diff --git a/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java b/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
index 0969b9bb..769b3eb7 100644
--- a/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
@@ -24,6 +24,7 @@ import io.minio.errors.MinioException;
 import io.netty.util.internal.StringUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -1115,6 +1116,8 @@ public class GenerateServiceImpl extends ServiceImpl<GenerateMapper, Generate> i
      */
     @Transactional(rollbackFor = Exception.class)
     public GenerateResultVO sketchReconstructionGenerate(SketchReconstructionDTO sketchReconstructionDTO){
+        log.info("sketchReconstructionGenerate params: {}", sketchReconstructionDTO);
+
         Long accountId = UserContext.getUserHolder().getId();
         // 1、线稿生成
         String collagePictureBase64 = sketchReconstructionDTO.getCollagePicture();
@@ -1136,15 +1139,25 @@ public class GenerateServiceImpl extends ServiceImpl<GenerateMapper, Generate> i
         // 截取目标部分
         String targetPath = url.substring(pathStartIndex + 1, queryStartIndex);
 
-        if (Objects.isNull(sketchReconstruction)){
-            sketchReconstruction = new SketchReconstruction();
-            sketchReconstruction.setProjectId(projectId);
-            sketchReconstruction.setCollageImgSketchUrl(targetPath);
-            sketchReconstruction.setGenerateDetailId(generateResultVO.getId());
-            sketchReconstruction.setGender(sketchReconstructionDTO.getGender());
-            sketchReconstruction.setCreateTime(LocalDateTime.now());
-            sketchReconstructionMapper.insert(sketchReconstruction);
-        }else {
+        try {
+            if (Objects.isNull(sketchReconstruction)){
+                sketchReconstruction = new SketchReconstruction();
+                sketchReconstruction.setProjectId(projectId);
+                sketchReconstruction.setCollageImgSketchUrl(targetPath);
+                sketchReconstruction.setGenerateDetailId(generateResultVO.getId());
+                sketchReconstruction.setGender(sketchReconstructionDTO.getGender());
+                sketchReconstruction.setCreateTime(LocalDateTime.now());
+                sketchReconstructionMapper.insert(sketchReconstruction);
+            }else {
+                sketchReconstruction.setCollageImgSketchUrl(targetPath);
+                sketchReconstruction.setGenerateDetailId(generateResultVO.getId());
+                sketchReconstructionMapper.updateById(sketchReconstruction);
+            }
+        } catch (DuplicateKeyException e) {
+            // 如果发生唯一键冲突，说明其他请求已经创建了记录
+            // 重新查询并更新
+            log.info("sketch拼贴，唯一键（project_id）冲突，改为更新");
+            sketchReconstruction = sketchReconstructionMapper.selectOne(qw);
             sketchReconstruction.setCollageImgSketchUrl(targetPath);
             sketchReconstruction.setGenerateDetailId(generateResultVO.getId());
             sketchReconstructionMapper.updateById(sketchReconstruction);