$enforcer->setWatcher($watcher); 放上面

放下面：echo "Now should reload all policies." . PHP_EOL; 不会被执行

Author: Tinywan

README.md

@@ -40,16 +40,15 @@ $worker->onWorkerStart = function () {
     // Initialize the Enforcer.
     $enforcer = new Enforcer("path/to/model.conf", "path/to/policy.csv");
 
+    $enforcer->setWatcher($watcher);
+    
     // Set callback, sets the callback function that the watcher will call,
     // When the policy in DB has been changed by other instances.
     // A classic callback is $enforcer->loadPolicy().
     $watcher->setUpdateCallback(function () use ($enforcer) {
         echo "Now should reload all policies." . PHP_EOL;
         $enforcer->loadPolicy();
     });
-
-    $enforcer->setWatcher($watcher);
-
 };
 
 Worker::runAll();