* update chinese version

jlniuhuan · Sep 7, 2018 · 2af455c · 2af455c
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diff --git a/docs/howto/how_to_update_vehicle_calibration.md b/docs/howto/how_to_update_vehicle_calibration.md
@@ -41,7 +41,7 @@ After preparation, complete the following task sequence from `modules/tools/cali
 like `15 5.2 -10`, will create and record a file named `t15b-10r0.csv`.
 
 ### Process Data
-Run `process_data.sh` on each recorded log individually. Each data log is processed and appended to `t15b-10r0.csv.result`.
+Run `process_data.sh` on each recorded log individually. data log is processed to `t15b-10r0.csv.result`.
 
 ### Plot Results
 Run `python plot_results.py t15b-10r0.csv.result` to visualize final results. Check for any abnormality.

diff --git a/docs/howto/how_to_update_vehicle_calibration_cn.md b/docs/howto/how_to_update_vehicle_calibration_cn.md
@@ -31,9 +31,13 @@
 - 转换结果为`protobuf`格式
 
 ### 采集数据
-1. 为不同的命令运行`python data_collector.py {dir}/{command}.txt`，且每条命令运行多次，其中data_collector.py在modules/tools/calibration/，{command}.txt可以参考modules/tools/calibration/calibration_data_sample/中样例
+1. 运行 `python data_collector.py`,参数如 x y z, x 代表了加速的控制指令, y 代表了限制速度(mps), z 是减速指令,正值标识油门量，负值标识刹车量.且每条命令运行多次，其中 `data_collector.py`在modules/tools/calibration/
 2. 根据车辆反应情况，调整命令脚本
-3. 运行 `python plot_data.py {dir}/{command}.txt_recorded.csv>` 使采集到的数据可视化
+3. 运行 `python plot_data.py ` 使采集到的数据可视化
+
+
+比如输出指令 `15 5.2 -10`,将会生成名为`t15b-10r0.csv`的文件。
+
 
 
 ### 处理数据