diff --git a/src/main/java/com/telpo/dipperposition/mapper/ProvinceInfoMapper.java b/src/main/java/com/telpo/dipperposition/mapper/ProvinceInfoMapper.java
index 5059b33..2033a8e 100644
--- a/src/main/java/com/telpo/dipperposition/mapper/ProvinceInfoMapper.java
+++ b/src/main/java/com/telpo/dipperposition/mapper/ProvinceInfoMapper.java
@@ -1,14 +1,9 @@
 package com.telpo.dipperposition.mapper;
 
-import com.telpo.dipperposition.annotation.MongoSwitch;
-import com.telpo.dipperposition.entity.mongo.IpProvinceEntity;
 import com.telpo.dipperposition.entity.mongo.ProvinceInfoEntity;
-import db.BaseMongoDbDao;
 import org.springframework.data.mongodb.repository.MongoRepository;
 import org.springframework.stereotype.Repository;
 
-import java.util.List;
-
 /**
  * @program: ProvinceInfoMapper
  * @description: 省份位置记录mapper
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 b47baed..deb0626 100644
--- a/src/main/java/com/telpo/dipperposition/service/impl/IpProvinceServiceImpl.java
+++ b/src/main/java/com/telpo/dipperposition/service/impl/IpProvinceServiceImpl.java
@@ -5,16 +5,19 @@ import com.telpo.dipperposition.entity.mongo.IpProvinceEntity;
 import com.telpo.dipperposition.entity.mongo.ProvinceInfoEntity;
 import com.telpo.dipperposition.mapper.IpProvinceMapper;
 import com.telpo.dipperposition.service.IpProvinceService;
+import jdk.nashorn.internal.runtime.options.Option;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Example;
+import org.springframework.data.domain.ExampleMatcher;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Service;
 import tools.BeanTools;
 
 import java.util.List;
+import java.util.Optional;
 
 /**
  * @program: DataPushServer
@@ -56,15 +59,11 @@ public class IpProvinceServiceImpl implements IpProvinceService {
     try {
       IpProvinceEntity query = new IpProvinceEntity();
       query.setIp(ipAddress);
-      Example<IpProvinceEntity> example = Example.of(query);
-      PageRequest pageable = PageRequest.of(0, 1);
-      Page<IpProvinceEntity> data = ipProvinceMapper.findAll(example, pageable);
-      if (CollectionUtil.isNotEmpty(data.getContent())) {
-        List<IpProvinceEntity> records = BeanTools.copyList(data.getContent(), IpProvinceEntity.class);
-        return records.get(0);
-      } else {
-        return null;
-      }
+      //忽略_class属性，不参与查询
+      ExampleMatcher matcher = ExampleMatcher.matching().withIgnorePaths("_class");
+      Example<IpProvinceEntity> example = Example.of(query, matcher);
+      Optional<IpProvinceEntity> data = ipProvinceMapper.findOne(example);
+      return data.get();
     } catch (Exception e) {
       log.error("获取IP省份异常:", e);
       return null;
diff --git a/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java b/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java
index 6ccb38a..668f2ad 100644
--- a/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java
+++ b/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java
@@ -10,6 +10,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Example;
+import org.springframework.data.domain.ExampleMatcher;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Service;
@@ -57,15 +58,11 @@ public class ProvinceInfoServiceImpl implements IProvinceInfoService {
     try {
       ProvinceInfoEntity query = new ProvinceInfoEntity();
       query.setProvince(provicne);
-      Example<ProvinceInfoEntity> example = Example.of(query);
-      PageRequest pageable = PageRequest.of(0, 1);
-      Page<ProvinceInfoEntity> data = provinceInfoMapper.findAll(example, pageable);
-      if (CollectionUtil.isNotEmpty(data.getContent())) {
-        List<ProvinceInfoEntity> records = BeanTools.copyList(data.getContent(), ProvinceInfoEntity.class);
-        return records.get(0);
-      } else {
-        return null;
-      }
+      //忽略_class属性，不参与查询
+      ExampleMatcher matcher = ExampleMatcher.matching().withIgnorePaths("_class");
+      Example<ProvinceInfoEntity> example = Example.of(query, matcher);
+      Optional<ProvinceInfoEntity> data = provinceInfoMapper.findOne(example);
+      return data.get();
     } catch (Exception e) {
       log.error("获取省份异常:", e);
       return null;