diff --git a/lib/util.js b/lib/util.js
index 044dc323..1fee41e5 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -549,29 +549,32 @@
          * @param name
          */
         this.findObjByNameInArr         = function(array, name) {
-            var ret,
-                isArray = Util.type.array(array);
+            var ret;
             
-            if (isArray) {
-                array.some(function(item) {
-                    var is = item.name === name,
-                        isArray = Util.type.array(item);
-                    
-                    if (is)
-                        ret = item;
-                    else if (isArray)
-                        item.some(function(item) {
-                            is = item.name === name;
-                            
-                            if (is)
-                                ret = item.data;
-                            
-                            return is;
-                        });
-                    
-                    return is;
-                });
-            }
+             if (!Array.isArray(array))
+                throw(Error('array should be array!'));
+                
+            if (typeof name !== 'string')
+                throw(Error('name should be string!'));
+            
+            array.some(function(item) {
+                var is = item.name === name,
+                    isArray = Util.type.array(item);
+                
+                if (is)
+                    ret = item;
+                else if (isArray)
+                    item.some(function(item) {
+                        is = item.name === name;
+                        
+                        if (is)
+                            ret = item.data;
+                        
+                        return is;
+                    });
+                
+                return is;
+            });
             
             return ret;
         };