diff --git a/01水杉码园教师使用手册（精简版）/image/作业布置.png b/01水杉码园教师使用手册（精简版）/image/作业布置.png
deleted file mode 100644
index 7857c7f..0000000
Binary files a/01水杉码园教师使用手册（精简版）/image/作业布置.png and /dev/null differ