Update README.md

scarsu · web-flow · commit 0bd40ce18d04 · 2021-08-03T09:38:09.000+08:00
diff --git a/README.md b/README.md
@@ -60,7 +60,7 @@
 ## 字符串
 - [125. 验证回文串](https://github.com/Geekhyt/javascript-leetcode/issues/35)✅
 - [344. 反转字符串](https://github.com/Geekhyt/javascript-leetcode/issues/36)✅
-- [415. 字符串相加](https://github.com/Geekhyt/javascript-leetcode/issues/37)
+- [415. 字符串相加](https://github.com/Geekhyt/javascript-leetcode/issues/37)✅
 
 ## 排序
 - [冒泡排序](https://github.com/Geekhyt/javascript-leetcode/issues/39)
