diff --git a/platform-common/src/main/java/com/lyms/platform/common/utils/DateUtil.java b/platform-common/src/main/java/com/lyms/platform/common/utils/DateUtil.java
index 94c2d7f..52a148b 100644
--- a/platform-common/src/main/java/com/lyms/platform/common/utils/DateUtil.java
+++ b/platform-common/src/main/java/com/lyms/platform/common/utils/DateUtil.java
@@ -47,7 +47,9 @@ public class DateUtil {
     }
 
     public static Integer getAge(Date birth) {
-
+        if(null==birth){
+            return null;
+        }
         java.util.Calendar   calendar= Calendar.getInstance();
         Date date=new Date();
         calendar.setTime(date);