diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b92abacafb..e3b6f45f90 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,8 +26,10 @@ jobs:
         mmcv: [1.4.0]
         include:
           - torch: 1.8.0
+            torch_version: torch1.8
             torchvision: 0.9.0
           - torch: 1.9.0
+            torch_version: torch1.9
             torchvision: 0.10.0
     steps:
       - uses: actions/checkout@v2
@@ -39,7 +41,7 @@ jobs:
         run: pip install torch==${{matrix.torch}}+cpu torchvision==${{matrix.torchvision}}+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMCV
         run: |
-          pip install mmcv-full==${{matrix.mmcv}} -f https://download.openmmlab.com/mmcv/dist/cpu/torch${{matrix.torch}}/index.html
+          pip install mmcv-full==${{matrix.mmcv}} -f https://download.openmmlab.com/mmcv/dist/cpu/${{matrix.torch_version}}/index.html
           python -c 'import mmcv; print(mmcv.__version__)'
       - name: Install unittest dependencies
         run: |
@@ -66,7 +68,7 @@ jobs:
         mmcv: [1.4.0]
         include:
           - torch: 1.9.0+cu102
-            torch_version: torch1.9.0
+            torch_version: torch1.9
             torchvision: 0.10.0+cu102
     steps:
       - uses: actions/checkout@v2
@@ -109,7 +111,7 @@ jobs:
         mmcv: [1.4.0]
         include:
           - torch: 1.8.0+cu111
-            torch_version: torch1.8.0
+            torch_version: torch1.8
             torchvision: 0.9.0+cu111
 
     steps:
diff --git a/docs/en/build.md b/docs/en/build.md
index 12ffdc2872..0be0f137dc 100644
--- a/docs/en/build.md
+++ b/docs/en/build.md
@@ -74,7 +74,7 @@ We provide building methods for both physical and virtual machines. For virtual
 
     ```bash
     export cu_version=cu111 # cuda 11.1
-    export torch_version=torch1.8.0
+    export torch_version=torch1.8
     pip install mmcv-full==1.4.0 -f https://download.openmmlab.com/mmcv/dist/${cu_version}/${torch_version}/index.html
     ```
 
diff --git a/docs/en/get_started.md b/docs/en/get_started.md
index 0218a2753c..9336a06c67 100644
--- a/docs/en/get_started.md
+++ b/docs/en/get_started.md
@@ -103,8 +103,8 @@ conda activate openmmlab
 
 conda install pytorch==1.8.0 torchvision==0.9.0 cudatoolkit=10.2 -c pytorch -y
 
-# install the latest mmcv
-pip install mmcv-full==1.4.0 -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.8.0/index.html
+# install mmcv
+pip install mmcv-full==1.4.0 -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.8/index.html
 
 # install mmdetection
 git clone https://github.com/open-mmlab/mmdetection.git
diff --git a/docs/zh_cn/build.md b/docs/zh_cn/build.md
index 15a19c03d9..9fd283010c 100644
--- a/docs/zh_cn/build.md
+++ b/docs/zh_cn/build.md
@@ -74,7 +74,7 @@
 
     ```bash
     export cu_version=cu111 # cuda 11.1
-    export torch_version=torch1.8.0
+    export torch_version=torch1.8
     pip install mmcv-full==1.4.0 -f https://download.openmmlab.com/mmcv/dist/${cu_version}/${torch_version}/index.html
     ```
 
diff --git a/docs/zh_cn/get_started.md b/docs/zh_cn/get_started.md
index c04d5536d2..414bc481d3 100644
--- a/docs/zh_cn/get_started.md
+++ b/docs/zh_cn/get_started.md
@@ -103,8 +103,8 @@ conda activate openmmlab
 
 conda install pytorch==1.8.0 torchvision==0.9.0 cudatoolkit=10.2 -c pytorch -y
 
-# 安装最新的mmcv
-pip install mmcv-full==1.4.0 -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.8.0/index.html
+# 安装 mmcv
+pip install mmcv-full==1.4.0 -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.8/index.html
 
 # 安装mmdetection
 git clone https://github.com/open-mmlab/mmdetection.git