diff --git a/src/org/redkale/source/DataJdbcSource.java b/src/org/redkale/source/DataJdbcSource.java
index e625577f3..8fe01a332 100644
--- a/src/org/redkale/source/DataJdbcSource.java
+++ b/src/org/redkale/source/DataJdbcSource.java
@@ -174,9 +174,11 @@ public class DataJdbcSource extends DataSqlSource<Connection> {
                 prestmt.setObject(++i, ((AtomicInteger) val).get());
             } else if (val instanceof AtomicLong) {
                 prestmt.setObject(++i, ((AtomicLong) val).get());
-            } else if (val != null && !(val instanceof Number) && !(val instanceof CharSequence) && !(entity instanceof java.util.Date)
+            } else if (val != null && !(val instanceof Number) && !(val instanceof CharSequence) && !(val instanceof java.util.Date)
                 && !val.getClass().getName().startsWith("java.sql.") && !val.getClass().getName().startsWith("java.time.")) {
                 prestmt.setObject(++i, info.jsonConvert.convertTo(attr.genericType(), val));
+            } else if (val == null && info.isNotNullJson(attr)) {
+                prestmt.setObject(++i, "");
             } else {
                 prestmt.setObject(++i, val);
             }
diff --git a/src/org/redkale/source/EntityInfo.java b/src/org/redkale/source/EntityInfo.java
index 655dfbeed..f516f8615 100644
--- a/src/org/redkale/source/EntityInfo.java
+++ b/src/org/redkale/source/EntityInfo.java
@@ -1084,6 +1084,16 @@ public final class EntityInfo<T> {
         return attr == null ? false : notNullColumns.contains(attr.field());
     }
 
+    public boolean isNotNullJson(Attribute<T, Serializable> attr) {
+        if (attr == null) return false;
+        return notNullColumns.contains(attr.field())
+            && !Number.class.isAssignableFrom(attr.type())
+            && !CharSequence.class.isAssignableFrom(attr.type())
+            && java.util.Date.class != attr.type()
+            && !attr.type().getName().startsWith("java.sql.")
+            && !attr.type().getName().startsWith("java.time.");
+    }
+
     /**
      * 判断日志级别
      *