diff --git a/README.en.md b/README.en.md
index 7214fe63e86bfaec6fa5b0802abf1428759084db..2fd1e589505189a728c1324f0e067acaa45d7574 100644
--- a/README.en.md
+++ b/README.en.md
@@ -19,7 +19,7 @@ This project has been tested with test suites of SQLAlchemy.
 ## Installation
 
 ```
->>> python setup.py install
+>>> python -m pip install opengauss-sqlalchemy
 ```
 
 ## Usage
@@ -188,7 +188,7 @@ Table("some_table", ..., opengauss_to="GROUP group_name")
 ### Steps to install and config centralized opengauss for testing
 
 1. Add OS user for opengauss ```>>> useradd omm -g dbgrp```
-2. Change owner of opengass dir ```>>> chown omm:dbgrp ${db_dir} -R```
+2. Change owner of opengauss dir ```>>> chown omm:dbgrp ${db_dir} -R```
 3. Switch to user omm ```>>> su - omm```
 4. Install opengauss ```>>> sh install.sh -w ${db_password} -p 37200```
 5. Start opengauss ```>>> gs_ctl start -D ${db_dir}/data/single_node/```
diff --git a/README.md b/README.md
index 3cf240575f19bd68f1b14d0147038fa485cc0743..7fcb1f15203fa8cde435fec4488ddf1533a3907b 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 ## 安装
 
 ```
->>> python setup.py install
+>>> python -m pip install opengauss-sqlalchemy
 ```
 
 ## 使用方法
diff --git a/setup.py b/setup.py
index c8b3ebabe5de8d7db10081b6613a1c969e5580ba..2d3e835f6874ee01d7993f313029ef3c81279fe1 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ from setuptools import setup
 with open(os.path.join(os.path.dirname(__file__), "opengauss_sqlalchemy", "__init__.py")) as fd:
     VERSION = re.compile(r'.*__version__ = "(.*?)"', re.S).match(fd.read()).group(1)
 
-long_description = (Path(__file__).parent/ "README.md").read_text()
+long_description = (Path(__file__).parent / "README.md").read_text()
 
 
 setup(
diff --git a/test/test_compiler.py b/test/test_compiler.py
index 0ef2c8b7db44250255ec584ac45609db01b5a3fd..ce1ccc7577df67e6cc838a032f8cb92e8f29a757 100644
--- a/test/test_compiler.py
+++ b/test/test_compiler.py
@@ -474,7 +474,7 @@ class DDLCompilerTest(fixtures.TestBase, AssertsCompiledSQL):
         )
         self.assert_compile(
             schema.CreateTable(tbl),
-             "CREATE TABLE atable (id INTEGER) WITH (ORIENTATION = COLUMN) COMPRESS",
+            "CREATE TABLE atable (id INTEGER) WITH (ORIENTATION = COLUMN) COMPRESS",
         )
 
     def test_create_table_partition_by_list(self):
diff --git a/test/test_suite.py b/test/test_suite.py
index a226f42af3d4f2fc49313c291cdeb5100b265388..c3c295b2ee9d94157b39ab10e42c711ec31af63c 100644
--- a/test/test_suite.py
+++ b/test/test_suite.py
@@ -73,9 +73,9 @@ class LongNameBlowoutTest(_LongNameBlowoutTest):
         assert len(actual_name) > 255
 
         if reflected_name is not None:
-            overlap = actual_name[0 : len(reflected_name)]
+            overlap = actual_name[0: len(reflected_name)]
             if len(overlap) < len(actual_name):
-                eq_(overlap[0:-5], reflected_name[0 : len(overlap) - 5])
+                eq_(overlap[0:-5], reflected_name[0: len(overlap) - 5])
             else:
                 eq_(overlap, reflected_name)