diff --git a/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java b/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java
index 6b9aa21c..fe535615 100644
--- a/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java
@@ -170,7 +170,7 @@ public class LibraryServiceImpl extends ServiceImpl<LibraryMapper, Library> impl
                 throw new BusinessException("unknown.parameter.level2Type");
             }
         }
-        if (!StringUtils.isEmpty(libraryUploadDTO.getLevel2Type()) || level1TypeEnum.equals(LibraryLevel1TypeEnum.SKETCH_BOARD)) {
+        if (level1TypeEnum.equals(LibraryLevel1TypeEnum.SKETCH_BOARD) && StringUtils.isEmpty(libraryUploadDTO.getLevel2Type())) {
             throw new BusinessException("level2Type.cannot.be.empty");
         }
         String path = calculateFileUrl(level1TypeEnum, libraryUploadDTO.getLevel2Type(), libraryUploadDTO.getModelSex(), userInfo.getId());