diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/common/StandardMessageCodec.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/common/StandardMessageCodec.ets
index ffc69484525d50d24e68119a83d839587a6fa084..d9b52ff3efb983a94766e8b8fbee154f9834071a 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/common/StandardMessageCodec.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/common/StandardMessageCodec.ets
@@ -196,7 +196,7 @@ export default class StandardMessageCodec implements MessageCodec<ESObject> {
 
     writeBytes(stream: ByteBuffer, bytes: Uint8Array) {
         this.writeSize(stream, bytes.length)
-        bytes.forEach(item => stream.writeInt8(item))
+        stream.writeUint8Array(bytes);
     }
 
     readSize(buffer: ByteBuffer) {