diff --git a/iso/README.md b/iso/README.md
new file mode 100644
index 0000000..f3a1bf4
--- /dev/null
+++ b/iso/README.md
@@ -0,0 +1 @@
+# 因为部分文件体积太大，所以用空文件替代了
\ No newline at end of file