diff --git a/doc/02_小米便签开源代码阅读-精读报告(4).docx b/doc/02_小米便签开源代码阅读-精读报告(4).docx new file mode 100644 index 0000000..870b81e Binary files /dev/null and b/doc/02_小米便签开源代码阅读-精读报告(4).docx differ