diff --git a/src/common/utils/MessageUnique.ts b/src/common/utils/MessageUnique.ts
index 30a65cb4..30c4d09d 100644
--- a/src/common/utils/MessageUnique.ts
+++ b/src/common/utils/MessageUnique.ts
@@ -74,7 +74,7 @@ class MessageUniqueWrapper {
   createMsg(peer: Peer, msgId: string): number | undefined {
     const key = `${msgId}|${peer.chatType}|${peer.peerUid}`;
     const hash = crypto.createHash('sha1').update(key);
-    const shortId = parseInt(hash.digest('hex').slice(0, 8), 16);
+    const shortId = Buffer.from(hash.digest('hex').slice(0, 8),'hex').readInt32BE();
     const isExist = this.msgIdMap.getKey(shortId);
     //console.log(`${peer.peerUid} ${msgId} ------- ${shortId}`);
     if (isExist && isExist === msgId) {