diff --git a/src/tsg_entry.cpp b/src/tsg_entry.cpp
index 3d902c7..121762e 100644
--- a/src/tsg_entry.cpp
+++ b/src/tsg_entry.cpp
@@ -956,18 +956,6 @@ int session_application_metrics_update(const struct streaminfo *a_stream, struct
 	session_increase_traffic_statis_update(&current_traffic_statis, srt_action_context->last_traffic_statis, &increase_traffic_statis);
 	tsg_set_application_metrics(a_stream, srt_action_context->l4_protocol, app_full_path, &increase_traffic_statis, thread_seq);
 
-#if 0
-	if(a_stream->opstate==OP_STATE_CLOSE || a_stream->pktstate==OP_STATE_CLOSE)
-	{
-		if(srt_action_context->last_traffic_statis!=NULL)
-		{
-			dictator_free(thread_seq, (void *)srt_action_context->last_traffic_statis);
-			srt_action_context->last_traffic_statis=NULL;
-		}
-		
-		return 1;
-	}
-#endif
 	if(srt_action_context->last_traffic_statis==NULL)
 	{
 		srt_action_context->last_traffic_statis=(struct traffic_packet_info *)dictator_malloc(thread_seq, sizeof(struct traffic_packet_info));
diff --git a/src/tsg_send_log.cpp b/src/tsg_send_log.cpp
index df458e2..ed5e6a6 100644
--- a/src/tsg_send_log.cpp
+++ b/src/tsg_send_log.cpp
@@ -1713,11 +1713,6 @@ int set_session_attributes(struct tsg_log_instance_t *_instance, struct TLD_hand
 		TLD_append(_handle, _instance->id2field[LOG_COMMON_TUNNELS_ENDPOINT_B_DESC].name, (void *)srt_attribute->server_endpoint->description, TLD_TYPE_STRING);
 	}
 
-	if(srt_attribute->session_flags>0 && !(TLD_search(_handle, _instance->id2field[LOG_COMMON_FLAGS].name)))
-	{
-		TLD_append(_handle, _instance->id2field[LOG_COMMON_FLAGS].name, (void *)srt_attribute->session_flags, TLD_TYPE_LONG);
-	}
-
 	return 1;
 }
 
diff --git a/test/src/gtest_master.cpp b/test/src/gtest_master.cpp
index 5153a6e..24abc1a 100644
--- a/test/src/gtest_master.cpp
+++ b/test/src/gtest_master.cpp
@@ -1198,10 +1198,42 @@ TEST(TSGMaster, SessionQuicIdentify)
 	g_test_quic_info=NULL;
 }
 
+TEST(TSGMaster, SessionApplicationFullPathTSG13811)
+{
+	char out_full_path[256]={0};
+	int out_full_path_len=sizeof(out_full_path);
+	struct gather_app_result gather_result={0};
+
+	gather_result.l7_protocol_num=1;
+	struct app_attributes l7_protocol={68, 0, 4};
+	gather_result.l7_protocol=&l7_protocol;
+
+	gather_result.qm_engine_num=3;
+	gather_result.l7_qm_engine_num=2;
+	struct app_attributes qm_engine[3]={{199, 0, 6}, {68, 0, 4}, {240, 0, 6}};
+	gather_result.qm_engine=qm_engine;
+
+	int offset=session_application_full_path_combine(&gather_result, out_full_path, out_full_path_len);
+	EXPECT_NE(0, offset);
+	EXPECT_STREQ("ssl.https.youtube", out_full_path);
+
+	// l7 protocol is empty
+	gather_result.l7_protocol_num=0;
+	gather_result.l7_protocol=NULL;
+
+	gather_result.qm_engine_num=3;
+	gather_result.l7_qm_engine_num=0;
+	struct app_attributes qm_engine2[3]={{199, 0, 6}, {68, 0, 4}, {240, 0, 6}};
+	gather_result.qm_engine=qm_engine2;
+
+	offset=session_application_full_path_combine(&gather_result, out_full_path, out_full_path_len);
+	EXPECT_NE(0, offset);
+	EXPECT_STREQ("ssl.https.youtube", out_full_path);
+}
+
 int main(int argc, char *argv[])
 {
 	TSG_MASTER_INIT();
 	testing::InitGoogleTest(&argc, argv);
 	return RUN_ALL_TESTS();
-}
-
+}
\ No newline at end of file