编码自动生成报错修改

dcs-doc-expand-core/src/main/java/com/yonde/dcs/core/event/DocumentEvent.java

@@ -101,6 +101,9 @@ public class DocumentEvent {
         } else if (ObjectUtils.isEmpty(documentVO.getMasterId())) {
             //新建文档，校验编号是否存在
             String number = documentVO.getNumber();
+            if (StringUtils.isEmpty(number)){
+                return;
+            }
             DxDocumentVO dxDocumentVO = extDocUtil.searchDocByNumber(number);
             if (!ObjectUtils.isEmpty(dxDocumentVO)) {
                 throw new DxBusinessException("-1", "文档编号已存在");