diff --git a/src/Container.php b/src/Container.php
index 4acf2b9..c96307f 100755
--- a/src/Container.php
+++ b/src/Container.php
@@ -74,7 +74,19 @@ public function get($name)
 
         $service = $this->services[$name];
 
-        return is_callable($service) ? $service($this) : $service;
+        if (is_object($service)) {
+            // magic invoke class
+            if (method_exists($service, '__invoke')) {
+                return $service;
+            }
+
+            // anonymous function
+            if (is_callable($service)) {
+                return $service($this);
+            }
+        }
+
+        return $service;
     }
 
     /**
diff --git a/src/DependDetection.php b/src/DependDetection.php
index 09e0d80..c751767 100644
--- a/src/DependDetection.php
+++ b/src/DependDetection.php
@@ -11,6 +11,7 @@
 
 use Closure;
 use ReflectionClass;
+use ReflectionFunction;
 use ReflectionFunctionAbstract;
 use ReflectionMethod;
 
@@ -38,7 +39,7 @@ public static function detectionObjectArgs($obj, $method)
      */
     public static function detectionClosureArgs(Closure $closure)
     {
-        $reflection = new \ReflectionFunction($closure);
+        $reflection = new ReflectionFunction($closure);
         return static::detectionArgs($reflection);
     }
 
diff --git a/src/Support/helpers.php b/src/Support/helpers.php
new file mode 100644
index 0000000..18f1db7
--- /dev/null
+++ b/src/Support/helpers.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * @author    jan huang <bboyjanhuang@gmail.com>
+ * @copyright 2016
+ *
+ * @link      https://www.github.com/janhuang
+ * @link      http://www.fast-d.cn/
+ */
+
+function container($key, $callback = null) {
+
+}
+
+function injection () {
+
+}
+
+function reflection () {
+
+}
\ No newline at end of file