diff --git a/gopher_tech.md b/gopher_tech.md
index 1cfa8c3af720f9c78907cc2df6e259176f584715..3b65f84d7d10a6f60f3d52fc14b961e890d52710 100644
--- a/gopher_tech.md
+++ b/gopher_tech.md
@@ -357,9 +357,9 @@
 | notack_bytes       | tcp_windows(0x2)  | histogram    | bytes | Number   of bytes not ack currently.                         |
 | snd_wnd            | tcp_windows(0x2)  | histogram    |       | Size of TCP send window.                                     |
 | rcv_wnd            | tcp_windows(0x2)  | histogram    |       | Size of TCP receive window.                                  |
-| zero_snd_wnd_ratio | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of times of sending window 0 to the number of sent bytes |
-| zero_rcv_wnd_ratio | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of receive window 0 windows to the number of received bytes |
-| zero_snd_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of receive window 0 windows.                      |
+| zero_win_tx_ratio  | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of times of sending window 0 to the number of sent bytes |
+| zero_win_rx_ratio  | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of receive window 0 windows to the number of received bytes |
+| zero_rcv_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of receive window 0 windows.                      |
 | zero_snd_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of sending  window 0 windows.                     |
 | avl_snd_wnd        | tcp_windows(0x2)  | histogram    |       | Size of TCP available send window.                           |
 | syn_srtt           | tcp_srtt          | histogram    | us    | RTT   of syn packet(us).                                     |
@@ -609,9 +609,9 @@
 | notack_bytes       | tcp_windows(0x2)  | histogram    | bytes | Number   of bytes not ack currently.                         |
 | snd_wnd            | tcp_windows(0x2)  | histogram    |       | Size of TCP send window.                                     |
 | rcv_wnd            | tcp_windows(0x2)  | histogram    |       | Size of TCP receive window.                                  |
-| zero_snd_wnd_ratio | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of times of sending window 0 to the number of sent bytes |
-| zero_rcv_wnd_ratio | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of receive window 0 windows to the number of received bytes |
-| zero_snd_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of receive window 0 windows.                      |
+| zero_win_tx_ratio  | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of times of sending window 0 to the number of sent bytes |
+| zero_win_rx_ratio  | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of receive window 0 windows to the number of received bytes |
+| zero_rcv_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of receive window 0 windows.                      |
 | zero_snd_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of sending  window 0 windows.                     |
 | avl_snd_wnd        | tcp_windows(0x2)  | histogram    |       | Size of TCP available send window.                           |
 | syn_srtt           | tcp_srtt          | histogram    | us    | RTT   of syn packet(us).                                     |
@@ -749,9 +749,9 @@
 | notack_bytes       | tcp_windows(0x2)  | histogram    | bytes | Number   of bytes not ack currently.                         |
 | snd_wnd            | tcp_windows(0x2)  | histogram    |       | Size of TCP send window.                                     |
 | rcv_wnd            | tcp_windows(0x2)  | histogram    |       | Size of TCP receive window.                                  |
-| zero_snd_wnd_ratio | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of times of sending window 0 to the number of sent bytes |
-| zero_rcv_wnd_ratio | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of receive window 0 windows to the number of received bytes |
-| zero_snd_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of receive window 0 windows.                      |
+| zero_win_tx_ratio  | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of times of sending window 0 to the number of sent bytes |
+| zero_win_rx_ratio  | tcp_windows(0x2)  | Gauge        |       | Ratio of the number of receive window 0 windows to the number of received bytes |
+| zero_rcv_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of receive window 0 windows.                      |
 | zero_snd_wnd_count | tcp_windows(0x2)  | Gauge        |       | The number of sending  window 0 windows.                     |
 | avl_snd_wnd        | tcp_windows(0x2)  | histogram    |       | Size of TCP available send window.                           |
 | syn_srtt           | tcp_srtt          | histogram    | us    | RTT   of syn packet(us).                                     |