diff --git a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/param/ReferConfigQuery.java b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/param/ReferConfigQuery.java
index 229e755..c21064d 100644
--- a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/param/ReferConfigQuery.java
+++ b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/param/ReferConfigQuery.java
@@ -56,16 +56,16 @@ public class ReferConfigQuery extends BaseQuery {
 
         if (null != referVal) {
             if(1 == referVal) {
-                condition.and("charRefer", null, MongoOper.NE);
+                condition.and("charRefer", "", MongoOper.NE);
             } else if(2 == referVal) {
-                condition.and("charRefer", null, MongoOper.IS);
+                condition.and("charRefer", "", MongoOper.IS);
             }
         }
         if (null != emergencyVal) {
             if(1 == emergencyVal) {
-                condition.and("emergencyChar", null, MongoOper.NE);
+                condition.and("emergencyChar", "", MongoOper.NE);
             } else if(2 == emergencyVal) {
-                condition.and("emergencyChar", null, MongoOper.IS);
+                condition.and("emergencyChar", "", MongoOper.IS);
             }
         }
 
diff --git a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/ReferConfigService.java b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/ReferConfigService.java
index 455bd94..6856be8 100644
--- a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/ReferConfigService.java
+++ b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/ReferConfigService.java
@@ -40,20 +40,20 @@ public class ReferConfigService {
         referValue.setCreateDate(System.currentTimeMillis());
 
         if(null == referValue.getCharRefer() || 0 == referValue.getCharRefer().length()) {
-            referValue.setCharRefer(null);
+            referValue.setCharRefer("");
         }
         if(null == referValue.getEmergencyChar() || 0 == referValue.getEmergencyChar().length()) {
-            referValue.setEmergencyChar(null);
+            referValue.setEmergencyChar("");
         }
         referConfigDao.addRefer(referValue);
     }
 
     public void updateRefer(ReferValue referValue) {
         if(null == referValue.getCharRefer() || 0 == referValue.getCharRefer().length()) {
-            referValue.setCharRefer(null);
+            referValue.setCharRefer("");
         }
         if(null == referValue.getEmergencyChar() || 0 == referValue.getEmergencyChar().length()) {
-            referValue.setEmergencyChar(null);
+            referValue.setEmergencyChar("");
         }
         MongoCondition mongoCondition = MongoCondition.newInstance("id",referValue.getId(), MongoOper.IS);
         referValue.setModifiedDate(System.currentTimeMillis());