diff --git a/src/main/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImpl.java b/src/main/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImpl.java
index 6af17af..cb3e37b 100644
--- a/src/main/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImpl.java
+++ b/src/main/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImpl.java
@@ -20,7 +20,6 @@ import java.util.Set;
 public class CompetitiveEnvironmentAnalysisStepFourServiceImpl implements CompetitiveEnvironmentAnalysisStepFourService {
     private static final String TASK_KEY = "competitive-environment-analysis";
     private static final Set<String> STRATEGY_TYPES = new HashSet<>(Arrays.asList("so", "wo", "st", "wt"));
-    private static final Set<String> EVALUATION_OPTIONS = new HashSet<>(Arrays.asList("优势明显，建议快速进入", "机会大于挑战，建议积极布局", "挑战与机会并存，需谨慎推进", "劣势突出，建议暂缓进入"));
 
     @Autowired private StudentTrainingAnswerService studentTrainingAnswerService;
 
@@ -30,8 +29,8 @@ public class CompetitiveEnvironmentAnalysisStepFourServiceImpl implements Compet
         if (user.getRoleId() != 4) throw new ServiceException(HttpStatus.FORBIDDEN, "仅学生可进行实训校验");
         StudentTrainingAnswer savedAnswer = studentTrainingAnswerService.get(TASK_KEY, null, user);
         if (savedAnswer == null || StringUtils.isBlank(savedAnswer.getStep3Answer())) throw new ServiceException(HttpStatus.BAD_REQUEST, "请先完成并保存第 3 步的 SWOT 策略");
-        if (request == null || !EVALUATION_OPTIONS.contains(StringUtils.trimToEmpty(request.getOverallEvaluation())) || StringUtils.isBlank(request.getCoreRiskOne()) || StringUtils.isBlank(request.getCoreRiskTwo()) || StringUtils.isBlank(request.getConclusion())) {
-            throw new ServiceException(HttpStatus.BAD_REQUEST, "请完整填写总体判断、至少 2 个风险点和总结结论");
+        if (request == null || StringUtils.isBlank(request.getCoreRiskOne()) || StringUtils.isBlank(request.getCoreRiskTwo()) || StringUtils.isBlank(request.getConclusion())) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "请至少填写 2 个核心风险点和总结 SWOT 竞争环境评估结论");
         }
         if (request.getPriorities() == null || request.getPriorities().size() != STRATEGY_TYPES.size()) throw new ServiceException(HttpStatus.BAD_REQUEST, "请完成 SO、WO、ST、WT 四类策略的优先级排序");
         Set<String> submittedTypes = new HashSet<>();
diff --git a/src/test/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImplTest.java b/src/test/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImplTest.java
index 833345c..9cc2e8c 100644
--- a/src/test/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImplTest.java
+++ b/src/test/java/com/sztzjy/linkCommerce/service/impl/CompetitiveEnvironmentAnalysisStepFourServiceImplTest.java
@@ -26,6 +26,16 @@ class CompetitiveEnvironmentAnalysisStepFourServiceImplTest {
         assertTrue(result.isValid());
     }
 
+    @Test
+    void validateDoesNotRequireOverallCompetitiveEvaluation() {
+        CompetitiveEnvironmentAnalysisStepFourValidationRequest request = completedRequest();
+        request.setOverallEvaluation(null);
+
+        CompetitiveEnvironmentAnalysisStepFourValidationResult result = serviceWithStepThree().validate(request, student());
+
+        assertTrue(result.isValid());
+    }
+
     @Test
     void validateRejectsDuplicatePriorityAndMissingStepThree() {
         CompetitiveEnvironmentAnalysisStepFourValidationRequest incomplete = completedRequest();