diff --git a/src/main/java/com/ai/da/service/impl/LibraryModelPointServiceImpl.java b/src/main/java/com/ai/da/service/impl/LibraryModelPointServiceImpl.java
index 2966be9e..863d1cfe 100644
--- a/src/main/java/com/ai/da/service/impl/LibraryModelPointServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/LibraryModelPointServiceImpl.java
@@ -28,6 +28,7 @@ import io.netty.util.internal.StringUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;
 
@@ -53,7 +54,11 @@ public class LibraryModelPointServiceImpl extends ServiceImpl<LibraryModelPointM
     private final PythonTAllInfoService pythonTAllInfoService;
 
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public LibraryModelPointVO saveOrEditTemplatePoint(LibraryModelPointDTO libraryModelPointDTO) {
+        // 参数校验
+        validateInputParams(libraryModelPointDTO);
+
         LibraryModelPointVO libraryModelPointVO = CopyUtil.copyObject(libraryModelPointDTO, LibraryModelPointVO.class);
 
         // 不管是保存还是另存为，都需要传模特的libraryId
@@ -71,7 +76,8 @@ public class LibraryModelPointServiceImpl extends ServiceImpl<LibraryModelPointM
             // 更新模特图片
             if (flag) {
                 libModel.setUrl(url);
-                libModel.setMd5(MD5Utils.encryptFile(minioUtil.getPreSignedUrl(url, CommonConstant.MINIO_IMAGE_EXPIRE_TIME), false));
+                String preSignedUrl = minioUtil.getPreSignedUrl(url, CommonConstant.MINIO_IMAGE_EXPIRE_TIME);
+                libModel.setMd5(MD5Utils.encryptFile(preSignedUrl, false));
                 List<Integer> imagesWidthAndHeight = minioUtil.getImagesWidthAndHeight(url);
                 libModel.setWidth(imagesWidthAndHeight.get(0));
                 libModel.setHigh(imagesWidthAndHeight.get(1));
@@ -104,25 +110,10 @@ public class LibraryModelPointServiceImpl extends ServiceImpl<LibraryModelPointM
 
         } else {
             // 不覆盖，即另存为
-            // 新增模特library信息
-            Library saveAsModel = new Library();
-            saveAsModel.setAccountId(libModel.getAccountId());
-            saveAsModel.setLevel1Type(libModel.getLevel1Type());
-            saveAsModel.setLevel2Type(libModel.getLevel2Type());
-            String ageGroup = StringUtil.isNullOrEmpty(libModel.getLevel3Type()) ? "Adult" : libModel.getLevel3Type();
-            saveAsModel.setLevel3Type(ageGroup);
-            saveAsModel.setName(DateUtil.dateToStr(new Date(), DateUtil.YYYY_MM_DD));
-            saveAsModel.setUrl(url);
-            saveAsModel.setMd5(MD5Utils.encryptFile(minioUtil.getPreSignedUrl(url, CommonConstant.MINIO_IMAGE_EXPIRE_TIME), false));
-            List<Integer> imagesWidthAndHeight = minioUtil.getImagesWidthAndHeight(url);
-            saveAsModel.setWidth(imagesWidthAndHeight.get(0));
-            saveAsModel.setHigh(imagesWidthAndHeight.get(1));
-            saveAsModel.setCreateDate(DateUtil.getByTimeZone(libraryModelPointDTO.getTimeZone()));
-            libraryService.save(saveAsModel);
-            // 更新新的模特在library中的id,用于后面新建模特点位信息用
-            libraryModelPointDTO.setLibraryId(saveAsModel.getId());
+            Library saveAsModel = createNewLibraryCopy(libModel, libraryModelPointDTO);
 
