diff --git a/assets/collection/collection.js b/assets/collection/collection.js
index 0ee0465..9a3c019 100644
--- a/assets/collection/collection.js
+++ b/assets/collection/collection.js
@@ -106,7 +106,7 @@ kit.PluginManager.register('collection',function(module, exports, require, globa
     Collection.prototype.map = function (callback) {
         var res = getSimilarInstance(this.type);
         for (var key of Object.keys(this.data)) {
-            res.put(key, callback(this.data[key], key, this.data));
+            res.put(key, valueEx(callback, this.data[key], key, this.data));
         }
         return res;
     };
@@ -157,7 +157,7 @@ kit.PluginManager.register('collection',function(module, exports, require, globa
     Collection.prototype.filter = function (callback = filter) {
         var res = getSimilarInstance(this.type);
         this.each(function (value, key, arr) {
-            if(callback(value, key, arr)) {
+            if(valueEx(callback, value, key, arr)) {
                 res.put(key, value);
             }
         });
@@ -166,7 +166,7 @@ kit.PluginManager.register('collection',function(module, exports, require, globa
     Collection.prototype.every = function (callback) {
         var res = true;
         this.each(function (value, key, arr) {
-            res = res && !!callback(value, key, arr);
+            res = res && !!valueEx(callback, value, key, arr);
         });
         return res;
     };