Fix directory miss (#4728)

windstamp · web-flow · commit 1eaca6250875 · 2022-05-06T20:39:13.000+08:00
diff --git a/docs/index_en.rst b/docs/index_en.rst
@@ -3,9 +3,11 @@
 
 ..  toctree::
     :maxdepth: 1
-	
+
+
     install/index_en.rst
     guides/index_en.rst
     api/index_en.rst
     dev_guides/index_en.rst
     release_note_en.md
+
