diff --git a/application/default/controllers/HiwaterController.php b/application/default/controllers/HiwaterController.php
index 71f65910..75adb558 100644
--- a/application/default/controllers/HiwaterController.php
+++ b/application/default/controllers/HiwaterController.php
@@ -241,7 +241,7 @@ class HiwaterController extends DataController
 	}	
 	function bnulaiAction()
 	{
-		$this->getmd(array('','LAI'));
+		$this->getmdlimited('LAI','生态水文无线传感器网络');
 		$this->_helper->viewRenderer('base');
 	}