提高了AIEvaluationService中逐句批改的等待时长

src/main/java/com/njuzr/eaibackend/service/AIEvaluationService.java

@@ -303,7 +303,7 @@ public class AIEvaluationService {
             }
 
             try {
-                CompletableFuture.allOf(futures).get(80, TimeUnit.SECONDS);
+                CompletableFuture.allOf(futures).get(120, TimeUnit.SECONDS);
 
                 for (CompletableFuture<SentenceEvaluation> future : futures) {
                     SentenceEvaluation result = future.get();