diff --git a/index.js b/index.js
index bb20cd8..20cd398 100644
--- a/index.js
+++ b/index.js
@@ -23,9 +23,11 @@ MpvuePlugin.prototype.apply = function(compiler) {
             return;
           }
           try {
-            let wxss = compilation.assets[wxssFile].source();
+            if (compilation.assets[wxssFile]) {
+              let wxss = compilation.assets[wxssFile].source();
               wxss = `@import "/${commonWxssFile}";\n${wxss}`;
               compilation.assets[wxssFile].source = () => wxss;
+            }
           } catch (error) {
             console.error(error, wxssFile)
           }
diff --git a/package.json b/package.json
index 505580c..8e00ba1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webpack-mpvue-asset-plugin",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "main": "index.js",
   "directories": {
     "lib": "lib"