diff --git a/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/SysExceptionLogConverterTest.java b/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/SysExceptionLogConverterTest.java
new file mode 100644
index 0000000..d9e5fee
--- /dev/null
+++ b/novalon-manage-api/manage-db/src/test/java/cn/novalon/manage/db/converter/SysExceptionLogConverterTest.java
@@ -0,0 +1,95 @@
+package cn.novalon.manage.db.converter;
+
+import cn.novalon.manage.sys.core.domain.SysExceptionLog;
+import cn.novalon.manage.db.entity.SysExceptionLogEntity;
+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 SysExceptionLogConverterTest {
+
+    private SysExceptionLogConverter converter;
+    private SysExceptionLogEntity testEntity;
+    private SysExceptionLog testDomain;
+
+    @BeforeEach
+    void setUp() {
+        converter = new SysExceptionLogConverter();
+        
+        testEntity = new SysExceptionLogEntity();
+        testEntity.setId(1L);
+        testEntity.setUsername("admin");
+        testEntity.setTitle("系统异常");
+        testEntity.setExceptionName("NullPointerException");
+        testEntity.setMethodName("getUserById");
+        testEntity.setMethodParams("{\"id\":1}");
+        testEntity.setExceptionMsg("空指针异常");
+        testEntity.setExceptionStack("java.lang.NullPointerException\n\tat...");
+        testEntity.setIp("127.0.0.1");
+        testEntity.setCreateTime(LocalDateTime.now());
+        
+        testDomain = new SysExceptionLog();
+        testDomain.setId(1L);
+        testDomain.setUsername("admin");
+        testDomain.setTitle("系统异常");
+        testDomain.setExceptionName("NullPointerException");
+        testDomain.setMethodName("getUserById");
+        testDomain.setMethodParams("{\"id\":1}");
+        testDomain.setExceptionMsg("空指针异常");
+        testDomain.setExceptionStack("java.lang.NullPointerException\n\tat...");
+        testDomain.setIp("127.0.0.1");
+        testDomain.setCreateTime(LocalDateTime.now());
+    }
+
+    @Test
+    void testToDomain() {
+        SysExceptionLog result = converter.toDomain(testEntity);
+        
+        assertThat(result).isNotNull();
+        assertThat(result.getId()).isEqualTo(testEntity.getId());
+        assertThat(result.getUsername()).isEqualTo(testEntity.getUsername());
+        assertThat(result.getTitle()).isEqualTo(testEntity.getTitle());
+        assertThat(result.getExceptionName()).isEqualTo(testEntity.getExceptionName());
+        assertThat(result.getMethodName()).isEqualTo(testEntity.getMethodName());
+        assertThat(result.getMethodParams()).isEqualTo(testEntity.getMethodParams());
+        assertThat(result.getExceptionMsg()).isEqualTo(testEntity.getExceptionMsg());
+        assertThat(result.getExceptionStack()).isEqualTo(testEntity.getExceptionStack());
+        assertThat(result.getIp()).isEqualTo(testEntity.getIp());
+        assertThat(result.getCreateTime()).isEqualTo(testEntity.getCreateTime());
+    }
+
+    @Test
+    void testToEntity() {
+        SysExceptionLogEntity result = converter.toEntity(testDomain);
+        
+        assertThat(result).isNotNull();
+        assertThat(result.getId()).isEqualTo(testDomain.getId());
+        assertThat(result.getUsername()).isEqualTo(testDomain.getUsername());
+        assertThat(result.getTitle()).isEqualTo(testDomain.getTitle());
+        assertThat(result.getExceptionName()).isEqualTo(testDomain.getExceptionName());
+        assertThat(result.getMethodName()).isEqualTo(testDomain.getMethodName());
+        assertThat(result.getMethodParams()).isEqualTo(testDomain.getMethodParams());
+        assertThat(result.getExceptionMsg()).isEqualTo(testDomain.getExceptionMsg());
+        assertThat(result.getExceptionStack()).isEqualTo(testDomain.getExceptionStack());
+        assertThat(result.getIp()).isEqualTo(testDomain.getIp());
+        assertThat(result.getCreateTime()).isEqualTo(testDomain.getCreateTime());
+    }
+
+    @Test
+    void testToDomainWithNull() {
+        SysExceptionLog result = converter.toDomain(null);
+        assertThat(result).isNull();
+    }
+
+    @Test
+    void testToEntityWithNull() {
+        SysExceptionLogEntity result = converter.toEntity(null);
+        assertThat(result).isNull();
+    }
+}
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