diff --git a/src/org/redkale/convert/bson/BsonByteBufferWriter.java b/src/org/redkale/convert/bson/BsonByteBufferWriter.java
index 540da7513..5bf18f4d2 100644
--- a/src/org/redkale/convert/bson/BsonByteBufferWriter.java
+++ b/src/org/redkale/convert/bson/BsonByteBufferWriter.java
@@ -23,6 +23,10 @@ public class BsonByteBufferWriter extends BsonWriter {
 
     private int index;
 
+    public BsonByteBufferWriter(Supplier<ByteBuffer> supplier) {
+        this(false, supplier);
+    }
+
     protected BsonByteBufferWriter(boolean tiny, Supplier<ByteBuffer> supplier) {
         super((byte[]) null);
         this.tiny = tiny;