diff --git a/index.js b/index.js
index e907177..8c98aec 100644
--- a/index.js
+++ b/index.js
@@ -25,11 +25,18 @@ async function main() {
 
     Object.keys(objects).forEach(element => {
         let hash = objects[element].hash;
+        let srcfilepath = join(srcpath, hash.substring(0, 2), hash);
         let distfilepath = join(distpath, element);
+
         if (!fs.existsSync(distfilepath)) {
             fs.mkdirSync(dirname(distfilepath), { recursive: true });
         }
-        fs.renameSync(join(srcpath, hash.substring(0, 2), hash), distfilepath);
+
+        if (fs.existsSync(srcfilepath)) {
+            fs.copyFileSync(srcfilepath, distfilepath);
+        } else {
+            console.log(`文件不存在：${srcfilepath}`)
+        }
     });
 }