diff --git a/README.md b/README.md
index 0ec8673..ce5003c 100644
--- a/README.md
+++ b/README.md
@@ -165,3 +165,8 @@ Client -> | Rule1 | --nomatch--> | Rule2 | --nomatch--> | Rule3 | -->
 ## License
 
 * Apache License Version 2.0
+
+
+## Reference
+
+* Surgermq.(https://github.com/surgemq/surgemq)
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