diff --git a/modules/boe-module-es/src/main/java/com/xboe/module/elasticsearc/CourseStudyElasticsearchImpl.java b/modules/boe-module-es/src/main/java/com/xboe/module/elasticsearc/CourseStudyElasticsearchImpl.java
index f327cf7b..891c6b05 100644
--- a/modules/boe-module-es/src/main/java/com/xboe/module/elasticsearc/CourseStudyElasticsearchImpl.java
+++ b/modules/boe-module-es/src/main/java/com/xboe/module/elasticsearc/CourseStudyElasticsearchImpl.java
@@ -19,7 +19,6 @@ import org.elasticsearch.action.index.IndexRequest;
 import org.elasticsearch.action.index.IndexResponse;
 import org.elasticsearch.action.search.SearchRequest;
 import org.elasticsearch.action.search.SearchResponse;
-import org.elasticsearch.action.support.replication.ReplicationResponse;
 import org.elasticsearch.action.update.UpdateRequest;
 import org.elasticsearch.action.update.UpdateResponse;
 import org.elasticsearch.client.RequestOptions;
@@ -39,7 +38,6 @@ import org.springframework.stereotype.Service;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.xboe.common.PageList;
-import com.xboe.module.course.dto.CourseFullText;
 import com.xboe.module.course.dto.CourseStudyDto;
 import com.xboe.module.course.service.ICourseStudySearch;