diff --git a/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js b/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js
index e3b14d8b..dcbcb39f 100644
--- a/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js
+++ b/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js
@@ -250,11 +250,13 @@ export default async function getConfig({
         };
     }))].filter(Boolean);
     // const publicCopyIgnore = ['.DS_Store'];
-    webpackConfig
-        .plugin('copy')
-        .use(require.resolve('copy-webpack-plugin'), [{
-            patterns: copyPatterns
-        }]);
+    if (copyPatterns.length) {
+        webpackConfig
+            .plugin('copy')
+            .use(require.resolve('copy-webpack-plugin'), [{
+                patterns: copyPatterns
+            }]);
+    }
 
     // --------------- define -----------
     createDefineWebpackConfig({