         let composeBtnWidth = tabBar.bounds.width / count
         compose.frame = tabBar.bounds.insetBy(dx: composeBtnWidth * 2, dy: 0)
         
-        
+        compose.addTarget(self, action: #selector(composeStatus), for: .touchUpInside)
     }
     
     //设置子控制器
-    func setupControllers() {
+    fileprivate  func setupControllers() {
         let array = [
             ["clsName": "LSHomeController", "title" : "首页", "imageName": "home"],
             ["clsName": "LSDiscoverController", "title" : "发现", "imageName": "discover"],

       
    }
    
    lazy var compose: UIButton = UIButton.cz_imageButton("tabbar_compose_icon_add", backgroundImageName: "tabbar_compose_button")


}

extension LSMainController {
    
    //设置加号按钮
    fileprivate func setupComposeButton() {
        
        tabBar.addSubview(compose)
        
