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/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
+================================================================================