diff --git a/TODOLIST.md b/TODOLIST.md
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+++ b/TODOLIST.md
@@ -1,4 +1,5 @@
 ## Todo list
+* Core: focus tab if buffer has exist
 * Core: sometime, press key no respsone, something wrong at function eaf-monitor-key-event
 * Browser: add cookie support
 * Browser: support pop window, such as emacs-china.org