diff --git a/orm/src/main/java/com/zfoo/orm/cache/EntityCache.java b/orm/src/main/java/com/zfoo/orm/cache/EntityCache.java
index 51a94b90..15182bde 100644
--- a/orm/src/main/java/com/zfoo/orm/cache/EntityCache.java
+++ b/orm/src/main/java/com/zfoo/orm/cache/EntityCache.java
@@ -139,10 +139,7 @@ public class EntityCache<PK extends Comparable<PK>, E extends IEntity<PK>> imple
 
     @Override
     public void update(E entity) {
-        AssertionUtils.notNull(entity);
-
         var currentPnode = cache.getIfPresent(entity.id());
-
         if (currentPnode == null) {
             currentPnode = new PNode<>(entity);
             cache.put(entity.id(), currentPnode);
@@ -168,6 +165,16 @@ public class EntityCache<PK extends Comparable<PK>, E extends IEntity<PK>> imple
         currentPnode.setModifiedTime(TimeUtils.now() + 100);
     }
 
+    @Override
+    public void updateUnsafe(E entity) {
+        var currentPnode = cache.getIfPresent(entity.id());
+        if (currentPnode == null) {
+            currentPnode = new PNode<>(entity);
+            cache.put(entity.id(), currentPnode);
+        }
+        currentPnode.setModifiedTime(TimeUtils.now() + 100);
+    }
+
     @Override
     public void updateNow(E entity) {
         update(entity);
diff --git a/orm/src/main/java/com/zfoo/orm/cache/IEntityCache.java b/orm/src/main/java/com/zfoo/orm/cache/IEntityCache.java
index 5388bbbf..24f57ec7 100644
--- a/orm/src/main/java/com/zfoo/orm/cache/IEntityCache.java
+++ b/orm/src/main/java/com/zfoo/orm/cache/IEntityCache.java
@@ -32,6 +32,11 @@ public interface IEntityCache<PK extends Comparable<PK>, E extends IEntity<PK>>
      */
     void update(E entity);
 
+    /**
+     * 同update()，不会校验更新的线程是否一致
+     */
+    void updateUnsafe(E entity);
+
     /**
      * 更新缓存中的数据，立刻写入到数据库
      */