diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
index 1bbe78ecb..747e82915 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
@@ -494,17 +494,23 @@ public class BussDocumentLibraryEOServiceImpl extends ServiceImpl<BussDocumentLi
                         List<OnlCgformField> fieldFile = fieldFileList.stream().filter(e -> entry.getKey().equals(e.getDbFieldName())).collect(Collectors.toList());
                         if (fieldFile.size() != 0 && ObjectUtils.isNotEmpty(value)) {
 
-                            String valueTemp = UUID.randomUUID().toString().replace("-", "");
-                            //修改文件表关联信息connect_id
-                            List<OSSFile> oSSFileList = new ArrayList<>();
-                            for (String fileId : value.toString().split(",")) {
-                                OSSFile ossFile = new OSSFile();
-                                ossFile.setId(fileId);
-                                ossFile.setConnectId(valueTemp);
-                                oSSFileList.add(ossFile);
+                            //判断文件是否修改
+                            if(!dataList.get(0).get(key).equals(value)){
+                                String valueTemp = UUID.randomUUID().toString().replace("-", "");
+                                //修改文件表关联信息connect_id
+                                List<OSSFile> oSSFileList = new ArrayList<>();
+                                for (String fileId : value.toString().split(",")) {
+                                    OSSFile ossFile = new OSSFile();
+                                    ossFile.setId(fileId);
+                                    ossFile.setConnectId(valueTemp);
+                                    oSSFileList.add(ossFile);
+                                }
+                                iOSSFileService.updateFileInfo(oSSFileList);
+                                valuesBuilder.append("'" + valueTemp + "'" + ",");
+                            }else{
+                                valuesBuilder.append("'" + value + "'" + ",");
                             }
-                            iOSSFileService.updateFileInfo(oSSFileList);
-                            valuesBuilder.append("'" + valueTemp + "'" + ",");
+
                         } else {
                             valuesBuilder.append("'" + value + "'" + ",");
                         }
@@ -524,7 +530,8 @@ public class BussDocumentLibraryEOServiceImpl extends ServiceImpl<BussDocumentLi
             List<String> connectIdList = new ArrayList<>();
             for (OnlCgformField onlCgformField : fieldFileList) {
                 String connectId = (String) mapList.get(0).get(onlCgformField.getDbFieldName());
-                if (StringUtils.isNotBlank(connectId)) {
+                //如果文件没有修改则不用删除
+                if (StringUtils.isNotBlank(connectId) && !connectId.equals(map.get(onlCgformField.getDbFieldName()))) {
                     connectIdList.add(connectId);
                 }
             }