diff --git a/docs/changelog.md b/docs/changelog.md
index 14e92b9903..fe367eda2b 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -5,6 +5,7 @@
 **Highlights**
 
 **New Features**
+- Automatically add modelzoo statistics to readthedocs ([#327](https://github.com/open-mmlab/mmaction2/pull/327))
 
 **Improvements**
 - Add random seed for building filelists ([#323](https://github.com/open-mmlab/mmaction2/pull/323))
diff --git a/docs/conf.py b/docs/conf.py
index 7fb619f575..3aa2ca76f4 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -72,6 +72,7 @@ def get_version():
 
 def builder_inited_handler(app):
     subprocess.run(['./merge_docs.sh'])
+    subprocess.run(['./stat.py'])
 
 
 def setup(app):
diff --git a/docs/index.rst b/docs/index.rst
index 75c3eed97d..122c8cc151 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -20,6 +20,7 @@ Welcome to MMAction2's documentation!
    :maxdepth: 2
    :caption: Model Zoo
 
+   modelzoo.md
    recognition_models.md
    localization_models.md
 
@@ -32,6 +33,7 @@ Welcome to MMAction2's documentation!
    tutorials/data_pipeline.md
    tutorials/new_modules.md
    tutorials/export_model.md
+   tutorials/customize_runtime.md
 
 .. toctree::
    :maxdepth: 2
diff --git a/docs/install.md b/docs/install.md
index ad7d14885e..e7ef632857 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -65,7 +65,7 @@ If you build PyTorch from source instead of installing the prebuilt package, you
 c. Install mmcv, we recommend you to install the pre-build mmcv as below.
 
 ```shell
-pip install mmcv-full==latest+torch1.5.0+cu101 -f http://download.openmmlab.com/mmcv/dist/index.html
+pip install mmcv-full==latest+torch1.5.0+cu101 -f https://download.openmmlab.com/mmcv/dist/index.html
 ```
 
 See [here](https://github.com/open-mmlab/mmcv#install-with-pip) for different versions of MMCV compatible to different PyTorch and CUDA versions.
diff --git a/docs/stat.py b/docs/stat.py
new file mode 100644
index 0000000000..8555089e9a
--- /dev/null
+++ b/docs/stat.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+import functools as func
+import glob
+import re
+
+files = sorted(glob.glob('*_models.md'))
+
+stats = []
+
+for f in files:
+    with open(f, 'r') as content_file:
+        content = content_file.read()
+
+    # title
+    title = content.split('\n')[0].replace('#', '')
+
+    # count papers
+    papers = set(x.lower().strip()
+                 for x in re.findall(r'\btitle={(.*)}', content))
+    paperlist = '\n'.join(sorted('    - ' + x for x in papers))
+
+    # count configs
+    configs = set(x.lower().strip()
+                  for x in re.findall(r'https.*configs/.*\.py', content))
+
+    # count ckpts
+    ckpts = set(x.lower().strip()
+                for x in re.findall(r'https://download.*\.pth', content)
+                if 'mmaction' in x)
+
+    statsmsg = f"""
+## [{title}]({f})
+
+* Number of checkpoints: {len(ckpts)}
+* Number of configs: {len(configs)}
+* Number of papers: {len(papers)}
+{paperlist}
+
+    """
+
+    stats.append((papers, configs, ckpts, statsmsg))
+
+allpapers = func.reduce(lambda a, b: a.union(b), [p for p, _, _, _ in stats])
+allconfigs = func.reduce(lambda a, b: a.union(b), [c for _, c, _, _ in stats])
+allckpts = func.reduce(lambda a, b: a.union(b), [c for _, _, c, _ in stats])
+msglist = '\n'.join(x for _, _, _, x in stats)
+
+modelzoo = f"""
+# Model Zoo Statistics
+
+* Number of checkpoints: {len(allckpts)}
+* Number of configs: {len(allconfigs)}
+* Number of papers: {len(allpapers)}
+
+{msglist}
+"""
+
+with open('modelzoo.md', 'w') as f:
+    f.write(modelzoo)
diff --git a/mmaction/__init__.py b/mmaction/__init__.py
index 7ac11d954e..84582430b8 100644
--- a/mmaction/__init__.py
+++ b/mmaction/__init__.py
@@ -4,7 +4,7 @@
 from .version import __version__
 
 mmcv_minimum_version = '1.1.1'
-mmcv_maximum_version = '1.2'
+mmcv_maximum_version = '1.2.0'
 mmcv_version = digit_version(mmcv.__version__)
 
 assert (digit_version(mmcv_minimum_version) <= mmcv_version