diff --git a/src/main/java/com/telpo/dipperposition/service/impl/IPProvinceServiceImpl.java b/src/main/java/com/telpo/dipperposition/service/impl/IPProvinceServiceImpl.java
index ca2de93..61282e7 100644
--- a/src/main/java/com/telpo/dipperposition/service/impl/IPProvinceServiceImpl.java
+++ b/src/main/java/com/telpo/dipperposition/service/impl/IPProvinceServiceImpl.java
@@ -26,6 +26,9 @@ public class IPProvinceServiceImpl implements IPProvinceService {
 
   @Override
   public boolean saveIPProvince(IPProvinceEntity entity) {
+    if (iPProvinceMapper == null) {
+      iPProvinceMapper = new IPProvinceMapper();
+    }
     iPProvinceMapper.save(entity);
     return true;
   }
@@ -33,12 +36,18 @@ public class IPProvinceServiceImpl implements IPProvinceService {
   @Override
   public boolean updateIPProvince(
           IPProvinceEntity query, IPProvinceEntity update) {
+    if (iPProvinceMapper == null) {
+      iPProvinceMapper = new IPProvinceMapper();
+    }
     iPProvinceMapper.updateFirst(query, update);
     return true;
   }
 
   @Override
   public boolean romveById(String id) {
+    if (iPProvinceMapper == null) {
+      iPProvinceMapper = new IPProvinceMapper();
+    }
     iPProvinceMapper.deleteById(id);
     return false;
   }
@@ -48,6 +57,9 @@ public class IPProvinceServiceImpl implements IPProvinceService {
     try {
       IPProvinceEntity query = new IPProvinceEntity();
       query.setIp(ipAddress);
+      if (iPProvinceMapper == null) {
+        iPProvinceMapper = new IPProvinceMapper();
+      }
       List<IPProvinceEntity> pushRecords = iPProvinceMapper.queryList(query);
       if (ObjectUtils.isNotEmpty(pushRecords)) {
         return pushRecords.get(0);