diff --git a/springboot-elasticsearch/src/main/java/org/spring/springboot/service/impl/CityServiceImpl.java b/springboot-elasticsearch/src/main/java/org/spring/springboot/service/impl/CityESServiceImpl.java
similarity index 96%
rename from springboot-elasticsearch/src/main/java/org/spring/springboot/service/impl/CityServiceImpl.java
rename to springboot-elasticsearch/src/main/java/org/spring/springboot/service/impl/CityESServiceImpl.java
index 154f631..1e7563c 100644
--- a/springboot-elasticsearch/src/main/java/org/spring/springboot/service/impl/CityServiceImpl.java
+++ b/springboot-elasticsearch/src/main/java/org/spring/springboot/service/impl/CityESServiceImpl.java
@@ -25,9 +25,9 @@ import java.util.List;
  * Created by bysocket on 07/02/2017.
  */
 @Service
-public class CityServiceImpl implements CityService {
+public class CityESServiceImpl implements CityService {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(CityServiceImpl.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(CityESServiceImpl.class);
 
     @Autowired
     CityRepository cityRepository;