diff --git a/docs/source/index.rst b/docs/source/index.rst
index 9325657cb4..6c1b349c57 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -171,7 +171,7 @@ Refer to :ref:`DASK on Mars <integrate_dask>`.
 Mars on Ray
 ------------
 
-Refer to :ref:`Mars on Ray <ray>`.
+Refer to :ref:`Mars on Ray <mars_ray>`.
 
 Easy to scale in and scale out
 ------------------------------
diff --git a/docs/source/installation/ray.rst b/docs/source/installation/ray.rst
index bfc5f69ef0..be04335235 100644
--- a/docs/source/installation/ray.rst
+++ b/docs/source/installation/ray.rst
@@ -1,7 +1,7 @@
-.. _ray:
+.. _mars_ray:
 
 Run on Ray
-=================
+==========
 
 Mars also has deep integration with Ray and can run on `Ray <https://docs.ray.io/en/latest/>`_ efficiently and natively.
 
diff --git a/docs/source/locale/zh_CN/LC_MESSAGES/index.po b/docs/source/locale/zh_CN/LC_MESSAGES/index.po
index 860ea3f39a..bc38dcd6ab 100644
--- a/docs/source/locale/zh_CN/LC_MESSAGES/index.po
+++ b/docs/source/locale/zh_CN/LC_MESSAGES/index.po
@@ -164,9 +164,8 @@ msgid "Mars on Ray"
 msgstr ""
 
 #: ../../source/index.rst:174
-#, fuzzy
-msgid "Refer to :ref:`Mars on Ray <ray>`."
-msgstr "参考 :ref:`Mars on Ray <ray>`。"
+msgid "Refer to :ref:`Mars on Ray <mars_ray>`."
+msgstr "参考 :ref:`Mars on Ray <mars_ray>`。"
 
 #: ../../source/index.rst:177
 msgid "Easy to scale in and scale out"