diff --git a/epmet-user/epmet-user-server/src/test/java/com/epmet/dao/IcNatDaoTest.java b/epmet-user/epmet-user-server/src/test/java/com/epmet/dao/IcNatDaoTest.java
new file mode 100644
index 0000000000..d650f19cb3
--- /dev/null
+++ b/epmet-user/epmet-user-server/src/test/java/com/epmet/dao/IcNatDaoTest.java
@@ -0,0 +1,30 @@
+package com.epmet.dao;
+
+import com.epmet.entity.IcNatEntity;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.ArrayList;
+import java.util.List;
+@SpringBootTest
+@RunWith(SpringRunner.class)
+public class IcNatDaoTest {
+    @Autowired
+    private IcNatDao icNatDao;
+
+    @Test
+    public void updateBatchNat() {
+        List<IcNatEntity> entities = new ArrayList<>();
+        for (int i = 0; i < 2; i++) {
+            IcNatEntity en = new IcNatEntity();
+            en.setNatResult("222222"+i);
+            en.setUserId(""+i);
+            en.setIdCard("card"+i);
+            entities.add(en);
+        }
+        icNatDao.updateBatchNat(entities);
+    }
+}