minor fix.

6f9e9cd5 · Qiang Xue · 2c8e0e80 · 6f9e9cd5
Commit 6f9e9cd5 authored Feb 26, 2014 by Qiang Xue
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Action.php framework/base/Action.php +2 -0

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--- a/framework/base/Action.php
+++ b/framework/base/Action.php
@@ -88,6 +88,8 @@ class Action extends Component
 			$result = call_user_func_array([$this, 'run'], $args);
 			$this->afterRun();
 			return $result;
+		} else {
+			return null;
 		}
 	}