diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index f2d9eb0..be25414 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -24,8 +24,7 @@ extensions = [
 otcdocs_auto_name = False
 otcdocs_auto_version = False
 
-project = 'GaussDB Enterprise-class Distributed Database compatible with MySQL
-'
+project = 'GaussDB Enterprise-class Distributed Database compatible with MySQL'
 otcdocs_repo_name = 'docs/gaussdb-mysql'
 
 # If extensions (or modules to document with autodoc) are in another directory,
@@ -80,8 +79,7 @@ html_theme_options = {
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
 
-html_title = "GaussDB Enterprise-class Distributed Database compatible with MySQL
- - API Reference"
+html_title = "GaussDB Enterprise-class Distributed Database compatible with MySQL - API Reference"
 
 
 # Add any paths that contain custom static files (such as style sheets) here,
@@ -93,7 +91,6 @@ html_static_path = ['_static']
 latex_documents = [
 ('index',
      'gaussdb_mysql-api-ref.tex',
-     u'GaussDB Enterprise-class Distributed Database compatible with MySQL
- - API Reference',
+     u'GaussDB Enterprise-class Distributed Database compatible with MySQL - API Reference',
      u'OpenTelekomCloud', 'manual'),
 ]
\ No newline at end of file
diff --git a/api-ref/source/index.rst b/api-ref/source/index.rst
index 8cc75b2..d7ffd75 100644
--- a/api-ref/source/index.rst
+++ b/api-ref/source/index.rst
@@ -1,5 +1,4 @@
-====================================================================================
-GaussDB Enterprise-class Distributed Database compatible with MySQL
- - API Reference
-====================================================================================
+===================================================================================
+GaussDB Enterprise-class Distributed Database compatible with MySQL - API Reference
+===================================================================================
 
diff --git a/requirements.txt b/requirements.txt
index 1d18dd3..5c8b4f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-
-pbr>=2.0 # Apache-2.0
+otcdocstheme # Apache-2.0
+sphinx>=2.0.0,!=2.1.0 # BSD
diff --git a/umn/source/conf.py b/umn/source/conf.py
index b46413a..ff26d2c 100644
--- a/umn/source/conf.py
+++ b/umn/source/conf.py
@@ -24,8 +24,7 @@ extensions = [
 otcdocs_auto_name = False
 otcdocs_auto_version = False
 
-project = 'GaussDB Enterprise-class Distributed Database compatible with MySQL
-'
+project = 'GaussDB Enterprise-class Distributed Database compatible with MySQL'
 otcdocs_repo_name = 'docs/gaussdb-mysql'
 
 # If extensions (or modules to document with autodoc) are in another directory,
@@ -80,8 +79,7 @@ html_theme_options = {
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
 
-html_title = "GaussDB Enterprise-class Distributed Database compatible with MySQL
- - User Guide"
+html_title = "GaussDB Enterprise-class Distributed Database compatible with MySQL - User Guide"
 
 
 # Add any paths that contain custom static files (such as style sheets) here,
@@ -93,7 +91,6 @@ html_static_path = ['_static']
 latex_documents = [
 ('index',
      'gaussdb_mysql-umn.tex',
-     u'GaussDB Enterprise-class Distributed Database compatible with MySQL
- - User Guide',
+     u'GaussDB Enterprise-class Distributed Database compatible with MySQL - User Guide',
      u'OpenTelekomCloud', 'manual'),
 ]
\ No newline at end of file
diff --git a/umn/source/index.rst b/umn/source/index.rst
index 00ed04d..884dbec 100644
--- a/umn/source/index.rst
+++ b/umn/source/index.rst
@@ -1,5 +1,4 @@
-=================================================================================
-GaussDB Enterprise-class Distributed Database compatible with MySQL
- - User Guide
-=================================================================================
+================================================================================
+GaussDB Enterprise-class Distributed Database compatible with MySQL - User Guide
+================================================================================
 
diff --git a/zuul.yaml b/zuul.yaml
index 9dd8bc0..0e6cedd 100644
--- a/zuul.yaml
+++ b/zuul.yaml
@@ -2,9 +2,12 @@
     merge-mode: squash-merge
     default-branch: main
     templates:
+    - helpcenter-base-jobs
+    - api-ref-hc-int-jobs
+    - umn-hc-int-jobs
     check:
       jobs:
-        - noop
+      - noop
     gate:
       jobs:
-        - noop
+      - noop