diff --git a/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/SysMenuConverterTest.java b/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/SysMenuConverterTest.java
new file mode 100644
index 0000000..339f360
--- /dev/null
+++ b/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/SysMenuConverterTest.java
@@ -0,0 +1,99 @@
+package cn.novalon.manage.db.converter;
+
+import cn.novalon.manage.sys.core.domain.SysMenu;
+import cn.novalon.manage.db.entity.SysMenuEntity;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.time.LocalDateTime;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ExtendWith(MockitoExtension.class)
+class SysMenuConverterTest {
+
+    private SysMenuConverter converter;
+    private SysMenuEntity testEntity;
+    private SysMenu testDomain;
+
+    @BeforeEach
+    void setUp() {
+        converter = new SysMenuConverter();
+        
+        testEntity = new SysMenuEntity();
+        testEntity.setId(1L);
+        testEntity.setMenuName("用户管理");
+        testEntity.setParentId(0L);
+        testEntity.setOrderNum(1);
+        testEntity.setMenuType("M");
+        testEntity.setPerms("user:list");
+        testEntity.setComponent("user/index");
+        testEntity.setStatus(1);
+        testEntity.setCreateBy("admin");
+        testEntity.setUpdateBy("admin");
+        testEntity.setCreatedAt(LocalDateTime.now());
+        testEntity.setUpdatedAt(LocalDateTime.now());
+        
+        testDomain = new SysMenu();
+        testDomain.setId(1L);
+        testDomain.setMenuName("用户管理");
+        testDomain.setParentId(0L);
+        testDomain.setOrderNum(1);
+        testDomain.setMenuType("M");
+        testDomain.setPerms("user:list");
+        testDomain.setComponent("user/index");
+        testDomain.setStatus(1);
+        testDomain.setCreateBy("admin");
+        testDomain.setUpdateBy("admin");
+        testDomain.setCreatedAt(LocalDateTime.now());
+        testDomain.setUpdatedAt(LocalDateTime.now());
+    }
+
+    @Test
+    void testToDomain() {
+        SysMenu result = converter.toDomain(testEntity);
+        
+        assertThat(result).isNotNull();
+        assertThat(result.getId()).isEqualTo(testEntity.getId());
+        assertThat(result.getMenuName()).isEqualTo(testEntity.getMenuName());
+        assertThat(result.getParentId()).isEqualTo(testEntity.getParentId());
+        assertThat(result.getOrderNum()).isEqualTo(testEntity.getOrderNum());
+        assertThat(result.getMenuType()).isEqualTo(testEntity.getMenuType());
+        assertThat(result.getPerms()).isEqualTo(testEntity.getPerms());
+        assertThat(result.getComponent()).isEqualTo(testEntity.getComponent());
+        assertThat(result.getStatus()).isEqualTo(testEntity.getStatus());
+        assertThat(result.getCreateBy()).isEqualTo(testEntity.getCreateBy());
+        assertThat(result.getUpdateBy()).isEqualTo(testEntity.getUpdateBy());
+    }
+
+    @Test
+    void testToEntity() {
+        SysMenuEntity result = converter.toEntity(testDomain);
+        
+        assertThat(result).isNotNull();
+        assertThat(result.getId()).isEqualTo(testDomain.getId());
+        assertThat(result.getMenuName()).isEqualTo(testDomain.getMenuName());
+        assertThat(result.getParentId()).isEqualTo(testDomain.getParentId());
+        assertThat(result.getOrderNum()).isEqualTo(testDomain.getOrderNum());
+        assertThat(result.getMenuType()).isEqualTo(testDomain.getMenuType());
+        assertThat(result.getPerms()).isEqualTo(testDomain.getPerms());
+        assertThat(result.getComponent()).isEqualTo(testDomain.getComponent());
+        assertThat(result.getStatus()).isEqualTo(testDomain.getStatus());
+        assertThat(result.getCreateBy()).isEqualTo(testDomain.getCreateBy());
+        assertThat(result.getUpdateBy()).isEqualTo(testDomain.getUpdateBy());
+    }
+
+    @Test
+    void testToDomainWithNull() {
+        SysMenu result = converter.toDomain(null);
+        assertThat(result).isNull();
+    }
+
+    @Test
+    void testToEntityWithNull() {
+        SysMenuEntity result = converter.toEntity(null);
+        assertThat(result).isNull();
+    }
+}
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