diff --git a/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/repository/CityRepository.java b/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/repository/CityRepository.java
index 9548ae8..c4df89d 100644
--- a/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/repository/CityRepository.java
+++ b/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/repository/CityRepository.java
@@ -15,23 +15,52 @@ import java.util.List;
  */
 public interface CityRepository extends ElasticsearchRepository<City, Long> {
     /**
+     * AND 语句查询
+     *
      * @param description
      * @param score
      * @return
      */
     List<City> findByDescriptionAndScore(String description, Integer score);
 
+    /**
+     * OR 语句查询
+     *
+     * @param description
+     * @param score
+     * @return
+     */
     List<City> findByDescriptionOrScore(String description, Integer score);
 
+    /**
+     * 查询城市描述
+     *
+     * 等同于下面代码
+     * @Query("{\"bool\" : {\"must\" : {\"term\" : {\"description\" : \"?0\"}}}}")
+     * Page<City> findByDescription(String description, Pageable pageable);
+     *
+     * @param description
+     * @param page
+     * @return
+     */
     Page<City> findByDescription(String description, Pageable page);
 
-//    @Query("{\"bool\" : {\"must\" : {\"term\" : {\"description\" : \"?0\"}}}}")
-//    Page<City> findByDescription(String description, Pageable pageable);
-
+    /**
+     * NOT 语句查询
+     *
+     * @param description
+     * @param page
+     * @return
+     */
     Page<City> findByDescriptionNot(String description, Pageable page);
 
+    /**
+     * LIKE 语句查询
+     *
+     * @param description
+     * @param page
+     * @return
+     */
     Page<City> findByDescriptionLike(String description, Pageable page);
 
-    Page<City> findByScoreBetween(Integer score, Pageable page);
-
 }
diff --git a/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/service/CityService.java b/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/service/CityService.java
index 998c237..4fa56ea 100644
--- a/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/service/CityService.java
+++ b/spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/service/CityService.java
@@ -5,6 +5,10 @@ import org.spring.springboot.domain.City;
 
 import java.util.List;
 
+/**
+ * 城市 ES 业务接口类
+ *
+ */
 public interface CityService {
 
     /**
@@ -15,13 +19,45 @@ public interface CityService {
      */
     Long saveCity(City city);
 
+    /**
+     * AND 语句查询
+     *
+     * @param description
+     * @param score
+     * @return
+     */
     List<City> findByDescriptionAndScore(String description, Integer score);
 
+    /**
+     * OR 语句查询
+     *
+     * @param description
+     * @param score
+     * @return
+     */
     List<City> findByDescriptionOrScore(String description, Integer score);
 
+    /**
+     * 查询城市描述
+     *
+     * @param description
+     * @return
+     */
     List<City> findByDescription(String description);
 
+    /**
+     * NOT 语句查询
+     *
+     * @param description
+     * @return
+     */
     List<City> findByDescriptionNot(String description);
 
+    /**
+     * LIKE 语句查询
+     *
+     * @param description
+     * @return
+     */
     List<City> findByDescriptionLike(String description);
 }
\ No newline at end of file