kni_addr_trans_v4(&key, key_str, sizeof(key_str));
+		value = (tuple2stream_htable_value*)MESA_htable_search(handle, (const unsigned char*)(&key), key_size);
 	}
 	if(value == NULL){
-		KNI_LOG_ERROR(logger, "MESA_htable: failed at search, key = %s", key_str);
+		KNI_LOG_ERROR(logger, "MESA_htable: failed at search, table is tuple2stream_htable, key = %s, key_size = %d", key_str, key_size);
 		//FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_TUPLE2STM_SEARCH_FAIL], 0, FS_OP_ADD, 1);
 		return -1;
 	}
@@ -1599,7 +1609,7 @@ extern "C" char kni_polling_all_entry(const struct streaminfo *stream, void** pm
 				continue;
 			}
 			for(int j = 0; j < nr_recv; j++){
-				struct ethhdr *ether_hdr = (struct ethhdr*)marsio_buff_mtod(rx_buffs[i]);
+				struct ethhdr *ether_hdr = (struct ethhdr*)marsio_buff_mtod(rx_buffs[j]);
 				tuple2stream_htable_search(tuple2stream_htable, ether_hdr, thread_seq);
 				flag = 1;
 			}
@@ -2071,11 +2081,11 @@ int dup_traffic_dabloom_init(const char *profile, void *logger){
 	return 0;
 }
 
+/*
 void my_handler(int s){
 	printf("Caught signal %d\n",s);	
 	exit(1);
 }
-
 int register_signal_handle(){
 	struct sigaction sigIntHandler;
 	sigIntHandler.sa_handler = my_handler;
@@ -2084,9 +2094,10 @@ int register_signal_handle(){
 	sigaction(SIGINT, &sigIntHandler, NULL);
 	return 0;
 }
+*/
 
 extern "C" int kni_init(){
-	register_signal_handle();
+	//register_signal_handle();
 	char *kni_git_verison = (char*)KNI_GIT_VERSION;
 	const char *profile = "./etc/kni/kni.conf";
 	const char *section = "global";