diff --git a/docs/file.rst b/docs/file.rst
index 3728618..0cc017b 100644
--- a/docs/file.rst
+++ b/docs/file.rst
@@ -3,10 +3,10 @@ File
 
 ..  py:function:: pydu.file.makedirs(path, mode=0o755, ignore_errors=False, exist_ok=False)
 
-  Based on `os.makedirs`,create a leaf directory and all intermediate ones.
-  `mode` default is `0o755`.When make an exists path,if exist_ok is false,
-  `makedirs` will raise an `Exception`.If `ignore_errors` which will ignore
-   all errors raised by `os.makedirs`.
+    Based on ``os.makedirs``,create a leaf directory and all intermediate ones.
+    ``mode`` default is ``0o755``. When make an exists path, if exist_ok is false,
+    ``makedirs`` will raise an ``Exception``. If ``ignore_errors`` which will ignore
+    all errors raised by ``os.makedirs``.
 
     >>> from pydu.file import makedirs
     >>> makedirs('test1/test2')
@@ -17,13 +17,14 @@ File
 
 
 ..  py:function:: pydu.file.remove(path, mode=0o755, ignore_errors=False, onerror)
+
     Remove a file or directory.
 
-    If ignore_errors is set, errors are ignored; otherwise, if onerror
+    If ``ignore_errors`` is set, errors are ignored; otherwise, if onerror
     is set, it is called to handle the error with arguments (func,
     path, exc_info) where func is platform and implementation dependent;
     path is the argument to that function that caused it to fail; and
-    exc_info is a tuple returned by sys.exc_info().  If ignore_errors
+    exc_info is a tuple returned by sys.exc_info().  If ``ignore_errors``
     is False and onerror is None, an exception is raised.
 
     >>> from pydu.file import makedirs
@@ -40,7 +41,7 @@ File
 
 ..  py:function:: pydu.file.removes(paths, mode=0o755, ignore_errors=False, onerror)
 
-    Remove a list of file and/or directory.Other parameters same as `remove`
+    Remove a list of file and/or directory.Other parameters same as `remove`.
 
     >>> from pydu.file import makedirs
     >>> from pydu.file import remove
@@ -52,8 +53,8 @@ File
 
 .. py:function:: pydu.file.open_file(path, mode='wb+', buffer_size=-1, ignore_errors=False):
 
-    Open a file, defualt mode 'wb+'.If path not exists, it will be created
-    automatically. If ignore_errors is set, errors are ignored.
+    Open a file, defualt mode ``wb+``. If path not exists, it will be created
+    automatically. If ``ignore_errors`` is set, errors are ignored.
 
     >>> from pydu.file import open_file
     >>> open_file('test.txt')
@@ -79,20 +80,8 @@ File
     >>> from pydu.file import makedirs,open_fle
     >>> open_fle('test/test.txt')
     >>> symlink('test/test.txt','test/test.link')
-    >>> ll test
-        test.txt
-        test.link -> test.txt
     >>> copy('test/test.link','test/test_copy1.link')
-    >>> ll test
-        test.txt
-        test_copy1.link
-        test.link -> test.txt
     >>> copy('test/test.link','test/test_copy2.link',follow_symlink=False)
-    >>> ll test
-        test.txt
-        test_copy1.link
-        test.link -> test.txt
-        test_copy2.link -> test.txt
 
 .. py:function:: pydu.file.touch(path):
 
@@ -103,7 +92,7 @@ File
 
 .. py:function:: pydu.file.symlink(src, dst, overwrite=False, ignore_errors=False)
 
-   `symlink` only work on `Linux/Unix`,it create a symbolic link pointing
+   ``symlink`` only work on `Unix-like` system, it create a symbolic link pointing
    to source named link_name.If dist is exist and overwrite is true,a new
    symlink will be created.
 
@@ -112,7 +101,7 @@ File
 
 .. py:function:: pydu.file.link(src, dst, overwrite=False, ignore_errors=False):
 
-    `link` only work on `Linux/Unix`,it create a hard link pointing to
+    ``link`` only work on `Unix-like` system, it create a hard link pointing to
     source named link_name.If dist is exist and overwrite is true,a
     new symlink will be created.