Update README.md

scarsu · web-flow · commit 59a87a2f9d17 · 2021-06-22T09:11:34.000+08:00
diff --git a/README.md b/README.md
@@ -26,7 +26,7 @@
 
 ## 树
 
-- [94. 二叉树的中序遍历](https://github.com/Geekhyt/javascript-leetcode/issues/13)
+- [94. 二叉树的中序遍历](https://github.com/Geekhyt/javascript-leetcode/issues/13)✅
 - [144. 二叉树的前序遍历](https://github.com/Geekhyt/javascript-leetcode/issues/14)✅
 - [145. 二叉树的后序遍历](https://github.com/Geekhyt/javascript-leetcode/issues/15)✅
 - [100. 相同的树](https://github.com/Geekhyt/javascript-leetcode/issues/16)
