diff --git a/.changeset/strong-avocados-prove.md b/.changeset/strong-avocados-prove.md
new file mode 100644
index 0000000..f33488d
--- /dev/null
+++ b/.changeset/strong-avocados-prove.md
@@ -0,0 +1,5 @@
+---
+"@zcloak/message": patch
+---
+
+fix batch encrypt param
diff --git a/packages/message/src/encrypt/index.ts b/packages/message/src/encrypt/index.ts
index 09391eb..20e26c3 100644
--- a/packages/message/src/encrypt/index.ts
+++ b/packages/message/src/encrypt/index.ts
@@ -100,7 +100,7 @@ export async function batchEncryptMessage(
     };
   });
 
-  const results = await sender.batchEncrypt(messages, sender.id, resolver);
+  const results = await sender.batchEncrypt(messages, undefined, resolver);
 
   return results.map((result, index) => {
     const ctype = getCtype('Send_issuedVC', data[index]);