diff --git a/vulnerabilities/README.md b/vulnerabilities/README.md
index 3c0fe0d..2927410 100644
--- a/vulnerabilities/README.md
+++ b/vulnerabilities/README.md
@@ -33,5 +33,5 @@
 
 ### resources
 
-
+* [secureum-mind-map](https://github.com/x676f64/secureum-mind_map/blob/master/3.%20Solidity%20201.md)
 * [defi hacks & exploits](https://github.com/SunWeb3Sec/DeFiHackLabs/#list-of-defi-hacks--exploits)