diff --git a/authz/authz.go b/authz/authz.go
index 676faa7d..361f406d 100644
--- a/authz/authz.go
+++ b/authz/authz.go
@@ -65,6 +65,8 @@ m = (r.subOwner == p.subOwner || p.subOwner == "*") && \
 		panic(err)
 	}
 
+	Enforcer.ClearPolicy()
+
 	//if len(Enforcer.GetPolicy()) == 0 {
 	if true {
 		ruleText := `
diff --git a/go.mod b/go.mod
index 1cb3cc65..454a9b73 100644
--- a/go.mod
+++ b/go.mod
@@ -7,8 +7,8 @@ require (
 	github.com/astaxie/beego v1.12.3
 	github.com/aws/aws-sdk-go v1.37.30
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
-	github.com/casbin/casbin/v2 v2.23.4
-	github.com/casbin/xorm-adapter/v2 v2.2.0
+	github.com/casbin/casbin/v2 v2.30.1
+	github.com/casbin/xorm-adapter/v2 v2.3.1
 	github.com/casdoor/go-sms-sender v0.0.1
 	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
diff --git a/go.sum b/go.sum
index 755365d5..ec73a2ed 100644
--- a/go.sum
+++ b/go.sum
@@ -34,11 +34,11 @@ github.com/bradfitz/gomemcache v0.0.0-20180710155616-bc664df96737/go.mod h1:PmM6
 github.com/casbin/casbin v1.7.0 h1:PuzlE8w0JBg/DhIqnkF1Dewf3z+qmUZMVN07PonvVUQ=
 github.com/casbin/casbin v1.7.0/go.mod h1:c67qKN6Oum3UF5Q1+BByfFxkwKvhwW57ITjqwtzR1KE=
 github.com/casbin/casbin/v2 v2.1.0/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
-github.com/casbin/casbin/v2 v2.11.2/go.mod h1:XXtYGrs/0zlOsJMeRteEdVi/FsB0ph7KgNfjoCoJUD8=
-github.com/casbin/casbin/v2 v2.23.4 h1:izvAG3KA49C3/m1zpYfkLcZlkYQO5VeHj7dhwurwZR4=
-github.com/casbin/casbin/v2 v2.23.4/go.mod h1:wUgota0cQbTXE6Vd+KWpg41726jFRi7upxio0sR+Xd0=
-github.com/casbin/xorm-adapter/v2 v2.2.0 h1:wAuYpCDRPUSFxdRqcRrGS0664UC7RKE21x7wrIl3rLQ=
-github.com/casbin/xorm-adapter/v2 v2.2.0/go.mod h1:9bPGOgjA/qbtjXHt3FC1rRyyRMkt9c+m8vlfLWjdSXU=
+github.com/casbin/casbin/v2 v2.25.5/go.mod h1:wUgota0cQbTXE6Vd+KWpg41726jFRi7upxio0sR+Xd0=
+github.com/casbin/casbin/v2 v2.30.1 h1:P5HWadDL7olwUXNdcuKUBk+x75Y2eitFxYTcLNKeKF0=
+github.com/casbin/casbin/v2 v2.30.1/go.mod h1:vByNa/Fchek0KZUgG5wEsl7iFsiviAYKRtgrQfcJqHg=
+github.com/casbin/xorm-adapter/v2 v2.3.1 h1:RVGsM6KYFP9s4OQJXrP/gv56Wmt5P40mzvcyXgv5xeg=
+github.com/casbin/xorm-adapter/v2 v2.3.1/go.mod h1:GZ+nlIdasVFunQ71SlvkL/HcQQBvFncphDf+2Yl167c=
 github.com/casdoor/go-sms-sender v0.0.1 h1:n/r6fGgXsV+6uMxXvb0XLZnUCjmbUB1uSB817Ej0/gI=
 github.com/casdoor/go-sms-sender v0.0.1/go.mod h1:rr4na8Zc+0vgPVY5JPB0LZkRVuj5AhNVhE1G7W8lDk8=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=