diff --git a/README.md b/README.md
index 213aa7c..4af34d3 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ One of the most useful functions of this lib is that it implements the network c
 allows you to construct, send, receive, and parse network packets. All of them are encapsulated in `go-mc/net`
 and `go-mc/net/packet`.
 
-这个库最核心的便是实现了Minecraft底层的网络通信协议，可以用与构造、发送、接收和解读MC数据包。这是靠 `go-mc/net` 和 `go-mc/net/packet`这两个包实现的。
+这个库最核心的便是实现了Minecraft底层的网络通信协议，可以用于构造、发送、接收和解读MC数据包。这是靠 `go-mc/net` 和 `go-mc/net/packet`这两个包实现的。
 
 ```go
 import "github.com/Tnze/go-mc/net"
diff --git a/examples/frameworkServer/main.go b/examples/frameworkServer/main.go
index 6a66f5a..c3e6005 100644
--- a/examples/frameworkServer/main.go
+++ b/examples/frameworkServer/main.go
@@ -38,8 +38,8 @@ func main() {
 		log.Fatalf("Load chunks fail: %v", err)
 	}
 
-	commands := server.NewCommandGraph()
-	handleFunc := func(args []command.ParsedData) error {
+	commands := command.NewGraph()
+	handleFunc := func(ctx context.Context, args []command.ParsedData) error {
 		log.Printf("Command: args: %v", args)
 		return nil
 	}