             // 新增模特点位信息
+            libraryModelPointDTO.setLibraryId(saveAsModel.getId()); // 更新libraryId为新创建的模型ID
             LibraryModelPoint libraryModelPoint = resolvePoint(libraryModelPointDTO);
             libraryModelPoint.setModelType("Library");
             libraryModelPoint.setCreateDate(DateUtil.getByTimeZone(libraryModelPointDTO.getTimeZone()));
@@ -130,22 +121,50 @@ public class LibraryModelPointServiceImpl extends ServiceImpl<LibraryModelPointM
             libraryModelPointVO.setTemplateId(libraryModelPoint.getId());
             libraryModelPointVO.setRelationId(libraryModelPoint.getRelationId());
         }
-        //编辑
-            /*if (!StringUtils.isEmpty(libraryModelPointDTO.getModelSex())) {
-                Library byId = libraryService.getById(libraryModelPointDTO.getLibraryId());
-                if (!byId.getLevel2Type().equals(libraryModelPointDTO.getModelSex())) {
-                    if (byId.getLevel2Type().equals(Sex.FEMALE.getValue())) {
-                        libraryService.checkModel(Sex.FEMALE.getValue(), Collections.singletonList(byId.getId()), 1);
-                    }else {
-                        libraryService.checkModel(Sex.MALE.getValue(), Collections.singletonList(byId.getId()), 1);
-                    }
-                    byId.setLevel2Type(libraryModelPointDTO.getModelSex());
-                    libraryService.updateById(byId);
-                }
-            }*/
         return libraryModelPointVO;
     }
 
+    /**
+     * 验证输入参数
+     */
+    private void validateInputParams(LibraryModelPointDTO libraryModelPointDTO) {
+        if (libraryModelPointDTO == null) {
+            throw new BusinessException("libraryModelPointDTO cannot be null");
+        }
+        if (libraryModelPointDTO.getLibraryId() == null || libraryModelPointDTO.getLibraryId() <= 0) {
+            throw new BusinessException("libraryId is required");
+        }
+        if (StringUtils.isEmpty(libraryModelPointDTO.getModelPath())) {
+            throw new BusinessException("modelPath is required");
+        }
+        if (StringUtils.isEmpty(libraryModelPointDTO.getTimeZone())) {
+            throw new BusinessException("timeZone is required");
+        }
+    }
+
+    /**
+     * 创建新的库模型副本
+     */
+    private Library createNewLibraryCopy(Library originalModel, LibraryModelPointDTO libraryModelPointDTO) {
+        // 新增模特library信息
+        Library saveAsModel = new Library();
+        saveAsModel.setAccountId(originalModel.getAccountId());
+        saveAsModel.setLevel1Type(originalModel.getLevel1Type());
+        saveAsModel.setLevel2Type(originalModel.getLevel2Type());
+        String ageGroup = StringUtil.isNullOrEmpty(originalModel.getLevel3Type()) ? "Adult" : originalModel.getLevel3Type();
+        saveAsModel.setLevel3Type(ageGroup);
+        saveAsModel.setName(DateUtil.dateToStr(new Date(), DateUtil.YYYY_MM_DD));
+        saveAsModel.setUrl(libraryModelPointDTO.getModelPath());
+        String preSignedUrl = minioUtil.getPreSignedUrl(libraryModelPointDTO.getModelPath(), CommonConstant.MINIO_IMAGE_EXPIRE_TIME);
+        saveAsModel.setMd5(MD5Utils.encryptFile(preSignedUrl, false));
+        List<Integer> imagesWidthAndHeight = minioUtil.getImagesWidthAndHeight(libraryModelPointDTO.getModelPath());
+        saveAsModel.setWidth(imagesWidthAndHeight.get(0));
+        saveAsModel.setHigh(imagesWidthAndHeight.get(1));
+        saveAsModel.setCreateDate(DateUtil.getByTimeZone(libraryModelPointDTO.getTimeZone()));
+        libraryService.save(saveAsModel);
+        return saveAsModel;
+    }
+
     @Override
     public LibraryModelPointVO saveOrEditTemplatePointOld(LibraryModelPointDTO libraryModelPointDTO) {
 //        Library library = libraryService.getById(libraryModelPointDTO.getLibraryId());