diff --git a/plugin/protocol/http2/include/internal/http2_common.h b/plugin/protocol/http2/include/internal/http2_common.h
index c9e07a2..0e8ade1 100644
--- a/plugin/protocol/http2/include/internal/http2_common.h
+++ b/plugin/protocol/http2/include/internal/http2_common.h
@@ -34,6 +34,7 @@ typedef enum {
 	NGHTTP2_METHOD_POST     = 3,
 	NGHTTP2_METHOD_PUT      = 4,
 	NGHTTP2_METHOD_CONNECT	= 5,
+    NGHTTP2_METHOD_OPTIONS  = 6,
 	NGHTTP2_METHOD_UNKNOWN,
 }nghttp2_method;
 
diff --git a/plugin/protocol/http2/include/internal/http2_stream.h b/plugin/protocol/http2/include/internal/http2_stream.h
index 01085b1..c07535a 100644
--- a/plugin/protocol/http2/include/internal/http2_stream.h
+++ b/plugin/protocol/http2/include/internal/http2_stream.h
@@ -80,7 +80,6 @@ struct h2_stream_data_t{
     TAILQ_ENTRY(h2_stream_data_t) next;
 
     int32_t stream_id;
-    uint16_t frame_type;
 
     int spd_set;
 	int spd_valid;
diff --git a/plugin/protocol/http2/src/http2_stream.cpp b/plugin/protocol/http2/src/http2_stream.cpp
index 5a47efd..4528f20 100644
--- a/plugin/protocol/http2/src/http2_stream.cpp
+++ b/plugin/protocol/http2/src/http2_stream.cpp
@@ -46,6 +46,7 @@ static const struct value_string method_vals[] =
 	{NGHTTP2_METHOD_POST,      "POST"},
 	{NGHTTP2_METHOD_PUT,       "PUT"},
 	{NGHTTP2_METHOD_CONNECT,   "CONNECT"},
+	{NGHTTP2_METHOD_OPTIONS,   "OPTIONS"},
 	{NGHTTP2_METHOD_UNKNOWN,   "unknown"},
 };
 
@@ -803,8 +804,8 @@ nghttp2_submit_frame_rst_stream(struct tfe_session_info_t *session_info,const ng
 	}
 finish:
 	session_info->stream_action = stream_action;
-	TFE_LOG_INFO(logger()->handle, "%s, %d, submit rst stream, stream_id:%d, action:%d", session_info->tf_stream->str_stream_info,
-				  dir, frame->hd.stream_id, session_info->stream_action);
+	TFE_LOG_INFO(logger()->handle, "%s, %d, submit rst stream, stream_id:%d, action:%d, error_code = %d", session_info->tf_stream->str_stream_info,
+				  dir, frame->hd.stream_id, session_info->stream_action, rst_stream->error_code);
 	return 0;
 }
 
@@ -879,6 +880,41 @@ finish:
 	return 0;
 }
 
+void
+nghttp2_write_access_log(struct h2_stream_data_t *h2_stream, const char * str_stream_info)
+{
+	/* Request */
+	struct http2_half_private *req = h2_stream->req;
+	/* Response */
+	struct http2_half_private *resp = h2_stream->resp;
+	/* Req-Public */
+	struct tfe_http_req_spec *req_spec = req ? &(req->half_public.req_spec) : NULL;
+	/* Resp-Public */
+	struct tfe_http_resp_spec *resp_spec = resp ? &(resp->half_public.resp_spec) : NULL;
+
+	const char * method = req_spec ? val_to_str(req_spec->method, method_vals) : "-";
+	const char * url = req_spec ? req_spec->url : "-";
+	char resp_code[TFE_STRING_MAX];
+	if (resp_spec)
+		snprintf(resp_code, sizeof(resp_code) - 1, "%d", resp_spec->resp_code);
+	else
+		snprintf(resp_code, sizeof(resp_code) - 1, "%s", "-");
+
+	const char * cont_type = resp_spec ? resp_spec->content_type != NULL ? resp_spec->content_type : "-" : "-";
+	const char * cont_encoding =
+		resp_spec ? resp_spec->content_encoding != NULL ? resp_spec->content_encoding : "-" : "-";
+	const char * pangu_req = h2_stream->pangu_req ? "USER/REQ" : "-";
+	const char * pangu_resp = h2_stream->pangu_resp ? "USER/RESP" : "-";
+	//const char * __str_suspend = h2_stream->suspend_counter > 0 ? "SUSPEND" : "-";
+
+	char *access_log;
+	asprintf(&access_log, "%s %d %s %s HTTP2.0 %s %s %s %s %s", str_stream_info, h2_stream->tfe_session.session_id,
+		     method, url, resp_code, cont_type, cont_encoding, pangu_req, pangu_resp);
+
+	TFE_LOG_INFO(logger()->handle, "%s", access_log);
+	free(access_log);
+}
+
 void delete_http2_stream_data(struct h2_stream_data_t *h2_stream,
 							  const struct tfe_stream *tf_stream,
 							  int body_flag)
@@ -1267,6 +1303,42 @@ nghttp2_headers_write_log(struct h2_stream_data_t *h2_stream, const char * str_s
 	return 0;
 }
 
