修改。

ruoyi-sim/src/main/java/com/ruoyi/sim/service/impl/RealExamFaultService.java

@@ -298,7 +298,7 @@ public class RealExamFaultService {
         // default minus 0
         int minus = 0;
         String answerRight = RealExamFault.AnswerRight.UNKNOWN;
-        l.info("f = {}", ref);
+        l.info("ref = {}", ref);
         String refType = ref.getRefType();
         final String qV = ref.getSimFaultQuestionValue();
         final String aV = ref.getSimFaultAnswerValue();