diff --git a/python/examples/ocr/README.md b/python/examples/ocr/README.md
index abf1456036bcce5c5f329189431f4a0e03be70c8..3a141084f7bd72ab44d9ced10211e5c3d1d630e1 100644
--- a/python/examples/ocr/README.md
+++ b/python/examples/ocr/README.md
@@ -40,6 +40,8 @@ CPU: Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz * 40
 
 GPU: Nvidia Tesla V100 * 1
 
+Dataset: RCTW 500 sample images
+
 | engine                       | client read image(ms) | client-server tras time(ms) | server read image（ms） | det pre(ms) | det infer(ms) | det post(ms) | rec pre(ms) | rec infer(ms) | rec post(ms) | server-client trans time(ms) | server side time consumption(ms) | server side overhead(ms) | total time（ms) |
 |------------------------------|----------------|----------------------------|------------------|--------------------|------------------|--------------------|--------------------|------------------|--------------------|--------------------------|--------------------|--------------|---------------|
 | Serving web service          | 112.02         | 13.41                      | 109.97           | 2.82               | 87.76            | 4.29               | 3.98               | 78.51            | 3.66               | 4.12                     | 181.02             | 239.52       | 420.54        |
diff --git a/python/examples/ocr/README_CN.md b/python/examples/ocr/README_CN.md
index e5919440dfd9f3f83ec255501a87a84ba4a78ab5..71baf875acef51bf8b649a90f1e9c932bee9e74a 100644
--- a/python/examples/ocr/README_CN.md
+++ b/python/examples/ocr/README_CN.md
@@ -47,6 +47,8 @@ CPU: Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz * 40
 
 GPU: Nvidia Tesla V100单卡
 
+数据集：RCTW 500张测试数据集
+
 | engine                       | 客户端读图(ms) | 客户端发送请求到服务端(ms) | 服务端读图（ms） | 检测预处理耗时(ms) | 检测模型耗时(ms) | 检测后处理耗时(ms) | 识别预处理耗时(ms) | 识别模型耗时(ms) | 识别后处理耗时(ms) | 服务端回传客户端时间(ms) | 服务端整体耗时(ms) | 空跑耗时(ms) | 整体耗时（ms) |
 |------------------------------|----------------|----------------------------|------------------|--------------------|------------------|--------------------|--------------------|------------------|--------------------|--------------------------|--------------------|--------------|---------------|
 | Serving web service          | 112.02         | 13.41                      | 109.97           | 2.82               | 87.76            | 4.29               | 3.98               | 78.51            | 3.66               | 4.12                     | 181.02             | 239.52       | 420.54        |