diff --git a/lib/index.js b/lib/index.js
index 00c1107..b191b0b 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -64,7 +64,7 @@ export async function downloadUpdate(options) {
     await HotUpdate.downloadPatchFromPpk({
       updateUrl: options.diffUrl,
       hashName: options.hash,
-      originHash: currentVersion,
+      originHashName: currentVersion,
     });
   } else if (options.pdiffUrl) {
     await HotUpdate.downloadPatchFromPackage({