diff --git a/What is rule file and how to write one.md b/What is rule file and how to write one.md
index fc94e95..46348f1 100644
--- a/What is rule file and how to write one.md	
+++ b/What is rule file and how to write one.md	
@@ -100,4 +100,9 @@ Tips about rule file
 
 To invoke a rule file
 -------------------------
-* in shell ``anyproxy --rule /path/to/ruleFile.js``
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+* in shell ``anyproxy --rule /path/to/ruleFile.js``
+
+
+Samples
+-------------------------
+* Samples could be found at [https://github.com/alibaba/anyproxy/tree/master/rule_sample](https://github.com/alibaba/anyproxy/tree/master/rule_sample).
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