diff --git a/README.md b/README.md
index 2b8871f5adb034a35834f9f7f71c43a9a0fdb881..6fcc42dddcb48b9c88d74f13a03b24d3c66d9a83 100644
--- a/README.md
+++ b/README.md
@@ -117,14 +117,14 @@ Advanced Features:
 
 - Add a series of models ralated modulated Deformable Convolution.
 
-#### 7/29/2019
+#### 29/7/2019
 
 - Update Chinese docs for PaddleDetection
 - Fix bug in R-CNN models when train and test at the same time
 - Add ResNext101-vd + Mask R-CNN + FPN models
 - Add YOLOv3 on VOC models
 
-#### 7/3/2019
+#### 3/7/2019
 
 - Initial release of PaddleDetection and detection model zoo
 - Models included: Faster R-CNN, Mask R-CNN, Faster R-CNN+FPN, Mask
diff --git a/README_cn.md b/README_cn.md
index af9980c8dbb19e24c58b5a07d9de2fe71d4d683b..37291d5164f01d50b308e2b95ff201bafe75443a 100644
--- a/README_cn.md
+++ b/README_cn.md
@@ -107,14 +107,14 @@ PaddleDetection的目的是为工业界和学术界提供丰富、易用的目
 #### 5/8/2019
 - 增加Modulated Deformable Convolution系列模型。
 
-#### 7/22/2019
+#### 29/7/2019
 
 - 增加检测库中文文档
 - 修复R-CNN系列模型训练同时进行评估的问题
 - 新增ResNext101-vd + Mask R-CNN + FPN模型
 - 新增基于VOC数据集的YOLOv3模型
 
-#### 7/3/2019
+#### 3/7/2019
 
 - 首次发布PaddleDetection检测库和检测模型库
 - 模型包括：Faster R-CNN, Mask R-CNN, Faster R-CNN+FPN, Mask