diff --git a/plugin/protocol/http/src/http_convert.cpp b/plugin/protocol/http/src/http_convert.cpp
index 89874ae..8cc57b6 100644
--- a/plugin/protocol/http/src/http_convert.cpp
+++ b/plugin/protocol/http/src/http_convert.cpp
@@ -249,6 +249,8 @@ struct hf_content_compress * hf_content_compress_create(unsigned int content_enc
     {
         cv_object->brenc_state = BrotliEncoderCreateInstance(NULL, NULL, NULL);
         if (unlikely(cv_object->brenc_state == NULL)) goto __errout;
+
+		BrotliEncoderSetParameter(cv_object->brenc_state, BROTLI_PARAM_QUALITY, 3);
     }
 
     return cv_object;
diff --git a/plugin/protocol/http2/src/http2_common.cpp b/plugin/protocol/http2/src/http2_common.cpp
index de18eaf..89ae7f4 100644
--- a/plugin/protocol/http2/src/http2_common.cpp
+++ b/plugin/protocol/http2/src/http2_common.cpp
@@ -299,6 +299,8 @@ int deflate_init(struct z_stream_st **strm, int gzip)
 		(*strm)->brenc_state = BrotliEncoderCreateInstance(NULL, NULL, NULL);
         if ( (*strm)->brenc_state == NULL)
 			ret = -1;
+
+		BrotliEncoderSetParameter((*strm)->brenc_state, BROTLI_PARAM_QUALITY, 3);
 	}
 	if (ret != Z_OK)
 		FREE(strm);
diff --git a/plugin/protocol/http2/src/http2_stream.cpp b/plugin/protocol/http2/src/http2_stream.cpp
index e36bd38..87da35f 100644
--- a/plugin/protocol/http2/src/http2_stream.cpp
+++ b/plugin/protocol/http2/src/http2_stream.cpp
@@ -836,20 +836,18 @@ nghttp2_submit_end_data_by_h2_half(struct tfe_h2_stream *h2_stream_info, int32_t
 }
 
 static enum tfe_stream_action
-nghttp2_submit_data_by_h2_half(struct tfe_h2_stream *connection,
-						      struct tfe_h2_session *h2_session,
-						      enum tfe_conn_dir dir)
+nghttp2_submit_data_by_h2_half(struct tfe_h2_stream *connection, struct tfe_h2_session *h2_session, enum tfe_conn_dir dir, int compress_result)
 {
-	enum tfe_stream_action stream_action = ACTION_DROP_DATA;	
+	enum tfe_stream_action stream_action = ACTION_DROP_DATA;
 	struct tfe_h2_half_private *h2_half = tfe_h2_stream_get_half(h2_session, dir);
-	
+
 	nghttp2_session *ngh2_session = tfe_h2_stream_get_nghttp2_session(connection, dir);
 
-	if (h2_session->plugin_built_resp)
+	if (h2_session->plugin_built_resp && compress_result)
 	{
 		stream_action = nghttp2_frame_submit_built_resp(connection, h2_session);
 	}
-	else if (h2_session->plugin_built_req)
+	else if (h2_session->plugin_built_req && compress_result)
 	{
 		stream_action = nghttp2_frame_submit_built_req(connection, h2_session);
 	}
@@ -1210,7 +1208,7 @@ nghttp2_submit_complete_data(struct tfe_h2_stream *h2_stream_info,
 	h2_half->body_state = H2_READ_STATE_COMPLETE;
 	h2_half->message_state = H2_READ_STATE_COMPLETE;
 
-	stream_action = nghttp2_submit_data_by_h2_half(h2_stream_info, h2_session, dir);
+	stream_action = nghttp2_submit_data_by_h2_half(h2_stream_info, h2_session, dir, 1);
 	if (stream_action == ACTION_DROP_DATA)
 	{
 		xret = nghttp2_session_send(ngh2_session);
@@ -2041,7 +2039,7 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 {
 	size_t len;
     char *uncompr = NULL;
-	int xret = -1;
+	int xret = -1, compress_result = 1;
 	enum tfe_stream_action stream_action = ACTION_DROP_DATA;
 	int uncompr_len = 0, __attribute__((__unused__))ret = 0;
 	const unsigned char *data;
@@ -2066,8 +2064,7 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 	evbuffer_add(resp->h2_payload.evbuf_body, input, input_len);
 	if (resp->h2_payload.gzip != HTTP2_CONTENT_ENCODING_NONE)
 	{
-		ret = inflate_read(input, input_len, &uncompr, &uncompr_len,
-						   &resp->h2_payload.inflate, resp->h2_payload.gzip);
+		ret = inflate_read(input, input_len, &uncompr, &uncompr_len, &resp->h2_payload.inflate, resp->h2_payload.gzip);
 		if (((ret == Z_STREAM_END) || (ret == Z_OK)) && uncompr_len > 0)
 		{
 			input      = (const uint8_t*)uncompr;
@@ -2075,6 +2072,7 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 		}
 		else
 		{
+			compress_result = 0;
 			/*if input is end_stream, send by nghttp2_submit_frame_data **/
 			if (flags != NGHTTP2_FLAG_END_STREAM && h2_session->plugin_built_resp == NULL)
 			{
@@ -2101,7 +2099,7 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 	data = input;
 	len  = input_len;
 
-	if (resp->body_state == H2_READ_STATE_BEGIN)
+	if (resp->body_state == H2_READ_STATE_BEGIN && compress_result)
 	{
 		if (resp->event_cb)
 		{
@@ -2117,12 +2115,11 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 		}
 		resp->body_state = H2_READ_STATE_READING;
 	}
-	if (resp->body_state == H2_READ_STATE_READING)
+	if (resp->body_state == H2_READ_STATE_READING && compress_result)
 	{
-		if (resp->event_cb) 
+		if (resp->event_cb)
 		{
-			resp->event_cb(resp, EV_HTTP_RESP_BODY_CONT, data, len,
-								   resp->event_cb_user);
+			resp->event_cb(resp, EV_HTTP_RESP_BODY_CONT, data, len, resp->event_cb_user);
 		}
 		if (flags & NGHTTP2_FLAG_END_STREAM)
 		{
@@ -2136,11 +2133,11 @@ nghttp2_client_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 	{
 		FREE(&uncompr);
 	}
-	stream_action = nghttp2_submit_data_by_h2_half(h2_stream_info, h2_session, CONN_DIR_UPSTREAM);
+	stream_action = nghttp2_submit_data_by_h2_half(h2_stream_info, h2_session, CONN_DIR_UPSTREAM, compress_result);
 	if (stream_action == ACTION_DROP_DATA)
 	{
 		xret = nghttp2_session_send(h2_stream_info->as_server);
-		if (xret != 0) 
+		if (xret != 0)
 		{
 			stream_action = ACTION_FORWARD_DATA;
 			TFE_LOG_ERROR(logger()->handle, "Fatal upstream(%d) send error: %s\n",stream_id, nghttp2_strerror(xret));
@@ -2476,7 +2473,7 @@ nghttp2_server_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
 	}
 	if (uncompr_len)	FREE(&uncompr);
 
-	stream_action = nghttp2_submit_data_by_h2_half(h2_stream_info, h2_session, CONN_DIR_DOWNSTREAM);
+	stream_action = nghttp2_submit_data_by_h2_half(h2_stream_info, h2_session, CONN_DIR_DOWNSTREAM, 1);
 	if (stream_action == ACTION_DROP_DATA){
 		xret = nghttp2_session_send(h2_stream_info->as_client);
 		if (xret != 0)