update pip link

README.md

@@ -53,12 +53,10 @@ python setup.py install --user
 ### Install by pip
 
 ```bash
-pip install https://ms-release.obs.cn-north-4.myhuaweicloud.com/{version}/MindQuantum/x86_64/mindquantum-{version}-py3-none-any.whl --trusted-host ms-release.obs.cn-north-4.myhuaweicloud.com -i https://pypi.tuna.tsinghua.edu.cn/simple
+pip install https://ms-release.obs.cn-north-4.myhuaweicloud.com/1.2.0-rc1/MindQuantum/ubuntu_x86/mindquantum-0.1.0-py3-none-any.whl --trusted-host ms-release.obs.cn-north-4.myhuaweicloud.com -i https://pypi.tuna.tsinghua.edu.cn/simple
 ```
 
-> - When the network is connected, dependency items are automatically downloaded during .whl package installation. (For details about other dependency items, see [setup.py](https://gitee.com/mindspore/mindquantum/blob/master/setup.py)). In other cases, you need to manually install dependency items.
->
-> - `{version}`indicates the MindQuantum version. For example，if you download MindQuantum 0.1.0, set `{version}` to 0.1.0。  
+> - When the network is connected, dependency items are automatically downloaded during .whl package installation. (For details about other dependency items, see [setup.py](https://gitee.com/mindspore/mindquantum/blob/master/setup.py)). In other cases, you need to manually install dependency items. 
 
 ## Verifying Successful Installation
 

README_CN.md

@@ -53,11 +53,10 @@ MindQuantum是结合MindSpore和HiQ开发的量子机器学习框架，支持多
 ### pip安装
 
 ```bash
-pip install https://ms-release.obs.cn-north-4.myhuaweicloud.com/{version}/MindQuantum/x86_64/mindquantum-{version}-py3-none-any.whl --trusted-host ms-release.obs.cn-north-4.myhuaweicloud.com -i https://pypi.tuna.tsinghua.edu.cn/simple
+pip install https://ms-release.obs.cn-north-4.myhuaweicloud.com/1.2.0-rc1/MindQuantum/ubuntu_x86/mindquantum-0.1.0-py3-none-any.whl --trusted-host ms-release.obs.cn-north-4.myhuaweicloud.com -i https://pypi.tuna.tsinghua.edu.cn/simple
 ```
 
 > - 在联网状态下，安装whl包时会自动下载MindQuantum安装包的依赖项（依赖项详情参见[setup.py](https://gitee.com/mindspore/mindquantum/blob/master/setup.py)），其余情况需自行安装。
-> - `{version}`表示MindQuantum版本号，例如下载0.1.0版本MindQuantum时，`{version}`应写为0.1.0。  
 
 ## 验证是否成功安装