diff --git a/src/main/java/com/supervision/service/impl/MatchToolServiceImpl.java b/src/main/java/com/supervision/service/impl/MatchToolServiceImpl.java
index 55602c6..0743652 100644
--- a/src/main/java/com/supervision/service/impl/MatchToolServiceImpl.java
+++ b/src/main/java/com/supervision/service/impl/MatchToolServiceImpl.java
@@ -81,6 +81,9 @@ public class MatchToolServiceImpl implements MatchToolService {
     public List<MatchQuestionAnswerDTO> execMatch(String question) {
         log.info("开始调用talkQaSimilarity,问题:{}", question);
         try {
+            // 清洗数据，去除句子中的字母和数字，以提高相似度
+            question = StrUtil.replace(question, "[a-zA-Z0-9\\s+]", m->"");
+            log.info("经过去除字母和数字清洗后的字符串是:{}",question);
             TimeInterval timer = DateUtil.timer();
             String post = HttpUtil.post(matchToolUrl + "/matchQuestion", JSONUtil.toJsonStr(new QuestionReqDTO(question, Double.valueOf(scoreThreshold))));
             log.info("相似度匹配答案:{},耗时:{} 毫秒", post,timer.intervalMs());
@@ -100,7 +103,6 @@ public class MatchToolServiceImpl implements MatchToolService {
             return null;
         }
     }
-
     @Override
     public ExtractInformationDTO extractInformation(String message) {
         log.info("开始调用extractInformation,message:{}", message);
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 883eda2..a551a75 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -54,7 +54,7 @@ spring:
           merge-sql: false
 matchTool:
   url: http://${env.match.ip}
-  scoreThreshold: 0.4
+  scoreThreshold: 0.3
 paddle-speech:
   # https://github.com/PaddlePaddle/PaddleSpeech/wiki/PaddleSpeech-Server-RESTful-API
   tts: http://${env.paddle-speech.ip}/paddlespeech/tts