diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiAnalysisDifyController.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiAnalysisDifyController.java
index 7a55069..1cb6573 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiAnalysisDifyController.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiAnalysisDifyController.java
@@ -12,7 +12,6 @@ import com.volvo.ai.analytic.center.dto.req.ConsultingRequestDTO;
 import com.volvo.ai.analytic.center.dto.resp.AnalysisResp;
 import com.volvo.ai.analytic.center.service.AiAnalysisDifyService;
 import com.volvo.ai.analytic.center.service.CorpusQuestionService;
-import com.volvo.ai.analytic.center.service.impl.CorpusQuestionServiceImpl;
 import com.volvo.common.core.util.ResultMsg;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;