fix dead link for serving

deploy/pdserving/README.md

@@ -45,7 +45,7 @@ PaddleOCR operating environment and Paddle Serving operating environment are nee
     ```
 
 3. Install the client to send requests to the service
-    In [download link](https://github.com/PaddlePaddle/Serving/blob/develop/doc/LATEST_PACKAGES.md) find the client installation package corresponding to the python version.
+    In [download link](https://github.com/PaddlePaddle/Serving/blob/v0.6.3/doc/LATEST_PACKAGES.md) find the client installation package corresponding to the python version.
     The python3.7 version is recommended here:
 
     ```
@@ -57,8 +57,6 @@ PaddleOCR operating environment and Paddle Serving operating environment are nee
     pip3 install paddle-serving-app==0.6.3
     ```
 
-   **note:** If you want to install the latest version of PaddleServing, refer to [link](https://github.com/PaddlePaddle/Serving/blob/develop/doc/LATEST_PACKAGES.md).
-
 
 <a name="model-conversion"></a>
 ## Model conversion
@@ -196,7 +194,7 @@ The recognition model is the same.
 
 ## WINDOWS Users
 
-Windows does not support Pipeline Serving, if we want to lauch paddle serving on Windows, we should use Web Service, for more infomation please refer to [Paddle Serving for Windows Users](https://github.com/PaddlePaddle/Serving/blob/develop/doc/WINDOWS_TUTORIAL.md)
+Windows does not support Pipeline Serving, if we want to lauch paddle serving on Windows, we should use Web Service, for more infomation please refer to [Paddle Serving for Windows Users](https://github.com/PaddlePaddle/Serving/blob/v0.6.3/doc/WINDOWS_TUTORIAL.md)
 
 
 **WINDOWS user can only use version 0.5.0 CPU Mode**

deploy/pdserving/README_CN.md

@@ -44,7 +44,7 @@ PaddleOCR提供2种服务部署方式：
     ```
 
 2. 安装client，用于向服务发送请求
-    在[下载链接](https://github.com/PaddlePaddle/Serving/blob/develop/doc/LATEST_PACKAGES.md)中找到对应python版本的client安装包，这里推荐python3.7版本：
+    在[下载链接](https://github.com/PaddlePaddle/Serving/blob/v0.6.3/doc/LATEST_PACKAGES.md)中找到对应python版本的client安装包，这里推荐python3.7版本：
 
     ```
     pip3 install paddle-serving-client==0.6.3
@@ -55,8 +55,6 @@ PaddleOCR提供2种服务部署方式：
     pip3 install paddle-serving-app==0.6.3
     ```
 
-    **Note:** 如果要安装最新版本的PaddleServing参考[链接](https://github.com/PaddlePaddle/Serving/blob/develop/doc/LATEST_PACKAGES.md)。
-
 <a name="模型转换"></a>
 ## 模型转换
 
@@ -192,7 +190,7 @@ python3 -m paddle_serving_client.convert --dirname ./ch_ppocr_mobile_v2.0_rec_in
 
 ## WINDOWS用户
 
-Windows用户不能使用上述的启动方式，需要使用Web Service，详情参见[Windows平台使用Paddle Serving指导](https://github.com/PaddlePaddle/Serving/blob/develop/doc/WINDOWS_TUTORIAL_CN.md)
+Windows用户不能使用上述的启动方式，需要使用Web Service，详情参见[Windows平台使用Paddle Serving指导](https://github.com/PaddlePaddle/Serving/blob/v0.6.3/doc/WINDOWS_TUTORIAL_CN.md)
 
 **WINDOWS只能使用0.5.0版本的CPU模式**