diff --git a/src/main/java/com/project/task/domain/service/strategy/ClassicTaskConfigStrategy.java b/src/main/java/com/project/task/domain/service/strategy/ClassicTaskConfigStrategy.java
index 235f0e0..1596673 100644
--- a/src/main/java/com/project/task/domain/service/strategy/ClassicTaskConfigStrategy.java
+++ b/src/main/java/com/project/task/domain/service/strategy/ClassicTaskConfigStrategy.java
@@ -88,16 +88,38 @@ public class ClassicTaskConfigStrategy implements TaskConfigStrategy {
      * 经典模式下题目数量和分数来自套卷，DTO 中可能为 null，赋默认值 0 避免 NPE
      */
     private void fillDefaults(TaskDTO dto) {
-        if (dto.getSingleChoiceNum() == null) dto.setSingleChoiceNum(0);
-        if (dto.getMultipleChoiceNum() == null) dto.setMultipleChoiceNum(0);
-        if (dto.getTrueFalseNum() == null) dto.setTrueFalseNum(0);
-        if (dto.getShortAnswerNum() == null) dto.setShortAnswerNum(0);
-        if (dto.getSingleChoiceScore() == null) dto.setSingleChoiceScore(0.0);
-        if (dto.getMultipleChoiceScore() == null) dto.setMultipleChoiceScore(0.0);
-        if (dto.getTrueFalseScore() == null) dto.setTrueFalseScore(0.0);
-        if (dto.getShortAnswerScore() == null) dto.setShortAnswerScore(0.0);
-        if (dto.getAccurateGraspNum() == null) dto.setAccurateGraspNum(0);
-        if (dto.getVagueGraspNum() == null) dto.setVagueGraspNum(0);
-        if (dto.getTotalScore() == null) dto.setTotalScore(0);
+        if (dto.getSingleChoiceNum() == null) {
+            dto.setSingleChoiceNum(0);
+        }
+        if (dto.getMultipleChoiceNum() == null) {
+            dto.setMultipleChoiceNum(0);
+        }
+        if (dto.getTrueFalseNum() == null) {
+            dto.setTrueFalseNum(0);
+        }
+        if (dto.getShortAnswerNum() == null) {
+            dto.setShortAnswerNum(0);
+        }
+        if (dto.getSingleChoiceScore() == null) {
+            dto.setSingleChoiceScore(0.0);
+        }
+        if (dto.getMultipleChoiceScore() == null) {
+            dto.setMultipleChoiceScore(0.0);
+        }
+        if (dto.getTrueFalseScore() == null) {
+            dto.setTrueFalseScore(0.0);
+        }
+        if (dto.getShortAnswerScore() == null) {
+            dto.setShortAnswerScore(0.0);
+        }
+        if (dto.getAccurateGraspNum() == null) {
+            dto.setAccurateGraspNum(0);
+        }
+        if (dto.getVagueGraspNum() == null) {
+            dto.setVagueGraspNum(0);
+        }
+        if (dto.getTotalScore() == null) {
+            dto.setTotalScore(0);
+        }
     }
 }