解决档案系统插卷导致文件日期丢失的问题

blade-service-api/blade-business-api/src/main/java/org/springblade/business/entity/ArchiveFile.java

@@ -509,7 +509,8 @@ public class ArchiveFile extends BaseEntity {
     }
 
     public void setFileTime(String fileTime) {
-        if (fileTime == null || fileTime.equals("null") ) {
+        if (fileTime == null) return;
+        if (fileTime.equals("null")) {
             this.fileTime = "";
             return;
         }