diff --git a/src/modules/form.js b/src/modules/form.js
index 4cc1e9af..a61f3ff7 100644
--- a/src/modules/form.js
+++ b/src/modules/form.js
@@ -105,9 +105,12 @@ layui.define(['lay', 'layer', 'util'], function(exports){
       var itemForm = $(this);
       
       // 赋值
-      layui.each(object, function(key, value){
-        var itemElem = itemForm.find('[name="'+ key +'"]')
-        ,type;
+      for(var key in object){
+        if(!lay.hasOwn(object, key)) continue;
+
+        var type;
+        var value = object[key];
+        var itemElem = itemForm.find('[name="'+ key +'"]');
         
         // 如果对应的表单不存在，则不执行
         if(!itemElem[0]) return;
@@ -123,7 +126,7 @@ layui.define(['lay', 'layer', 'util'], function(exports){
         } else { // 其它类型的表单
           itemElem.val(value);
         }
-      });
+      };
     });
     
     form.render(null, filter);
diff --git a/src/modules/lay.js b/src/modules/lay.js
index d9464f50..bea31c45 100644
--- a/src/modules/lay.js
+++ b/src/modules/lay.js
@@ -770,6 +770,11 @@
       listener, 
       lay.passiveSupported ? { passive: true, capture: useCapture } : useCapture
     );
+  }
+
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  lay.hasOwn = function(obj, prop){
+    return hasOwnProperty.call(obj, prop);
   };