fix: 智能出题 生成参数异常

src/main/java/cn/com/poc/writing/aggregate/impl/ExaminationServiceImpl.java

@@ -336,7 +336,7 @@ public class ExaminationServiceImpl implements ExaminationService {
     }
 
     private Message[] buildMessage(String prompt, GenerateExaminationEntity generateExaminationEntity) {
-        String fileContent = generateExaminationEntity.getPositions();
+        String fileContent = StringUtils.EMPTY;
         if (StringUtils.isNoneBlank(generateExaminationEntity.getFileUrl())) {
             File file = DocumentLoad.downloadURLDocument(generateExaminationEntity.getFileUrl());
             fileContent = DocumentLoad.documentToText(file);
@@ -347,7 +347,7 @@ public class ExaminationServiceImpl implements ExaminationService {
                 .replace("${number}", generateExaminationEntity.getN().toString())
                 .replace("${total_score}", generateExaminationEntity.getTotalScore().toString())
                 .replace("${level}", generateExaminationEntity.getLevel())
-                .replace("${position}", generateExaminationEntity.getPositions())
+                .replace("${position}", StringUtils.isBlank(generateExaminationEntity.getPositions()) ? StringUtils.EMPTY : generateExaminationEntity.getPositions())
                 .replace("${question_type}", StringUtils.join(generateExaminationEntity.getQuestionType(), ","));
 
         Message userMessage = new Message();