diff --git a/readme.md b/readme.md
index a1bfd36..33d1407 100644
--- a/readme.md
+++ b/readme.md
@@ -15,4 +15,6 @@ The function of this extension is to select a piece of unicode code and then dis
 
 ## Usage
 
-Select the unicode code, then press the shortcut key `ctrl+alt+u`, use `cmd+alt+u` on mac
\ No newline at end of file
+Select the unicode code, then press the shortcut key `ctrl+alt+u`, use `cmd+alt+u` on mac
+
+## TODO