解决导航管理在php5.6中的错误

Author: leeqvip

src/controller/Nav.php

@@ -31,7 +31,7 @@ public function edit(Request $request)
 
         $parents = $this->model->flatTree();
 
-        $targets = $this->model::mapTarget();
+        $targets = $this->model->mapTarget();
 
         return $this->fetch('nav/edit', [
             'nav' => $nav,