增加服务退出时, finish hook支持

example/server.go

@@ -23,7 +23,7 @@ import (
 )
 
 func main() {
-	websocket.NewWebsocketServe(&Example{})
+	_ = websocket.NewWebsocketServe(nil, &Example{})
 }
 
 type Example struct {
@@ -31,7 +31,7 @@ type Example struct {
 
 func (e Example) Connect(ctx *context.WSContext) error {
 	fmt.Println("建立连接成功")
-	message.Response(ctx, map[string]interface{}{"say": "hello world!", "cid": ctx.ConnectionID})
+	_ = message.Response(ctx, map[string]interface{}{"say": "hello world!", "cid": ctx.ConnectionID})
 	return nil
 }