diff --git a/gopher_tech.md b/gopher_tech.md
index fff243a4064ea545b396c092b8091af4e33a416b..82868471a0e9f3179c750b292dc47c76ab7457db 100644
--- a/gopher_tech.md
+++ b/gopher_tech.md
@@ -184,33 +184,35 @@
 
 # BLOCK
 
-| metrics_name          | table_name   | metrics_type | unit | KPI  | metrics description             |
-| --------------------- | ------------ | ------------ | ---- | ---- | ------------------------------- |
-| major                 | block        | key          |      |      | 块对象编号                      |
-| first_minor           | block        | key          |      |      | 块对象编号                      |
-| blk_type              | block        | label        |      |      | 块对象类型（比如disk,   part）  |
-| blk_name              | block        | label        |      |      | 块对象名称                      |
-| disk_name             | block        | label        |      |      | 所属磁盘名称                    |
-| latency_req_max       | io_latency   | Gauge        | us   | Y    | block层I/O操作时延最大值        |
-| latency_req_last      | io_latency   | Gauge        | us   |      | block层I/O操作时延最近值        |
-| latency_req_sum       | io_latency   | Gauge        | us   |      | block层I/O操作时延总计值        |
-| latency_req_jitter    | io_latency   | Gauge        | us   |      | block层I/O操作时延抖动          |
-| count_latency_req     | io_latency   | Gauge        |      |      | block层I/O操作操作次数          |
-| latency_driver_max    | io_latency   | Gauge        | us   |      | 驱动层时延最大值                |
-| latency_driver_last   | io_latency   | Gauge        | us   |      | 驱动层时延最近值                |
-| latency_driver_sum    | io_latency   | Gauge        | us   |      | 驱动层时延最总计值              |
-| latency_driver_jitter | io_latency   | Gauge        | us   |      | 驱动层时延抖动                  |
-| count_latency_driver  | io_latency   | Gauge        |      |      | 驱动层操作次数                  |
-| latency_device_max    | io_latency   | Gauge        | us   | Y    | 设备层时延最大值                |
-| latency_device_last   | io_latency   | Gauge        | us   |      | 设备层时延最近值                |
-| latency_device_sum    | io_latency   | Gauge        | us   |      | 设备层时延最总计值              |
-| latency_device_jitter | io_latency   | Gauge        | us   |      | 设备层时延抖动                  |
-| count_latency_device  | io_latency   | Gauge        |      |      | 设备层操作次数                  |
-| count_io_err          | io_latency   | Gauge        |      |      | block层I/O操作错误次数          |
-| access_pagecache      | io_pagecache | Gauge        |      |      | Block页面访问次数               |
-| mark_buffer_dirty     | io_pagecache | Gauge        |      |      | Block   page buffer置脏次数     |
-| load_page_cache       | io_pagecache | Gauge        |      |      | Block   page 加入page cache次数 |
-| mark_page_dirty       | io_pagecache | Gauge        |      |      | Block   page 置脏次数           |
+| metrics_name          | table_name   | metrics_type | unit  | KPI  | metrics description             |
+| --------------------- | ------------ | ------------ | ----- | ---- | ------------------------------- |
+| major                 | block        | key          |       |      | 块对象编号                      |
+| first_minor           | block        | key          |       |      | 块对象编号                      |
+| blk_type              | block        | label        |       |      | 块对象类型（比如disk,   part）  |
+| blk_name              | block        | label        |       |      | 块对象名称                      |
+| disk_name             | block        | label        |       |      | 所属磁盘名称                    |
+| latency_req_max       | io_latency   | Gauge        | us    | Y    | block层I/O操作时延最大值        |
+| latency_req_last      | io_latency   | Gauge        | us    |      | block层I/O操作时延最近值        |
+| latency_req_sum       | io_latency   | Gauge        | us    |      | block层I/O操作时延总计值        |
+| latency_req_jitter    | io_latency   | Gauge        | us    |      | block层I/O操作时延抖动          |
+| count_latency_req     | io_latency   | Gauge        |       |      | block层I/O操作操作次数          |
+| latency_driver_max    | io_latency   | Gauge        | us    |      | 驱动层时延最大值                |
+| latency_driver_last   | io_latency   | Gauge        | us    |      | 驱动层时延最近值                |
+| latency_driver_sum    | io_latency   | Gauge        | us    |      | 驱动层时延最总计值              |
+| latency_driver_jitter | io_latency   | Gauge        | us    |      | 驱动层时延抖动                  |
+| count_latency_driver  | io_latency   | Gauge        |       |      | 驱动层操作次数                  |
+| latency_device_max    | io_latency   | Gauge        | us    | Y    | 设备层时延最大值                |
+| latency_device_last   | io_latency   | Gauge        | us    |      | 设备层时延最近值                |
+| latency_device_sum    | io_latency   | Gauge        | us    |      | 设备层时延最总计值              |
+| latency_device_jitter | io_latency   | Gauge        | us    |      | 设备层时延抖动                  |
+| count_latency_device  | io_latency   | Gauge        |       |      | 设备层操作次数                  |
+| err_code              | io_err       | Gauge        |       |      | block层I/O操作错误码            |
+| read_bytes            | io_count     | Gauge        | bytes |      | I/O操作读字节数                 |
+| write_bytes           | io_count     | Gauge        | bytes |      | I/O操作写字节数                 |
+| access_pagecache      | io_pagecache | Gauge        |       |      | Block页面访问次数               |
+| mark_buffer_dirty     | io_pagecache | Gauge        |       |      | Block   page buffer置脏次数     |
+| load_page_cache       | io_pagecache | Gauge        |       |      | Block   page 加入page cache次数 |
+| mark_page_dirty       | io_pagecache | Gauge        |       |      | Block   page 置脏次数           |
 
 # Container
 
diff --git a/gopher_tech_abnormal.md b/gopher_tech_abnormal.md
index 2f3ebe8f664326c27222d3aedbc243ca753ad8d1..41f675af2647ee1e554faaf06f751b48c17c6df1 100644
--- a/gopher_tech_abnormal.md
+++ b/gopher_tech_abnormal.md
@@ -400,7 +400,7 @@ gala-gopher提供系统异常检测能力，支持用户在启动各个探针的
 | 异常事件名      | 事件信息                                                     | 输出参数 | 输入参数 | 异常等级 |
 | --------------- | ------------------------------------------------------------ | -------- | -------- | :------- |
 | latency_req_max | IO latency occured. (Block %d:%d, COMM %s, PID %u, op: %s, datalen %u, drv_latency %llu, dev_latency %llu) |          | [-T <>]  | WARN     |
-| count_io_err    | IO errors occured. (Block %d:%d, COMM %s, PID %u, op: %s, datalen %u, err_code %d, scsi_err %d, scsi_tmout %d) |          | NA       | WARN     |
+| err_code        | IO errors occured. (Block %d:%d, COMM %s, PID %u, op: %s, datalen %u, err_code %d, scsi_err %d, scsi_tmout %d) |          | NA       | WARN     |
 
 ### DISK