diff --git a/README.md b/README.md
index 0a588617..7542a495 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,8 @@
 <br/>
 
 [![Documentation](https://readthedocs.org/projects/xrfeitoria/badge/?version=latest)](https://xrfeitoria.readthedocs.io/en/latest/?badge=latest)
-[![actions](https://github.com/openxrlab/xrfeitoria/workflows/build/badge.svg)](https://github.com/openxrlab/xrfeitoria/actions)
-[![codecov](https://codecov.io/gh/openxrlab/xrfeitoria/branch/main/graph/badge.svg)](https://codecov.io/gh/openxrlab/xrfeitoria)
+[![actions](https://github.com/openxrlab/xrfeitoria/workflows/lint/badge.svg)](https://github.com/openxrlab/xrfeitoria/actions)
 [![PyPI](https://img.shields.io/pypi/v/xrfeitoria)](https://pypi.org/project/xrfeitoria/)
-[![Percentage of issues still open](https://isitmaintained.com/badge/open/openxrlab/xrfeitoria.svg)](https://github.com/openxrlab/xrfeitoria/issues)
 [![license](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
 
 ## Introduction
@@ -66,7 +64,7 @@ xf-render bunny.obj
 ### Tutorials
 
 There are several [tutorials](/tutorials/).
-You can read them [here](https://xrfeitoria.readthedocs.io/en/latest/src/Tutorials.html).
+You can read them [here](https://openxrlab-share.oss-cn-hongkong.aliyuncs.com/xrfeitoria/docs/en/_build/html/src/Tutorials.html).
 
 
 ### Sample codes
diff --git a/tutorials/01_get_started.ipynb b/tutorials/01_get_started.ipynb
index 2fda3292..e72f8936 100644
--- a/tutorials/01_get_started.ipynb
+++ b/tutorials/01_get_started.ipynb
@@ -150,8 +150,13 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Ref to [doc](https://xrfeitoria.readthedocs.io/en/latest/init.html), you can always use ``with`` statement to ensure the engine is closed when the codes are finished."
+    "Ref to [api docs](../../apis/xrfeitoria.rst), you can always use ``with`` statement to ensure the engine is closed when the codes are finished."
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": []
   }
  ],
  "metadata": {