diff --git a/src/main/java/racal/sunyard/main/SydApi4j.java b/src/main/java/racal/sunyard/main/SydApi4j.java
index 5cd7f72..f4c47f9 100644
--- a/src/main/java/racal/sunyard/main/SydApi4j.java
+++ b/src/main/java/racal/sunyard/main/SydApi4j.java
@@ -6966,7 +6966,7 @@ public class SydApi4j implements SydApi {
             int isLast = bb.get();
             byte[] dataLenArr = new byte[2];
             bb.get(dataLenArr);
-            int dataLen = ByteUtil.bytesToInt(dataLenArr, ByteOrder.BIG_ENDIAN);
+            int dataLen = ByteUtil.bytesToShort(dataLenArr, ByteOrder.BIG_ENDIAN);
 //            byte[] data = new byte[dataLen];
 //            bb.get(data);
             ByteBuffer slice = ByteBufferUtil.sliceAndConsume(bb, dataLen);
@@ -7096,7 +7096,7 @@ public class SydApi4j implements SydApi {
             int isLast = bb.get();
             byte[] dataLenArr = new byte[2];
             bb.get(dataLenArr);
-            int dataLen = ByteUtil.bytesToInt(dataLenArr, ByteOrder.BIG_ENDIAN);
+            int dataLen = ByteUtil.bytesToShort(dataLenArr, ByteOrder.BIG_ENDIAN);
             ByteBuffer slice = ByteBufferUtil.sliceAndConsume(bb, dataLen);
             return new MutiReturn7(retCode, isLast, slice);
         } else {