diff --git a/lib/filter.js b/lib/filter.js
index 27fb6e9..8aa00c4 100644
--- a/lib/filter.js
+++ b/lib/filter.js
@@ -28,10 +28,7 @@ function logic_html(str, data) {
     var result = Htmlminifier(str, options);
     var saved = ((str.length - result.length) / str.length * 100).toFixed(2);
     log.log('neat the html: %s [ %s saved]', path, saved + '%');
-    var now = new Date();
-    // var prefix='<!-- build time:'+ now.getFullYear() +"年"+(now.getMonth() + 1)+"月"+now.getDate()+"日"
-    // +now.getHours()+":"+now.getMinutes()+":"
-    var prefix = '<!-- build time:' + now.toLocaleString() + " -->";
+    var prefix = '<!-- build time:' + Date() + " -->";
     var end = '<!-- rebuild by neat -->';
     result = prefix + result + end;
     return result;
@@ -58,7 +55,7 @@ function logic_css(str, data) {
         new CleanCSS(options).minify(str, function(err, result) {
             if (err) return reject(err);
             var saved = ((str.length - result.styles.length) / str.length * 100).toFixed(2);
-            var prefix = '/* build time:' + new Date().toLocaleString() + "*/\n";
+            var prefix = '/* build time:' + Date().toLocaleString() + "*/\n";
             var end = '\n/* rebuild by neat */';
             var css_result = prefix + result.styles + end;
             resolve(css_result);
@@ -87,7 +84,7 @@ function logic_js(str, data) {
     var result = UglifyJS.minify(str, options);
     var saved = ((str.length - result.code.length) / str.length * 100).toFixed(2);
     log.log('neat the js: %s [ %s saved]', path, saved + '%');
-    var prefix = '// build time:' + new Date().toLocaleString() + "\n";
+    var prefix = '// build time:' + Date().toLocaleString() + "\n";
     var end = '\n//rebuild by neat ';
     var js_result = prefix + result.code + end;
     return js_result;
diff --git a/package.json b/package.json
index dfbd348..e6002ad 100644
--- a/package.json
+++ b/package.json
@@ -33,5 +33,5 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
-  "version": "1.0.3"
+  "version": "1.0.4"
 }