diff --git a/linux-l/21231409.docx b/linux-l/21231409.docx
deleted file mode 100644
index 4dbd51449bdd624afac69bb45b45620e8b734689..0000000000000000000000000000000000000000
Binary files a/linux-l/21231409.docx and /dev/null differ
diff --git a/linux-l/21231507.docx b/linux-l/21231507.docx
new file mode 100644
index 0000000000000000000000000000000000000000..22e58c1be1ab40de327bcc4b10c860434de8030c
Binary files /dev/null and b/linux-l/21231507.docx differ