diff --git a/router/option.go b/router/option.go
index b79ce4a..ecee4bf 100644
--- a/router/option.go
+++ b/router/option.go
@@ -25,6 +25,17 @@ type serverOption struct {
 	loggerCfg            *middleware.AccessConfig // 日志配置
 	initContextData      gin.HandlerFunc          // 初始化一些请求数据
 	rateLimitInstance    abstract.IRateLimit      // 服务流控实例
+	demoCheck            gin.HandlerFunc          // demo检查
+}
+
+// WithDemoCheck 设置demo检查
+func WithDemoCheck(f gin.HandlerFunc) SetServerOptionFunc {
+	return func(so *serverOption) {
+		if nil == f {
+			return
+		}
+		so.demoCheck = f
+	}
 }
 
 // WithRateLimitInstance 设置流控实例, 配置为 nil, 代表禁用
diff --git a/router/server.go b/router/server.go
index 16e4f33..d0fcd50 100644
--- a/router/server.go
+++ b/router/server.go
@@ -143,6 +143,10 @@ func (s *Server) getGlobalMiddlewareList(option *serverOption) {
 			AllowFiles:             true,
 		}))
 	}
+	// demo 检查
+	if nil != option.demoCheck {
+		s.globalMiddlewareList = append(s.globalMiddlewareList, option.demoCheck)
+	}
 	if len(option.globalMiddlewareList) > 0 {
 		// 自定义全局中间件追加
 		s.globalMiddlewareList = append(s.globalMiddlewareList, option.globalMiddlewareList...)