diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/async/AsyncKnowledgeBase.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/async/AsyncKnowledgeBase.java
index be18ca84d..52042c558 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/async/AsyncKnowledgeBase.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/async/AsyncKnowledgeBase.java
@@ -164,10 +164,11 @@ public class AsyncKnowledgeBase {
             KnowledgeHitRateTestResultVO resultVO = new KnowledgeHitRateTestResultVO();
             resultVO.setPageContent(pair.getDocument().getPageContent());
 
-            DecimalFormat df = new DecimalFormat("0.00");
+            DecimalFormat df = new DecimalFormat("0.00%");
             df.setRoundingMode(RoundingMode.HALF_UP);
             String rateResult = df.format(pair.getHitRate());
             resultVO.setHitRate(rateResult);
+
             resultVO.setDigest(pair.getDocument().getMetadata().getDigest());
             long fileId = Long.parseLong(pair.getDocument().getMetadata().getFileId());
             resultVO.setFileId(fileId);