diff --git a/dbcon/mysql/ha_calpont_dml.cpp b/dbcon/mysql/ha_calpont_dml.cpp
index 9583d9f9e..c2dc36e47 100755
--- a/dbcon/mysql/ha_calpont_dml.cpp
+++ b/dbcon/mysql/ha_calpont_dml.cpp
@@ -1615,8 +1615,11 @@ int ha_calpont_impl_write_batch_row_(uchar *buf, TABLE* table, cal_impl_if::cal_
                 }
                 else if (ci.columnTypes[colpos].colWidth < 16777216)
                 {
-                    dataLength = *(uint32_t*) buf;
-                    buf = buf + 3 ;
+                    dataLength = *(uint16_t*) buf;
+                    buf = buf + 2 ;
+					if (*(uint8_t*)buf) 
+						dataLength += 256*256*(*(uint8_t*)buf) ;
+					buf++;
                 }
                 else
                 {