diff --git a/common/src/tfe_packet_io.cpp b/common/src/tfe_packet_io.cpp
index 7cb89c0..f3525dc 100644
--- a/common/src/tfe_packet_io.cpp
+++ b/common/src/tfe_packet_io.cpp
@@ -1396,6 +1396,7 @@ static int handle_control_packet(struct packet_io *handle, marsio_buff_t *rx_buf
     {
         TFE_LOG_ERROR(logger, "%s: unexpected control packet, unable to get metadata\n\tMETA={session_id: %lu, raw_len: %d, is_e2i_dir: %d, is_ctrl_pkt: %d, l7offset: %d, is_decrypted: %u, sids_num: %d}", 
                                 LOG_TAG_PKTIO, meta.session_id, meta.raw_len, meta.is_e2i_dir, meta.is_ctrl_pkt, meta.l7offset, meta.is_decrypted, meta.sids.num);
+        __atomic_fetch_add(&packet_io_fs->ctrl_pkt_error_num, 1, __ATOMIC_RELAXED);
         return -1;
     }
 
@@ -1404,12 +1405,14 @@ static int handle_control_packet(struct packet_io *handle, marsio_buff_t *rx_buf
     if (ctrl_packet_parser_parse(&ctrl_parser, meta.raw_data + meta.l7offset, meta.raw_len - meta.l7offset, logger, thread->ref_acceptor_ctx->debug) == -1)
     {
         TFE_LOG_ERROR(logger, "%s: unexpected control packet, metadata's session %lu unable to parse data", LOG_TAG_PKTIO, meta.session_id);
+        __atomic_fetch_add(&packet_io_fs->ctrl_pkt_error_num, 1, __ATOMIC_RELAXED);
         return -1;
     }
 
     if (ctrl_parser.session_id != meta.session_id)
     {
         TFE_LOG_ERROR(logger, "%s: unexpected control packet, metadata's session %lu != control packet's session %lu", LOG_TAG_PKTIO, meta.session_id, ctrl_parser.session_id);
+        __atomic_fetch_add(&packet_io_fs->ctrl_pkt_error_num, 1, __ATOMIC_RELAXED);
         ctrl_packet_cmsg_destroy(&ctrl_parser);
         return -1;
     }