diff --git a/contrib/config/apollo/README.MD b/contrib/config/apollo/README.MD
index e2b2cbc81..7223df82a 100644
--- a/contrib/config/apollo/README.MD
+++ b/contrib/config/apollo/README.MD
@@ -75,3 +75,6 @@ func main() {
 }
 ```
 
+## License
+
+`GoFrame apollo` is licensed under the [MIT License](../../../LICENSE), 100% free and open-source, forever.
\ No newline at end of file
diff --git a/contrib/config/kubecm/README.MD b/contrib/config/kubecm/README.MD
index 8439e11c0..cbabb3cac 100644
--- a/contrib/config/kubecm/README.MD
+++ b/contrib/config/kubecm/README.MD
@@ -151,3 +151,6 @@ func main() {
 
 ```
 
+## License
+
+`GoFrame kubecm` is licensed under the [MIT License](../../../LICENSE), 100% free and open-source, forever.
\ No newline at end of file
diff --git a/contrib/config/polaris/README.MD b/contrib/config/polaris/README.MD
index d4137ac03..23d85bf6e 100644
--- a/contrib/config/polaris/README.MD
+++ b/contrib/config/polaris/README.MD
@@ -1,4 +1,4 @@
-# polaris
+# Polaris
 
 Package `polaris` implements GoFrame `gcfg.Adapter` using polaris service.
 
@@ -34,7 +34,7 @@ func init() {
         path      = "testdata/polaris.yaml"
         logDir    = "/tmp/polaris/log"
     )
-    // Create apollo Client that implements gcfg.Adapter.
+    // Create polaris Client that implements gcfg.Adapter.
     adapter, err := polaris.New(ctx, polaris.Config{
         Namespace: namespace,
         FileGroup: fileGroup,
@@ -81,3 +81,6 @@ func main() {
 }
 ```
 
+## License
+
+`GoFrame Polaris` is licensed under the [MIT License](../../../LICENSE), 100% free and open-source, forever.