update

physical-base-core/src/main/java/org/jeecg/common/util/DateUtils.java

@@ -437,6 +437,12 @@ public class DateUtils extends PropertyEditorSupport {
     }
 
     public static String formatDate(String dateStr, String pattern) {
+        if (StringUtils.hasText(dateStr)) {
+            return "";
+        }
+        if (StringUtils.hasText(pattern)) {
+            return dateStr;
+        }
         try {
             Date date = parseDate(dateStr, "yyyy-MM-dd HH:mm");
             return getSdFormat(pattern).format(date);