diff --git a/src/org/redkale/source/DataDefaultSource.java b/src/org/redkale/source/DataDefaultSource.java
index 11e25aedf..4e6a20c2a 100644
--- a/src/org/redkale/source/DataDefaultSource.java
+++ b/src/org/redkale/source/DataDefaultSource.java
@@ -471,7 +471,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
             int index = 0;
             for (final T value : values) {
                 int i = 0;
-                if (info.distributed) info.createPrimaryValue(value);
+                if (info.distributed || info.autoUUID) info.createPrimaryValue(value);
                 for (Attribute<T, Serializable> attr : attrs) {
                     Object a = attr.get(value);
                     ps[i] = FilterNode.formatToString(a);
diff --git a/src/org/redkale/source/EntityInfo.java b/src/org/redkale/source/EntityInfo.java
index c9b9d4986..973f1c461 100644
--- a/src/org/redkale/source/EntityInfo.java
+++ b/src/org/redkale/source/EntityInfo.java
@@ -93,6 +93,8 @@ public final class EntityInfo<T> {
 
     final boolean autoGenerated;
 
+    final boolean autoUUID;
+
     final boolean distributed;
 
     boolean initedPrimaryValue = false;
@@ -173,6 +175,7 @@ public final class EntityInfo<T> {
         List<String> updatecols = new ArrayList<>();
         List<Attribute<T, Serializable>> updateattrs = new ArrayList<>();
         boolean auto = false;
+        boolean uuid = false;
         boolean sqldistribute = false;
         int allocationSize0 = 0;
 
@@ -213,6 +216,11 @@ public final class EntityInfo<T> {
                         allocationSize0 = dg.allocationSize();
                         primaryValue.set(dg.initialValue());
                     }
+                    if (gv != null && field.getType() == String.class) { //UUID
+                        uuid = true;
+                        auto = false;
+                    }
+
                     if (!auto) {
                         insertcols.add(sqlfield);
                         insertattrs.add(attr);
@@ -264,6 +272,7 @@ public final class EntityInfo<T> {
             this.querySQL = null;
         }
         this.autoGenerated = auto;
+        this.autoUUID = uuid;
         this.distributed = sqldistribute;
         this.allocationSize = allocationSize0;
         //----------------cache--------------
@@ -282,6 +291,10 @@ public final class EntityInfo<T> {
     }
 
     public void createPrimaryValue(T src) {
+        if (autoUUID) {
+            getPrimary().set(src, Utility.uuid());
+            return;
+        }
         long v = allocationSize > 1 ? (primaryValue.incrementAndGet() * allocationSize + nodeid) : primaryValue.incrementAndGet();
         if (primary.type() == int.class || primary.type() == Integer.class) {
             getPrimary().set(src, (Integer) ((Long) v).intValue());