diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/Test.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/Test.java
index 6f13e60..8a0d07a 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/Test.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/Test.java
@@ -1,12 +1,12 @@
 package com.lyms.platform.operate.web;
 
-import com.lyms.platform.common.enums.BabyDeformityEnums;
-import com.lyms.platform.common.utils.EnumUtil;
+import com.lyms.platform.common.utils.DateUtil;
 import com.lyms.platform.pojo.BasicConfig;
 import net.sourceforge.pinyin4j.PinyinHelper;
 import org.apache.log4j.Logger;
 
 import java.util.Comparator;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 
@@ -23,7 +23,14 @@ public class Test {
         // List jctc = EnumUtil.toJson(ChildCareEnums.JCTCEnums.class);
         // System.out.println(jctc);
 
-        System.out.println(EnumUtil.toJson(BabyDeformityEnums.class));
+        //根据出生孕周计算末次月经
+        Date LastMens = DateUtil.addWeek(DateUtil.parseYMD("2018-01-01"),-34);
+        //根据末次月经计算预产期
+        Date dueDate = DateUtil.addMonth(LastMens, 9);
+        dueDate = DateUtil.addDay(dueDate, 7);
+        System.out.println(DateUtil.getyyyy_MM_dd(dueDate));
+        // System.out.println(EnumUtil.toJson(BabyDeformityEnums.class));
+
         // int day = DateUtil.getExcludeMonthDay(DateUtil.parseYMD("2018-04-19"),new Date());
         // System.out.println(day);
 
diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/BabyCheckFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/BabyCheckFacade.java
index b2c1620..4e77492 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/BabyCheckFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/BabyCheckFacade.java
@@ -780,13 +780,17 @@ public class BabyCheckFacade {
                 base.setMonthAge(DateUtil.getBabyMonthAge(model.getBirth(), new Date()));
                 //计算儿童的预产期
                 if(model.getBirth()!=null&&model.getDueWeek()!=null&&model.getDueWeek()<37){//早产儿，根据出生孕周计算末次月经，在根据末次月经计算预产期
-                    //根据出生孕周计算末次月经
-                    Date LastMens = DateUtil.addWeek(model.getBirth(),-model.getDueWeek());
-                    //根据末次月经计算预产期
-                    Date dueDate = DateUtil.addMonth(LastMens, 9);
-                    dueDate = DateUtil.addDay(dueDate, 7);
-                    //返回预产期
-                    base.setDueDate(DateUtil.getyyyy_MM_dd(dueDate));
+                    if(DateUtil.isGtOrEq(model.getBirth(),model.getDueDate())){//如果相等，预产期与生日一致
+                        //根据出生孕周计算末次月经
+                        Date LastMens = DateUtil.addWeek(model.getBirth(),-model.getDueWeek());
+                        //根据末次月经计算预产期
+                        Date dueDate = DateUtil.addMonth(LastMens, 9);
+                        dueDate = DateUtil.addDay(dueDate, 7);
+                        //返回预产期
+                        base.setDueDate(DateUtil.getyyyy_MM_dd(dueDate));
+                    }else{
+                        base.setDueDate(DateUtil.getyyyy_MM_dd(model.getDueDate()));
+                    }
                 }