diff --git a/python/examples/ocr/README_CN.md b/python/examples/ocr/README_CN.md
index 9321333679b4b150f524aff4890579eacbebc46d..44473ea80d056addd8be288649c685f2da245cac 100644
--- a/python/examples/ocr/README_CN.md
+++ b/python/examples/ocr/README_CN.md
@@ -43,7 +43,7 @@ python ocr_debugger_server.py
 
 ## 启动客户端
 ```
-python ocr_web_clint.py
+python ocr_web_client.py
 ```
 
 ## 性能指标
@@ -58,3 +58,36 @@ GPU: Nvidia Tesla V100单卡
 |------------------------------|----------------|----------------------------|------------------|--------------------|------------------|--------------------|--------------------|------------------|--------------------|--------------------------|--------------------|--------------|---------------|
 | Serving web service          | 8.69         | 13.41                      | 109.97           | 2.82               | 87.76            | 4.29               | 3.98               | 78.51            | 3.66               | 4.12                     | 181.02             | 136.49      | 317.51        |
 | Serving Debugger web service | 8.73         | 16.42                      | 115.27           | 2.93               | 20.63            | 3.97               | 4.48               | 13.84            | 3.60               | 6.91                     | 49.45              | 147.33      | 196.78        |
+
+
+## 附录： 检测/识别单服务启动
+如果您想单独启动检测或者识别服务，我们也提供了启动单服务的代码
+
+### 启动检测服务
+
+```
+python det_web_server.py 
+#or
+python det_debugger_server.py
+```
+
+### 检测服务客户端
+
+```
+# also use ocr_web_client.py
+python ocr_web_client.py
+```
+
+### 启动识别服务
+
+```
+python rec_web_server.py 
+#or
+python rec_debugger_server.py
+```
+
+### 识别服务客户端
+
+```
+python rec_web_client.py
+```