+static int
+nghttp2_end_submit_header2(struct tfe_session_info_t *session_info,
+							  struct h2_stream_data_t *h2_stream)
+{
+	int xret = -1;
+	int32_t stream_id = 0;
+	nghttp2_nv hdrs[128] = {0};
+	struct http2_headers headers;
+	struct http2_half_private *resp = h2_stream->resp;
+	enum tfe_stream_action stream_action = ACTION_DROP_DATA;
+
+	headers = resp->headers;
+	if (headers.nvlen <= 0){
+		goto finish;
+	}
+    stream_id = nghttp2_submit_headers(session_info->as_server, headers.flag,
+                                	   h2_stream->stream_id, NULL, nghttp2_nv_packet(&headers, hdrs),
+                                       headers.nvlen, h2_stream);
+    if (stream_id < 0){
+        printf("Fatal headers error: %s\n", nghttp2_strerror(stream_id));
+		stream_action = ACTION_FORWARD_DATA;
+    }
+	delete_nv_packet_data(&headers);
+
+	if (stream_action == ACTION_DROP_DATA){
+		xret = nghttp2_session_send(session_info->as_server);
+		if (xret != 0) {
+			stream_action = ACTION_FORWARD_DATA;
+			TFE_LOG_ERROR(logger()->handle, "Fatal upstream send error: %s\n",nghttp2_strerror(xret));
+		}
+	}
+finish:
+	session_info->stream_action = stream_action;
+	return 0;
+}
+
 static int
 nghttp2_server_submit_header(struct tfe_session_info_t *session_info, int32_t stream_id)
 {
@@ -1694,7 +1766,7 @@ nghttp2_data_send(nghttp2_session *session, const nghttp2_frame *frame, const ui
     return (ssize_t)length;
 }
 
-static void
+static int
 submit_end_data(struct tfe_session_info_t *session_info,
 				   struct h2_stream_data_t *h2_stream)
 {
@@ -1702,6 +1774,12 @@ submit_end_data(struct tfe_session_info_t *session_info,
 	enum tfe_stream_action stream_action = ACTION_DROP_DATA;
 
     struct http2_half_private *resp = h2_stream->resp;
+
+	if (resp->body_state == MANAGE_STAGE_INIT){
+		nghttp2_end_submit_header2(session_info, h2_stream);
+		//return 1;
+	}
+
 	if (resp->body_state != MANAGE_STAGE_INIT){
 		if (resp->event_cb) {
 			resp->event_cb(resp, EV_HTTP_RESP_BODY_END, NULL, 0,
@@ -1731,7 +1809,7 @@ submit_end_data(struct tfe_session_info_t *session_info,
 	if (stream_action == ACTION_USER_DATA)
 		stream_action = ACTION_DROP_DATA;
 	session_info->stream_action = stream_action;
-	return;
+	return 1;
 }
 
 static int
@@ -1739,6 +1817,7 @@ nghttp2_on_stream_close(nghttp2_session *session, const nghttp2_frame *frame, co
                  		size_t namelen, const uint8_t *value,
                  		size_t valuelen, uint8_t flags, void *user_data, enum tfe_conn_dir dir)
 {
+	int xret = -1;
     struct h2_stream_data_t *h2_stream = NULL;
 	struct http2_half_private *resp    = NULL;
 
@@ -1760,8 +1839,9 @@ nghttp2_on_stream_close(nghttp2_session *session, const nghttp2_frame *frame, co
 
 	resp = h2_stream->resp;
 	if (error_code == 0 && resp->body_state != MANAGE_STAGE_COMPLETE){
-		submit_end_data(session_info, h2_stream);
-		goto end;
+		xret = submit_end_data(session_info, h2_stream);
+		if (xret == 1)
+			goto end;
 	}
 finish:
 	TAILQ_REMOVE(&session_info->list, h2_stream, next);
@@ -1788,41 +1868,6 @@ nghttp2_callback nghttp2_callback_array[] = {
 	[NGHTTP2_USER_COLSE]    = nghttp2_on_stream_close
 };
 
