diff --git a/src/main/java/com/ai/da/controller/ElementController.java b/src/main/java/com/ai/da/controller/ElementController.java
index 8912a006..32e1c23a 100644
--- a/src/main/java/com/ai/da/controller/ElementController.java
+++ b/src/main/java/com/ai/da/controller/ElementController.java
@@ -113,9 +113,9 @@ public class ElementController {
     @PostMapping("/imageSegmentation")
     public Response<List<CollectionElementVO>> selectedImageSeg(
             @RequestPart(value = "file", required = false) MultipartFile[] file,
-            @RequestParam(value = "type", required = false) @Pattern(regexp = "sketch|product", message = "类型必须是sketch或product") String type,
+            @RequestParam(value = "type", required = false) @Pattern(regexp = "sketch|product", message = "Please choose the image type") String type,
             @RequestParam(value = "id", required = false) Long id,
-            @RequestParam(value = "sourceType", required = false) @Pattern(regexp = "library|upload", message = "id是从library中获取的还是上传的") String sourceType) {
+            @RequestParam(value = "sourceType", required = false) @Pattern(regexp = "Library|Upload", message = "Select an image from the library or upload one.") String sourceType) {
         // 过滤空文件
         List<MultipartFile> nonEmptyFiles = Arrays.stream(file)
                 .filter(item -> !item.isEmpty())
diff --git a/src/main/java/com/ai/da/service/impl/CollectionElementServiceImpl.java b/src/main/java/com/ai/da/service/impl/CollectionElementServiceImpl.java
index b9de700b..ef7c2b40 100644
--- a/src/main/java/com/ai/da/service/impl/CollectionElementServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/CollectionElementServiceImpl.java
@@ -1018,7 +1018,7 @@ public class CollectionElementServiceImpl extends ServiceImpl<CollectionElementM
                     resp.add(createCollectionElementVO(accountId, null, null, imageData.getImage_url(), imageData.getClothing_url()));
                 }
             }
-        } else if (Objects.nonNull(id) && sourceType.equals("library")) {
+        } else if (Objects.nonNull(id) && sourceType.equals("Library")) {
             library = libraryService.getById(id);
             // 判断从library中选择的图片是否有分割数据
             if (Objects.isNull(library)) {
@@ -1033,7 +1033,7 @@ public class CollectionElementServiceImpl extends ServiceImpl<CollectionElementM
                 List<String> restoredList = Arrays.asList(library.getSegmentedData().split(","));
                 resp.add(createCollectionElementVO(accountId, id, library.getLevel1Type(), library.getUrl(), restoredList));
             }
-        } else if (Objects.nonNull(id) && sourceType.equals("upload")) {
+        } else if (Objects.nonNull(id) && sourceType.equals("Upload")) {
             collectionElement = collectionElementMapper.selectById(id);
             // 判断id对应的数据是否存在
             if (Objects.isNull(collectionElement)) {
@@ -1064,7 +1064,7 @@ public class CollectionElementServiceImpl extends ServiceImpl<CollectionElementM
                                             (imageData.getImage_url(), CommonConstant.MINIO_IMAGE_EXPIRE_TIME), false);
                     redisUtil.addToString(key, new Gson().toJson(imageData), CommonConstant.GENERATE_RESULT_EXPIRE_TIME);
                     resp.add(createCollectionElementVO(accountId, null, null, imageData.getImage_url(), imageData.getClothing_url()));
-                } else if (sourceType.equals("library")){
+                } else if (sourceType.equals("Library")){
                     // 从library中选择的图片需要更新数据库中对应图片的分割数据
                     String segmentedData = String.join(",", imageData.getClothing_url());
                     library.setSegmentedData(segmentedData);