diff --git a/src/main/java/com/ai/da/service/impl/WorkspaceServiceImpl.java b/src/main/java/com/ai/da/service/impl/WorkspaceServiceImpl.java
index 0a86181e..d31a1aad 100644
--- a/src/main/java/com/ai/da/service/impl/WorkspaceServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/WorkspaceServiceImpl.java
@@ -154,14 +154,14 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
                     rel.setWorkspaceId(workspace.getId());
                     rel.setStyleId(workspaceDTO.getStyleId());
                     workspaceRelStyleMapper.insert(rel);
-                }else {
+                } else {
                     WorkspaceRelStyle workspaceRelStyle = workspaceRelStyles.get(0);
                     if (!Objects.equals(workspaceRelStyle.getStyleId(), workspaceDTO.getStyleId())) {
                         workspaceRelStyle.setStyleId(workspaceDTO.getStyleId());
                         workspaceRelStyleMapper.updateById(workspaceRelStyle);
                     }
                 }
-            }else {
+            } else {
                 QueryWrapper<WorkspaceRelStyle> qw = new QueryWrapper<>();
                 qw.lambda().eq(WorkspaceRelStyle::getWorkspaceId, workspace.getId());
                 List<WorkspaceRelStyle> workspaceRelStyles = workspaceRelStyleMapper.selectList(qw);
@@ -344,7 +344,7 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
             vo.setAllKeywordsByStyle(allKeywordsByStyle);
             if (authPrincipalVo.getLanguage().equals(Language.ENGLISH.name())) {
                 vo.setStyleName(styleEnum.getEnglish());
-            }else {
+            } else {
                 vo.setStyleName(styleEnum.getChinese());
             }
         }
@@ -401,7 +401,7 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
             vo.setAllKeywordsByStyle(allKeywordsByStyle);
             if (authPrincipalVo.getLanguage().equals(Language.ENGLISH.name())) {
                 vo.setStyleName(styleEnum.getEnglish());
-            }else {
+            } else {
                 vo.setStyleName(styleEnum.getChinese());
             }
         }
@@ -685,7 +685,7 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
             StyleEnum styleEnum = StyleEnum.fromName(styleVO.getName());
             if (authPrincipalVo.getLanguage().equals(Language.ENGLISH.name())) {
                 styleVO.setValue(styleEnum.getEnglish());
-            }else {
+            } else {
                 styleVO.setValue(styleEnum.getChinese());
             }
         }
@@ -713,7 +713,7 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
 
                 if (CollectionUtils.isEmpty(workspaces)) {
                     throw new BusinessException("Lack of associated workspace.");
-                }else {
+                } else {
                     Workspace workspace = workspaces.get(0);
                     Workspace workspaceNew = CopyUtil.copyObject(projectDTO.getWorkspace(), Workspace.class);
                     if (projectDTO.getProcess().equals(DesignProcess.SERIES_DESIGN.name()) || projectDTO.getProcess().equals(DesignProcess.SKETCH_COLLAGE_PROCESS.name())) {
@@ -722,12 +722,8 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
 //                            deleteMannequinByProjectId(projectId);
                             if (!workspaceNew.getSex().equals(workspace.getSex())) {
 //                                deleteSketchByProjectId(projectId);
-
-                                LambdaQueryWrapper<CollectionElement> queryWrapper = new LambdaQueryWrapper<CollectionElement>().eq(CollectionElement::getProjectId, projectId)
-                                        .eq(CollectionElement::getLevel1Type, CollectionLevel1TypeEnum.MODEL.getRealName())
-                                        .eq(CollectionElement::getLevel3Type, workspaceNew.getSex());
-                                if (collectionElementMapper.selectCount(queryWrapper) == 0){
-                                    SysFile sysFile = sysFileService.getOneBySex(projectDTO.getStyleId(), projectDTO.getWorkspace().getSex(), projectDTO.getWorkspace().getAgeGroup());
+                                SysFile sysFile = sysFileService.getOneBySex(projectDTO.getStyleId(), projectDTO.getWorkspace().getSex(), projectDTO.getWorkspace().getAgeGroup());
+                                if (!checkIfModelExistsInProject(sysFile.getMd5(), projectId)) {
                                     CollectionElement collectionElement = new CollectionElement();
                                     collectionElement.setAccountId(userInfo.getId());
                                     collectionElement.setProjectId(projectId);
@@ -763,14 +759,14 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
                         rel.setWorkspaceId(projectDTO.getWorkspace().getId());
                         rel.setStyleId(projectDTO.getStyleId());
                         workspaceRelStyleMapper.insert(rel);
-                    }else {
+                    } else {
                         WorkspaceRelStyle workspaceRelStyleOld = workspaceRelStyles.get(0);
                         if (!Objects.equals(workspaceRelStyleOld.getStyleId(), projectDTO.getStyleId())) {
                             workspaceRelStyleOld.setStyleId(projectDTO.getStyleId());
                             workspaceRelStyleMapper.updateById(workspaceRelStyleOld);
                         }
                     }
-                }else {
+                } else {
                     QueryWrapper<WorkspaceRelStyle> wRSQW = new QueryWrapper<>();
                     wRSQW.lambda().eq(WorkspaceRelStyle::getWorkspaceId, projectDTO.getWorkspace().getId());
                     List<WorkspaceRelStyle> workspaceRelStyles = workspaceRelStyleMapper.selectList(wRSQW);
@@ -784,7 +780,7 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
             }
             vo.setId(projectId);
             return vo;
-        }else {
+        } else {
             Project project = CopyUtil.copyObject(projectDTO, Project.class);
             project.setAccountId(userInfo.getId());
             LocalDateTime now = LocalDateTime.now();
@@ -821,7 +817,7 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
                     if (projectDTO.getWorkspace().getSex().equals(Sex.FEMALE.getValue())) {
                         workspace.setMannequinFemaleId(sysFile.getId());
                         workspace.setMannequinFemaleType("System");
-                    }else {
+                    } else {
                         workspace.setMannequinMaleId(sysFile.getId());
                         workspace.setMannequinMaleType("System");
                     }
@@ -879,6 +875,17 @@ public class WorkspaceServiceImpl extends ServiceImpl<WorkspaceMapper, Workspace
         return null;
     }
 
+    // 由于在数据库中表设计问题，目前只能通过路径来判断项目中是否存在某一个模特
+    public Boolean checkIfModelExistsInProject(String md5, Long projectId) {
+        QueryWrapper<CollectionElement> qw = new QueryWrapper<>();
+        qw.lambda().eq(CollectionElement::getProjectId, projectId)
+                .eq(CollectionElement::getLevel1Type, CollectionLevel1TypeEnum.MODEL.getRealName())
+                .eq(CollectionElement::getMd5, md5);
+
+        List<CollectionElement> collectionElements = collectionElementMapper.selectList(qw);
+        return collectionElements != null && !collectionElements.isEmpty();
+    }
+
     public static List<File> getPNGFiles(String directoryPath) {
         List<File> pngFiles = new ArrayList<>();
         File directory = new File(directoryPath);