-void
-nghttp2_write_access_log(struct h2_stream_data_t *h2_stream, const char * str_stream_info)
-{
-	/* Request */
-	struct http2_half_private *req = h2_stream->req;
-	/* Response */
-	struct http2_half_private *resp = h2_stream->resp;
-	/* Req-Public */
-	struct tfe_http_req_spec *req_spec = req ? &(req->half_public.req_spec) : NULL;
-	/* Resp-Public */
-	struct tfe_http_resp_spec *resp_spec = resp ? &(resp->half_public.resp_spec) : NULL;
-
-	const char * method = req_spec ? val_to_str(req_spec->method, method_vals) : "-";
-	const char * url = req_spec ? req_spec->url : "-";
-	char resp_code[TFE_STRING_MAX];
-	if (resp_spec)
-		snprintf(resp_code, sizeof(resp_code) - 1, "%d", resp_spec->resp_code);
-	else
-		snprintf(resp_code, sizeof(resp_code) - 1, "%s", "-");
-
-	const char * cont_type = resp_spec ? resp_spec->content_type != NULL ? resp_spec->content_type : "-" : "-";
-	const char * cont_encoding =
-		resp_spec ? resp_spec->content_encoding != NULL ? resp_spec->content_encoding : "-" : "-";
-	const char * pangu_req = h2_stream->pangu_req ? "USER/REQ" : "-";
-	const char * pangu_resp = h2_stream->pangu_resp ? "USER/RESP" : "-";
-	//const char * __str_suspend = h2_stream->suspend_counter > 0 ? "SUSPEND" : "-";
-
-	char *access_log;
-	asprintf(&access_log, "%s %d %s %s HTTP2.0 %s %s %s %s %s", str_stream_info, h2_stream->tfe_session.session_id,
-		     method, url, resp_code, cont_type, cont_encoding, pangu_req, pangu_resp);
-
-	TFE_LOG_INFO(logger()->handle, "%s", access_log);
-	free(access_log);
-}
-
 static ssize_t
 nghttp2_client_send(nghttp2_session *session, const uint8_t *data,
                     size_t length, int flags, void *user_data)
@@ -1914,12 +1959,12 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 			TFE_LOG_ERROR(logger()->handle, "Fatal upstream send error: %s\n",nghttp2_strerror(xret));
 		}
 	}
+	TFE_LOG_INFO(logger()->handle, "%s, 1, submit data %d, stream_id:%d, action:%d", session_info->tf_stream->str_stream_info,
+				  (int)input_len, stream_id, stream_action);
 	if (stream_action == ACTION_USER_DATA)
 		stream_action = ACTION_DROP_DATA;
 	session_info->stream_action = stream_action;
 finish:
-	TFE_LOG_INFO(logger()->handle, "%s, 1, submit data %d, stream_id:%d, action:%d", session_info->tf_stream->str_stream_info,
-				  (int)input_len, stream_id, session_info->stream_action);
 	return 0;
 }
 
@@ -2319,7 +2364,7 @@ detect_up_stream_protocol(struct tfe_session_info_t *session_info, const struct
 		session_info->goaway = 0;
 	}
 	if (stream_action == ACTION_DROP_DATA){
-		tfe_stream_action_set_opt(tfe_stream, ACTION_OPT_DROP_BYTES, &len, sizeof(len));		
+		tfe_stream_action_set_opt(tfe_stream, ACTION_OPT_DROP_BYTES, &len, sizeof(len));
 		return ACTION_DROP_DATA;
 	}
 
@@ -2357,7 +2402,6 @@ detect_down_stream_protocol(struct tfe_session_info_t *session_info, const struc
 	}
 	stream_action = session_info->stream_action;
 	session_info->stream_action = ACTION_DROP_DATA;
-//	printf("down stream_acion = %d\n", stream_action);
 	if (stream_action == ACTION_FORWARD_DATA){
 		xret = nghttp2_session_send(session_info->as_server);
 		if (xret != 0) {
@@ -2371,7 +2415,7 @@ detect_down_stream_protocol(struct tfe_session_info_t *session_info, const struc
 		session_info->goaway = 0;
 	}
 	if (stream_action == ACTION_DROP_DATA){
-		tfe_stream_action_set_opt(tfe_stream, ACTION_OPT_DROP_BYTES, &len, sizeof(len));		
+		tfe_stream_action_set_opt(tfe_stream, ACTION_OPT_DROP_BYTES, &len, sizeof(len));
 		return ACTION_DROP_DATA;
 	}
 forward:
diff --git a/vendor/CMakeLists.txt b/vendor/CMakeLists.txt
index 8cba599..9112495 100644
--- a/vendor/CMakeLists.txt
+++ b/vendor/CMakeLists.txt
@@ -81,7 +81,7 @@ set_property(TARGET http-parser-static PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${
 ExternalProject_Add(nghttp2
         PREFIX nghttp2
         URL ${CMAKE_CURRENT_SOURCE_DIR}/nghttp2-1.24.0.tar.gz
-		URL_MD5 66d78a8b968d78ffa34b219a571a39b6
+		URL_MD5 214f4e02980ea1644ea9e11a60897bed
         CONFIGURE_COMMAND ./configure --prefix=<INSTALL_DIR> --disable-shared
         BUILD_IN_SOURCE 1)
 
diff --git a/vendor/nghttp2-1.24.0.tar.gz b/vendor/nghttp2-1.24.0.tar.gz
index f94176e..9e2f0f1 100644
Binary files a/vendor/nghttp2-1.24.0.tar.gz and b/vendor/nghttp2-1.24.0.tar.gz differ