diff --git a/PPOCRLabel/README.md b/PPOCRLabel/README.md
index 0a1a7536912b6591517050bfa62260aaef6077cd..95baf66b297bb17b9396a20b8aa156fbd8273e39 100644
--- a/PPOCRLabel/README.md
+++ b/PPOCRLabel/README.md
@@ -12,6 +12,7 @@ PPOCRLabel is a semi-automatic graphic annotation tool suitable for OCR field, w
   - Add KIE Mode by using `--kie`, for [detection + identification + keyword extraction] labeling.
 - 2022.01：（by [PeterH0323](https://github.com/peterh0323) ）
   - Improve user experience: prompt for the number of files and labels, optimize interaction, and fix bugs such as only use CPU when inference
+  - New functions: Support using `C` or `X` to rotate box.
 - 2021.11.17:
   - Support install and start PPOCRLabel through the whl package (by [d2623587501](https://github.com/d2623587501))
   - Dataset segmentation: Divide the annotation file into training, verification and testing parts (refer to section 3.5 below, by [MrCuiHao](https://github.com/MrCuiHao))
diff --git a/PPOCRLabel/README_ch.md b/PPOCRLabel/README_ch.md
index 99c088de83f9cba775733a0473b50596683c47ab..5534b308f3b49905bfaa33b24e128e2bbcc1ef5b 100644
--- a/PPOCRLabel/README_ch.md
+++ b/PPOCRLabel/README_ch.md
@@ -11,7 +11,8 @@ PPOCRLabel是一款适用于OCR领域的半自动化图形标注工具，内置P
 - 2022.02：（by [PeterH0323](https://github.com/peterh0323) ）
   - 新增：使用 `--kie` 进入 KIE 功能，用于打【检测+识别+关键字提取】的标签
 - 2022.01：（by [PeterH0323](https://github.com/peterh0323) ）
-  - 提升用户体验：新增文件与标记数目提示、优化交互、修复gpu使用等问题
+  - 提升用户体验：新增文件与标记数目提示、优化交互、修复gpu使用等问题。
+  - 新增功能：使用 `C` 和 `X` 对标记框进行旋转。
 - 2021.11.17：
   - 新增支持通过whl包安装和启动PPOCRLabel（by [d2623587501](https://github.com/d2623587501)）
   - 标注数据集切分：对标注数据进行训练、验证与测试集划分（参考下方3.5节，by [MrCuiHao](https://github.com/MrCuiHao)）