diff --git a/package.json b/package.json
index 1acf44a..4fe0b33 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mpbuild",
-    "version": "4.0.4",
+    "version": "4.0.5",
     "description": "",
     "main": "src/index.js",
     "scripts": {
diff --git a/src/loader/replace-loader.js b/src/loader/replace-loader.js
index f93f581..027c2e5 100644
--- a/src/loader/replace-loader.js
+++ b/src/loader/replace-loader.js
@@ -1,12 +1,15 @@
 /**
  * Created by ximing on 2019-03-14.
  */
+const obj = {};
+
 module.exports = function (opts) {
     let { search, replacement } = opts;
     return function replaceLoader(asset) {
         if (typeof replacement === 'function') {
             // Pass the vinyl file object as this.file
-            replacement = replacement.bind({ asset });
+            obj.asset = asset;
+            replacement = replacement.bind(obj);
         }
         if (search instanceof RegExp) {
             asset.contents = asset.contents.replace(search, replacement);
@@ -28,4 +31,4 @@ module.exports = function (opts) {
         }
         return asset;
     };
-};
+};
\ No newline at end of file