diff --git a/lib/prod.js b/lib/prod.js
index cee35bb..26dd654 100644
--- a/lib/prod.js
+++ b/lib/prod.js
@@ -107,9 +107,11 @@ export default function compile(root = '', dist = '', conf = {}) {
     }
 
     fs.ls(PUBLIC_DIR, true).forEach(it => {
-      let name = it.slice(PUBLIC_DIR.length + 1)
-      console.log('正在复制静态文件 %s ...', name)
-      fs.cp(it, join(dist, name))
+      if (fs.isfile(it)) {
+        let name = it.slice(PUBLIC_DIR.length + 1)
+        console.log('正在复制静态文件 %s ...', name)
+        fs.cp(it, join(dist, name))
+      }
     })
   }