diff --git a/buflab.zip b/buflab.zip
deleted file mode 100644
index 69df4e3..0000000
Binary files a/buflab.zip and /dev/null differ
diff --git a/buflab/answers.txt b/buflab/answers.txt
index d878c0f..4befef2 100644
--- a/buflab/answers.txt
+++ b/buflab/answers.txt
@@ -1,5 +1,10 @@
 学号后六位：723005
-第一关：00 11 22 33 44 55 66 77 88 
-第二关：00 11 22 33 44 55 66 77 88 
-第三关：00 11 22 33 44 55 66 77 88 
-第四关：00 11 22 33 44 55 66 77 88 
+第一关：00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F0 11 40 00
+第二关：00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 12 40 00 00 00 00 00 8B A9 4D DE
+第三关：B8 8B A9 4D DE A3 04 90 40 00 68 60 12 40 00 C3 04 FD 19 00
+第四关：B8 8B A9 4D DE A3 04 90 40 00 68 B0 12 40 00 C3 04 FD 19 00 80 15 40 00
+第五关：B8 8B A9 4D DE 68 81 11 40 00 C3 00 38 FD 19 00 04 FD 19 00
+
+
+
+