From 7b245c5a643ef6d0489c711910c1c378000c781a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BB=84=E5=A4=A7=E6=B5=B7?= <ouyang.huangzheng@gmail.com>
Date: Wed, 21 Aug 2019 14:33:31 +0800
Subject: [PATCH] fix #1762 (#1959)

---
 .../main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
index e61b6645..7cb7899b 100644
--- a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
+++ b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
@@ -317,7 +317,7 @@ public class JsonConversion {
                     buf.append("true");
                     break;
                 case LITERAL_NULL:
-                    buf.append("NULL");
+                    buf.append("null");
                     break;
                 case OPAQUE:
                     String text = null;