diff --git a/src/main/java/com/supervision/pdfqaserver/service/impl/ChatServiceImpl.java b/src/main/java/com/supervision/pdfqaserver/service/impl/ChatServiceImpl.java
index b6d1647..d481b5e 100644
--- a/src/main/java/com/supervision/pdfqaserver/service/impl/ChatServiceImpl.java
+++ b/src/main/java/com/supervision/pdfqaserver/service/impl/ChatServiceImpl.java
@@ -4,7 +4,6 @@ import cn.hutool.json.JSONObject;
 import cn.hutool.json.JSONUtil;
 import com.supervision.pdfqaserver.cache.PromptCache;
 import com.supervision.pdfqaserver.dao.Neo4jRepository;
-import com.supervision.pdfqaserver.domain.ChineseEnglishWords;
 import com.supervision.pdfqaserver.domain.DomainMetadata;
 import com.supervision.pdfqaserver.dto.neo4j.RelationObject;
 import com.supervision.pdfqaserver.service.ChatService;
@@ -13,7 +12,6 @@ import com.supervision.pdfqaserver.service.DomainMetadataService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.ai.chat.messages.Message;
-import org.springframework.ai.chat.model.ChatResponse;
 import org.springframework.ai.chat.prompt.Prompt;
 import org.springframework.ai.chat.prompt.SystemPromptTemplate;
 import org.springframework.ai.ollama.OllamaChatModel;
@@ -24,7 +22,6 @@ import reactor.core.publisher.Flux;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
 import static com.supervision.pdfqaserver.cache.PromptCache.GENERATE_ANSWER;
 import static com.supervision.pdfqaserver.cache.PromptCache.TEXT_TO_CYPHER;
@@ -48,20 +45,11 @@ public class ChatServiceImpl implements ChatService {
 
     @Override
     public Flux<String> knowledgeQA(String userQuery) {
-        //拼装领域元数据
-        Map<String, String> chineseEnglishWordsMap = chineseEnglishWordsService.list().stream()
-                .collect(Collectors.toMap(ChineseEnglishWords::getChineseWord, ChineseEnglishWords::getEnglishWord));
-
         //分别得到sourceType，relation，targetType的group by后的集合
         List<String> sourceTypeList = domainMetadataService.list().stream().map(DomainMetadata::getSourceType).distinct().toList();
         List<String> relationList = domainMetadataService.list().stream().map(DomainMetadata::getRelation).distinct().toList();
         List<String> targetTypeList = domainMetadataService.list().stream().map(DomainMetadata::getTargetType).distinct().toList();
 
-        //将三个集合分别结合chineseEnglishWordsMap的key转化为value集合
-//        List<String> sourceTypeEnList = sourceTypeList.stream().map(chineseEnglishWordsMap::get).toList();
-//        List<String> relationEnList = relationList.stream().map(chineseEnglishWordsMap::get).toList();
-//        List<String> targetTypeEnList = targetTypeList.stream().map(chineseEnglishWordsMap::get).toList();
-
         //将三个集合分别转换为英文逗号分隔的字符串
         String sourceTypeListEn = String.join(",", sourceTypeList);
         String relationListEn = String.join(",", relationList);