更新

server/app/Providers/RepositoryServiceProvider.php

@@ -29,12 +29,15 @@ class RepositoryServiceProvider extends LumenRepositoryServiceProvider
 
     protected function bindRepository($path)
     {
-        $files = app(Filesystem::class)->files(base_path($path));
+        $files = app(Filesystem::class)->allFiles(base_path($path));
         if($files){
             collect($files)->map(function ($file) use ($path){
                 $filePath = $file->getRelativePathname();
-
-                $class = ucfirst($path).'\\';
+                $class = str_replace('/', '\\', $path).'\\';
+                if(!Str::contains($filePath, 'app')){
+                    $class = 'app\\'.$class;
+                }
+                $class = ucfirst($class);
                 $concrete = str_replace('Contracts', 'Eloquent', $class);
                 if(Str::contains($filePath,'/')){
                     list($directory, $file) = explode('/',$filePath);