diff --git a/src/com/wentch/redkale/convert/bson/BsonConvert.java b/src/com/wentch/redkale/convert/bson/BsonConvert.java
index 10aa02aa0..2d3b31867 100644
--- a/src/com/wentch/redkale/convert/bson/BsonConvert.java
+++ b/src/com/wentch/redkale/convert/bson/BsonConvert.java
@@ -14,7 +14,7 @@ import java.lang.reflect.*;
  *   1). 基本数据类型:  直接转换成byte[]
  *   2). SmallString(无特殊字符且长度小于256的字符串): length(1 byte) + byte[](utf8); 通常用于类名、字段名、枚举。
  *   3). String: length(4 bytes) + byte[](utf8);
- *   4). 数组(长度不能大于65535):  length(2 byte) + byte[]...
+ *   4). 数组:   length(4 bytes) + byte[]...
  *   5). Object: 
  *          1. realclass (SmallString) (如果指定格式化的class与实体对象的class不一致才会有该值)
  *          2. 空字符串(SmallString)
diff --git a/src/com/wentch/redkale/convert/bson/BsonReader.java b/src/com/wentch/redkale/convert/bson/BsonReader.java
index b4177b064..0af0c4cba 100644
--- a/src/com/wentch/redkale/convert/bson/BsonReader.java
+++ b/src/com/wentch/redkale/convert/bson/BsonReader.java
@@ -170,7 +170,7 @@ public final class BsonReader implements Reader {
      */
     @Override
     public int readArrayB() {
-        return readShort() & 0xffff;
+        return readInt();
     }
 
     @Override
diff --git a/src/com/wentch/redkale/convert/bson/BsonWriter.java b/src/com/wentch/redkale/convert/bson/BsonWriter.java
index 76f415049..e89e1273b 100644
--- a/src/com/wentch/redkale/convert/bson/BsonWriter.java
+++ b/src/com/wentch/redkale/convert/bson/BsonWriter.java
@@ -256,7 +256,7 @@ public final class BsonWriter implements Writer {
 
     @Override
     public void writeArrayB(int size) {
-        writeShort((short) size);
+        writeInt(size);
     }
 
     @Override