diff --git a/README.md b/README.md
index e1c59c7..6b7f700 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,21 @@ Please comment anything you have and make suggestions.
 The security issue to all casduer is the most important thing.
 
 
+# 我们可以做什么
+please encrypt your sensitive information before uploading them to the cloud use some end-2-end encrypted message application
+
+For non-expert users, usability is very important. Try:
+
+- Olvid / Signal for encrypted message (I prefer the first one)
+- Keybase for both message and encrypted storage (like git)
+
+For experts, you can try:
+
+- git crypt: https://www.agwa.name/projects/git-crypt/
+- GPG tools
 
 # Ref:
 
 https://github.com/discourse/discourse/blob/master/docs/SECURITY.md
+
+