diff --git a/README-CN.rst b/README-CN.rst
index 953bb822..093f80a4 100644
--- a/README-CN.rst
+++ b/README-CN.rst
@@ -45,7 +45,7 @@ Python 2.6(不推荐)，2.7，3.3（不推荐），3.4，3.5，3.6
 
 .. code-block:: bash
 
-    $ sudo python setup.py install
+    $ python setup.py install
 
 
 快速使用
diff --git a/README.rst b/README.rst
index a3dcbdbf..14564e2a 100644
--- a/README.rst
+++ b/README.rst
@@ -45,7 +45,7 @@ You can also install the unzipped installer package directly:
 
 .. code-block:: bash
 
-    $ sudo python setup.py install
+    $ python setup.py install
 
 
 Getting started