diff --git a/wetty b/wetty
new file mode 160000
index 0000000..0ec642a
--- /dev/null
+++ b/wetty
@@ -0,0 +1 @@
+Subproject commit 0ec642a27302bb4c53244715e089e12a7fefe199
diff --git a/xterminal/demo/index.html b/xterminal/demo/index.html
index 2a8ba71..30d379b 100644
--- a/xterminal/demo/index.html
+++ b/xterminal/demo/index.html
@@ -21,7 +21,7 @@
             <button class="tc-key-btn" data-action="left">←</button>
             <button class="tc-key-btn" data-action="right">→</button>
             <button class="tc-key-btn" data-action="tab">Tab</button>
-            <button class="tc-key-btn" data-action="ls">ls</button>
+            <button class="tc-key-btn" data-action="ls">List</button>
             <button class="tc-key-btn" data-action="enter">Enter</button>
             <button class="tc-key-btn" data-action="ctrlc">Ctrl+C</button>
         </div>
diff --git a/xterminal/todo.md b/xterminal/todo.md
index b67eb64..712e622 100644
--- a/xterminal/todo.md
+++ b/xterminal/todo.md
@@ -11,3 +11,9 @@ const DEV_KEY_PATH = "/Users/gavin/.acme.sh/shell.biboer.cn_ecc/shell.biboer.cn.
 
 ---
 
+底部增加一个工具条,包括上下左右,tab,enter,ctrlc功能.
+1. 键盘展开工具条贴在地址胶囊之上. 
+注意保持:
+1. 地址胶囊和工具条保持透明 
+2. 弹出键盘后,输入行的位置计算现在运行良好,不能受迭代影响.
+