diff --git a/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java b/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java
index 0ac1435..9c51ba2 100644
--- a/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java
+++ b/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java
@@ -90,7 +90,7 @@ public class LLMAppServiceImpl implements LLMAppService {
                 if(StrUtil.isBlank((String)params.get(ConstantConfig.LLM_SLUG_KEY))) {
                     params.put(ConstantConfig.LLM_SLUG_KEY, usedSlug);
                 }
-                llmServiceFactory.current().streamAnswer(llmToken, question, params, adapter);
+                llmServiceFactory.current().streamAnswer(llmToken, question.replaceAll(ConstantConfig.KEYWORD_PATTERN_LEFT, StrUtil.EMPTY), params, adapter);
 
                 emitter.complete();
             } catch (Exception e) {