Merge branch 'develop' into develop

doc/FAQ_CN.md

 # FAQ
 
+## 版本升级问题
 
+#### Q: 从v0.6.x升级到v0.7.0版本时，运行Python Pipeline程序时报错信息如下：
+```
+Failed to predict: (data_id=1 log_id=0) [det|0] Failed to postprocess: postprocess() takes 4 positional arguments but 5 were given
+```
+**A:** 在服务端程序（例如 web_service.py)的postprocess函数定义中增加参数data_id，改为 def postprocess(self, input_dicts, fetch_dict, **data_id**, log_id) 即可。
 
 ## 基础知识
 
@@ -10,7 +16,7 @@
 
 #### Q: paddle-serving是否支持Int32支持
 
-**A:** 在protobuf定feed_type和fetch_type编号与数据类型对应如下
+**A:** 在protobuf定feed_type和fetch_type编号与数据类型对应如下，完整信息可参考[Serving配置与启动参数说明](./Serving_Configure_CN.md#模型配置文件)
 
      0-int64
     

doc/Install_CN.md

@@ -77,6 +77,8 @@ paddle-serving-server和paddle-serving-server-gpu安装包支持Centos 6/7, Ubun
 
 paddle-serving-client和paddle-serving-app安装包支持Linux和Windows，其中paddle-serving-client仅支持python3.6/3.7/3.8。
 
+**如果您之前使用paddle serving 0.5.X 0.6.X的Cuda10.2环境，需要注意在0.7.0版本，paddle-serving-server-gpu==0.7.0.post102的使用Cudnn7和TensorRT6，而0.6.0.post102使用cudnn8和TensorRT7。如果0.6.0的cuda10.2用户需要升级安装，请使用paddle-serving-server-gpu==0.7.0.post1028**
+
 ## 3.安装Paddle相关Python库
 **当您使用`paddle_serving_client.convert`命令或者`Python Pipeline框架`时才需要安装。**
 ```

doc/Install_EN.md

@@ -78,6 +78,8 @@ The paddle-serving-server and paddle-serving-server-gpu installation packages su
 
 The paddle-serving-client and paddle-serving-app installation packages support Linux and Windows, and paddle-serving-client only supports python3.6/3.7/3.8.
 
+**If you used the Cuda10.2 environment of paddle serving 0.5.X 0.6.X before, you need to pay attention to version 0.7.0, paddle-serving-server-gpu==0.7.0.post102 uses Cudnn7 and TensorRT6, and 0.6.0.post102 uses cudnn8 and TensorRT7. If 0.6.0 cuda10.2 users need to upgrade, please use paddle-serving-server-gpu==0.7.0.post1028**
+
 ## 3. Install Paddle related Python libraries
 **You only need to install it when you use the `paddle_serving_client.convert` command or the `Python Pipeline framework`. **
 ```

doc/Latest_Packages_CN.md

@@ -2,6 +2,8 @@
 
 ## Paddle-Serving-Server (x86 CPU/GPU)
 
+Check the following table, and copy the address of hyperlink then run `pip3 install`. For example, if you want to install `paddle-serving-server-0.0.0-py3-non-any.whl`, right click the hyper link and copy the link address, the final command is `pip3 install https://paddle-serving.bj.bcebos.com/test-dev/whl/paddle_serving_server-0.0.0-py3-none-any.whl`.
+
 |                           | develop whl                                                                                                                                                              | develop bin                                                                                                                             | stable whl                                                                                                                                                               | stable bin                                                                                                                              |
 |---------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|
 | cpu-avx-mkl               | [paddle_serving_server-0.0.0-py3-none-any.whl ](https://paddle-serving.bj.bcebos.com/test-dev/whl/paddle_serving_server-0.0.0-py3-none-any.whl)                          | [serving-cpu-avx-mkl-0.0.0.tar.gz](https://paddle-serving.bj.bcebos.com/test-dev/bin/serving-cpu-avx-mkl-0.0.0.tar.gz)                  | [paddle_serving_server-0.7.0-py3-none-any.whl ](https://paddle-serving.bj.bcebos.com/test-dev/whl/paddle_serving_server-0.7.0-py3-none-any.whl)                          | [serving-cpu-avx-mkl-0.7.0.tar.gz](https://paddle-serving.bj.bcebos.com/test-dev/bin/serving-cpu-avx-mkl-0.7.0.tar.gz)                  |
@@ -44,9 +46,15 @@ for kunlun user who uses arm-xpu or x86-xpu can download the wheel packages as f
 
 for arm kunlun user
 ```
-https://paddle-serving.bj.bcebos.com/whl/xpu/0.7.0/paddle_serving_server_xpu-0.7.0.post2-cp36-cp36m-linux_aarch64.whl
-https://paddle-serving.bj.bcebos.com/whl/xpu/0.7.0/paddle_serving_client-0.7.0-cp36-cp36m-linux_aarch64.whl
-https://paddle-serving.bj.bcebos.com/whl/xpu/0.7.0/paddle_serving_app-0.7.0-cp36-cp36m-linux_aarch64.whl
+# paddle-serving-server
+https://paddle-serving.bj.bcebos.com/whl/xpu/arm/paddle_serving_server_xpu-0.0.0.post2-py3-none-any.whl
+# paddle-serving-client
+https://paddle-serving.bj.bcebos.com/whl/xpu/arm/paddle_serving_client-0.0.0-cp36-none-any.whl
+# paddle-serving-app
+https://paddle-serving.bj.bcebos.com/whl/xpu/arm/paddle_serving_app-0.0.0-py3-none-any.whl
+
+# SERVING BIN
+https://paddle-serving.bj.bcebos.com/bin/serving-xpu-aarch64-0.0.0.tar.gz
 ```
  
 for x86 kunlun user