diff --git a/pl/cross/security/casbin.txt b/security/casbin.txt
similarity index 51%
rename from pl/cross/security/casbin.txt
rename to security/casbin.txt
index da38776c0..327ab7263 100644
--- a/pl/cross/security/casbin.txt
+++ b/security/casbin.txt
@@ -1,9 +1,13 @@
 https://casbin.org
-https://casbin.org/docs/en/overview.html
 https://github.com/casbin
 
+https://casbin.org/docs/en/overview.html
+https://casbin.org/docs/syntax-for-models/
+
 https://casbin.org/docs/en/middlewares
 
 https://casbin.org/docs/en/management-api
 
 https://github.com/casbin/casbin-rs
+
+https://github.com/jcasbin/casbin-spring-boot-starter/blob/master/src/main/java/org/casbin/spring/boot/autoconfigure/CasbinAutoConfiguration.java