diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerateServiceImpl.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerateServiceImpl.java
index 6bbeda1..eff0f41 100644
--- a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerateServiceImpl.java
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerateServiceImpl.java
@@ -19,7 +19,6 @@ import com.ruoyi.generator.domain.front.dto.DatabaseDesignResponse;
 import com.ruoyi.generator.domain.front.dto.DatabaseTableDesign;
 import com.ruoyi.generator.domain.front.dto.GenerateDatabaseRequest;
 import com.ruoyi.generator.mapper.front.FrontProjectColumnMapper;
-import com.ruoyi.generator.mapper.front.FrontProjectGenerationMapper;
 import com.ruoyi.generator.mapper.front.FrontProjectMapper;
 import com.ruoyi.generator.mapper.front.FrontProjectTableMapper;
 
@@ -41,7 +40,7 @@ public class AiGenerateServiceImpl implements IAiGenerateService
     @Autowired
     private FrontProjectColumnMapper frontProjectColumnMapper;
     @Autowired
-    private FrontProjectGenerationMapper frontProjectGenerationMapper;
+    private AiGenerationRecordService generationRecordService;
 
     @Override
     @Transactional
@@ -63,7 +62,7 @@ public class AiGenerateServiceImpl implements IAiGenerateService
             generation.setResponsePayload(aiContent);
             generation.setSuccess("1");
             generation.setElapsedMs(System.currentTimeMillis() - start);
-            frontProjectGenerationMapper.insertFrontProjectGeneration(generation);
+            generationRecordService.insert(generation);
             return response;
         }
         catch (RuntimeException e)
@@ -71,7 +70,7 @@ public class AiGenerateServiceImpl implements IAiGenerateService
             generation.setSuccess("0");
             generation.setErrorMessage(e.getMessage());
             generation.setElapsedMs(System.currentTimeMillis() - start);
-            frontProjectGenerationMapper.insertFrontProjectGeneration(generation);
+            generationRecordService.insert(generation);
             throw e;
         }
     }
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerationRecordService.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerationRecordService.java
new file mode 100644
index 0000000..bfa6375
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/service/front/AiGenerationRecordService.java
@@ -0,0 +1,21 @@
+package com.ruoyi.generator.service.front;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
+import com.ruoyi.generator.domain.front.FrontProjectGeneration;
+import com.ruoyi.generator.mapper.front.FrontProjectGenerationMapper;
+
+@Service
+public class AiGenerationRecordService
+{
+    @Autowired
+    private FrontProjectGenerationMapper frontProjectGenerationMapper;
+
+    @Transactional(propagation = Propagation.REQUIRES_NEW)
+    public void insert(FrontProjectGeneration generation)
+    {
+        frontProjectGenerationMapper.insertFrontProjectGeneration(generation);
+    }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/AiGenerateServiceImplTest.java b/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/AiGenerateServiceImplTest.java
index b19f998..5a540ab 100644
--- a/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/AiGenerateServiceImplTest.java
+++ b/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/AiGenerateServiceImplTest.java
@@ -1,17 +1,25 @@
 package com.ruoyi.generator.service.front;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.Collections;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
 import com.ruoyi.generator.config.DeepSeekProperties;
 import com.ruoyi.generator.domain.front.FrontProject;
 import com.ruoyi.generator.domain.front.FrontProjectColumn;
@@ -38,17 +46,20 @@ public class AiGenerateServiceImplTest
     private FrontProjectColumnMapper frontProjectColumnMapper;
     @Mock
     private FrontProjectGenerationMapper frontProjectGenerationMapper;
+    private AiGenerationRecordService generationRecordService;
 
     @Before
     public void setUp() throws Exception
     {
         MockitoAnnotations.initMocks(this);
         service = new AiGenerateServiceImpl();
+        generationRecordService = new AiGenerationRecordService();
+        setField(generationRecordService, "frontProjectGenerationMapper", frontProjectGenerationMapper);
         setField("deepSeekClient", deepSeekClient);
         setField("frontProjectMapper", frontProjectMapper);
         setField("frontProjectTableMapper", frontProjectTableMapper);
         setField("frontProjectColumnMapper", frontProjectColumnMapper);
-        setField("frontProjectGenerationMapper", frontProjectGenerationMapper);
+        setField("generationRecordService", generationRecordService);
         setField("validator", new AiDatabaseSchemaValidator());
         setField("ddlBuilder", new MysqlDdlBuilder());
         setField("deepSeekProperties", new DeepSeekProperties());
@@ -76,11 +87,51 @@ public class AiGenerateServiceImplTest
         assertTrue(response.getSql().contains("CREATE TABLE `car_info`"));
     }
 
+    @Test
+    public void generateDatabasePersistsFailureGenerationRecordBeforePropagatingClientFailure()
+    {
+        RuntimeException failure = new RuntimeException("DeepSeek unavailable");
+        when(frontProjectMapper.selectFrontProjectByUserAndId(7L, 10L)).thenReturn(project());
+        when(deepSeekClient.chat(anyString())).thenThrow(failure);
+
+        try
+        {
+            service.generateDatabase(7L, 10L, request());
+            fail("Expected client failure");
+        }
+        catch (RuntimeException e)
+        {
+            assertSame(failure, e);
+        }
+
+        ArgumentCaptor<FrontProjectGeneration> generationCaptor = ArgumentCaptor.forClass(FrontProjectGeneration.class);
+        verify(frontProjectGenerationMapper).insertFrontProjectGeneration(generationCaptor.capture());
+        assertEquals("0", generationCaptor.getValue().getSuccess());
+        assertEquals("DeepSeek unavailable", generationCaptor.getValue().getErrorMessage());
+        verify(frontProjectColumnMapper, never()).deleteColumnsByProjectId(10L);
+        verify(frontProjectTableMapper, never()).deleteTablesByProjectId(10L);
+    }
+
+    @Test
+    public void generationRecordInsertUsesRequiresNewTransaction() throws Exception
+    {
+        Method method = AiGenerationRecordService.class.getDeclaredMethod("insert", FrontProjectGeneration.class);
+        Transactional transactional = method.getAnnotation(Transactional.class);
+
+        assertNotNull(transactional);
+        assertEquals(Propagation.REQUIRES_NEW, transactional.propagation());
+    }
+
     private void setField(String name, Object value) throws Exception
     {
-        Field field = AiGenerateServiceImpl.class.getDeclaredField(name);
+        setField(service, name, value);
+    }
+
+    private void setField(Object target, String name, Object value) throws Exception
+    {
+        Field field = target.getClass().getDeclaredField(name);
         field.setAccessible(true);
-        field.set(service, value);
+        field.set(target, value);
     }
 
     private FrontProject project()