diff --git a/API_Reference/milvus-sdk-go/v2.5.x/About.md b/API_Reference/milvus-sdk-go/v2.5.x/About.md
index f2d288ce89..e3ac9556db 100644
--- a/API_Reference/milvus-sdk-go/v2.5.x/About.md
+++ b/API_Reference/milvus-sdk-go/v2.5.x/About.md
@@ -52,6 +52,8 @@ import "github.com/milvus-io/milvus/client/v2/milvusclient"
  if err != nil {
  	// handle error
  }
+ // Don't forget to close the connection:
+ defer cli.Close(ctx)
 
  // Do your work with milvus client
 ```
diff --git a/API_Reference/milvus-sdk-go/v2.5.x/Client/New.md b/API_Reference/milvus-sdk-go/v2.5.x/Client/New.md
index b260418200..d735496bff 100644
--- a/API_Reference/milvus-sdk-go/v2.5.x/Client/New.md
+++ b/API_Reference/milvus-sdk-go/v2.5.x/Client/New.md
@@ -124,5 +124,7 @@ import (
 mclient, err := client.NewClient(context.Background(), client.ClientConfig{
    Address: "http://localhost:19530",
 })
+// Don't forget to close the connection:
+defer mclient.Close(ctx)
 ```