diff --git a/lib/util.js b/lib/util.js
index 1fee41e5..8f8c9b31 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -528,16 +528,14 @@
          * @pObj
          */
         this.getNamesFromObjArray       = function(arr) {
-            var ret     = [],
-                isArray = Util.type.array(arr);
+            var ret     = [];
             
-            if (arr && !isArray)
-                arr = arr.data;
+            if (!Array.isArray(arr))
+                throw(Error('arr should be array!'));
             
-            if (arr)
-                arr.forEach(function(item) {
-                    ret.push(item.name || item);
-                });
+            arr.forEach(function(item) {
+                ret.push(item.name);
+            });
             
             return ret;
         };