diff --git a/README.md b/README.md
index 7cc2c58..dda5776 100644
--- a/README.md
+++ b/README.md
@@ -23,3 +23,6 @@ Usage:
7、login from android client app
8、create service local proxy in android app
9、enjoy it!
+ps:
+The Linux 64 bit version does not rely on the third party installation package.
+NAS arm version relies on OpenSSL, which requires OpenSSL to be installed in advance.