Shen

Results 2 issues of Shen

Resolve #9 新逻辑可以通过所有测试

https://github.com/itcharge/LeetCode-Py/blob/344b802897606b89422c8b0cdd99843126ef26c3/Contents/06.String/03.String-Multi-Pattern-Matching/01.Trie.md?plain=1#L128C12-L128C27 貌似这里不需要检查cur is not None,因为cur不可能为None。这个判断永远是True。