diff --git a/src/scanner/scan.ts b/src/scanner/scan.ts
index 6e2bd8f..016a54b 100644
--- a/src/scanner/scan.ts
+++ b/src/scanner/scan.ts
@@ -88,7 +88,7 @@ export class Scanner {
     }
 
     if (this.options.needWriteFile) {
-      await this.writeFile(`manifest.json`, JSON.stringify(result, null, 2));
+      await this.writeFile(path.resolve(root, 'manifest.json'), JSON.stringify(result, null, 2));
     }
 
     return result;