diff --git a/src/main/java/com/supervision/thread/TripleExtractTask.java b/src/main/java/com/supervision/thread/TripleExtractTask.java
index fc7cbfd..86bceb8 100644
--- a/src/main/java/com/supervision/thread/TripleExtractTask.java
+++ b/src/main/java/com/supervision/thread/TripleExtractTask.java
@@ -121,8 +121,11 @@ public class TripleExtractTask implements Callable<TripleInfo> {
         paramMap.put("tailEntityType", prompt.getEndEntityType());
         paramMap.put("question", noteRecordSplit.getQuestion());
         paramMap.put("answer", noteRecordSplit.getAnswer());
+        log.info("开始尝试提取三元组：{}-{}-{},mainActor:{}", prompt.getStartEntityType(), prompt.getRelType(), prompt.getEndEntityType(), mainActor == null ? "" : mainActor.getName());
         if (mainActor != null && HEAD_ENTITY_TYPE_ACTOR.equals(prompt.getStartEntityType())) {
             paramMap.put("requirement", "当前案件的行为人是" + mainActor.getName() + "，只尝试提取" + mainActor.getName() + "为头结点的三元组。");
+        } else {
+            paramMap.put("requirement", "");
         }
         String format = StrUtil.format(prompt.getPrompt(), paramMap);