TASK: 拼贴功能保存用户上传的图片并返回

src/main/java/com/ai/da/model/dto/CollectionElementUploadDTO.java

@@ -19,9 +19,15 @@ public class CollectionElementUploadDTO {
     @NotNull(message = "file.cannot.be.empty")
     private MultipartFile file;
 
+    @ApiModelProperty("项目id")
+    private Long projectId;
+
     @ApiModelProperty("一级类型")
     private String level1Type;
 
+    @ApiModelProperty("二级类型")
+    private String level2Type;
+
     @ApiModelProperty("性别")
     private String gender;