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 52a148b..2640a32 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
@@ -64,7 +64,7 @@ public class DateUtil {
         int mouth1 = c1.get(Calendar.MONTH);
         int mouth2 = c2.get(Calendar.MONTH);
         int i=0;
-        if(mouth1-mouth2>=0){
+        if(mouth2-mouth1>=0){
             int days1 = c1.get(Calendar.DAY_OF_MONTH);
             int days2 = c2.get(Calendar.DAY_OF_MONTH);
             if(days1<days2){