fix(sales): 修复销售合同号重复校验逻辑

buhuazhen

2026-04-22 07f3f5b5c2437a01923684064b8afa79bb57f448

 src/main/java/com/ruoyi/basic/dto/StorageBlobDTO.java

@@ -6,4 +6,6 @@
@Data
public class StorageBlobDTO extends StorageBlob {
    private String url;

    private String downloadUrl;
}