diff --git a/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/DictionaryConverterTest.java b/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/DictionaryConverterTest.java
new file mode 100644
index 0000000..cd69f7b
--- /dev/null
+++ b/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/DictionaryConverterTest.java
@@ -0,0 +1,91 @@
+package cn.novalon.manage.db.converter;
+
+import cn.novalon.manage.sys.core.domain.Dictionary;
+import cn.novalon.manage.db.entity.DictionaryEntity;
+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 DictionaryConverterTest {
+
+    private DictionaryConverter converter;
+    private DictionaryEntity testEntity;
+    private Dictionary testDomain;
+
+    @BeforeEach
+    void setUp() {
+        converter = new DictionaryConverter();
+        
+        testEntity = new DictionaryEntity();
+        testEntity.setId(1L);
+        testEntity.setType("user_status");
+        testEntity.setCode("active");
+        testEntity.setName("正常");
+        testEntity.setValue("0");
+        testEntity.setRemark("用户正常状态");
+        testEntity.setSort(1);
+        testEntity.setCreateBy("admin");
+        testEntity.setCreatedAt(LocalDateTime.now());
+        testEntity.setUpdatedAt(LocalDateTime.now());
+        
+        testDomain = new Dictionary();
+        testDomain.setId(1L);
+        testDomain.setType("user_status");
+        testDomain.setCode("active");
+        testDomain.setName("正常");
+        testDomain.setValue("0");
+        testDomain.setRemark("用户正常状态");
+        testDomain.setSort(1);
+        testDomain.setCreateBy("admin");
+        testDomain.setCreatedAt(LocalDateTime.now());
+        testDomain.setUpdatedAt(LocalDateTime.now());
+    }
+
+    @Test
+    void testToDomain() {
+        Dictionary result = converter.toDomain(testEntity);
+        
+        assertThat(result).isNotNull();
+        assertThat(result.getId()).isEqualTo(testEntity.getId());
+        assertThat(result.getType()).isEqualTo(testEntity.getType());
+        assertThat(result.getCode()).isEqualTo(testEntity.getCode());
+        assertThat(result.getName()).isEqualTo(testEntity.getName());
+        assertThat(result.getValue()).isEqualTo(testEntity.getValue());
+        assertThat(result.getRemark()).isEqualTo(testEntity.getRemark());
+        assertThat(result.getSort()).isEqualTo(testEntity.getSort());
+        assertThat(result.getCreateBy()).isEqualTo(testEntity.getCreateBy());
+    }
+
+    @Test
+    void testToEntity() {
+        DictionaryEntity result = converter.toEntity(testDomain);
+        
+        assertThat(result).isNotNull();
+        assertThat(result.getId()).isEqualTo(testDomain.getId());
+        assertThat(result.getType()).isEqualTo(testDomain.getType());
+        assertThat(result.getCode()).isEqualTo(testDomain.getCode());
+        assertThat(result.getName()).isEqualTo(testDomain.getName());
+        assertThat(result.getValue()).isEqualTo(testDomain.getValue());
+        assertThat(result.getRemark()).isEqualTo(testDomain.getRemark());
+        assertThat(result.getSort()).isEqualTo(testDomain.getSort());
+        assertThat(result.getCreateBy()).isEqualTo(testDomain.getCreateBy());
+    }
+
+    @Test
+    void testToDomainWithNull() {
+        Dictionary result = converter.toDomain(null);
+        assertThat(result).isNull();
+    }
+
+    @Test
+    void testToEntityWithNull() {
+        DictionaryEntity result = converter.toEntity(null);
+        assertThat(result).isNull();
+    }
+}
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