diff --git a/src/main/java/com/ybw/mathapp/Main.java b/src/main/java/com/ybw/mathapp/Main.java
index 3e360f8..637d836 100644
--- a/src/main/java/com/ybw/mathapp/Main.java
+++ b/src/main/java/com/ybw/mathapp/Main.java
@@ -4,11 +4,13 @@ import com.ybw.mathapp.entity.QuestionWithOptions;
 import com.ybw.mathapp.service.JuniorHighGenerator;
 import com.ybw.mathapp.service.MultipleChoiceGenerator;
 import com.ybw.mathapp.service.PrimarySchoolGenerator;
+import com.ybw.mathapp.service.SeniorHighGenerator;
 import java.util.List;
 
 public class Main {
   public static void main(String[] args) {
     // 生成小学选择题
+
     System.out.println("--- Primary School MCQs ---");
     PrimarySchoolGenerator primaryGen = new PrimarySchoolGenerator();
     MultipleChoiceGenerator primaryMC = new MultipleChoiceGenerator(primaryGen, "小学"); // 传入级别
@@ -21,16 +23,15 @@ public class Main {
     MultipleChoiceGenerator juniorMC = new MultipleChoiceGenerator(juniorGen, "初中"); // 传入级别
     List<QuestionWithOptions> juniorMCQs = juniorMC.generateMultipleChoiceQuestions(10);
     juniorMCQs.forEach(q -> System.out.println(q + "\n"));
-
     System.out.println();
-    /*
+
     // 生成高中选择题
     System.out.println("--- Senior High MCQs ---");
     SeniorHighGenerator seniorGen = new SeniorHighGenerator();
     MultipleChoiceGenerator seniorMC = new MultipleChoiceGenerator(seniorGen, "高中"); // 传入级别
-    List<QuestionWithOptions> seniorMCQs = seniorMC.generateMultipleChoiceQuestions(2, 4);
+    List<QuestionWithOptions> seniorMCQs = seniorMC.generateMultipleChoiceQuestions(10);
     seniorMCQs.forEach(q -> System.out.println(q + "\n"));
-    */
+
 
   }
 }
\ No newline at end of file
diff --git a/src/main/java/com/ybw/mathapp/service/MultipleChoiceGenerator.java b/src/main/java/com/ybw/mathapp/service/MultipleChoiceGenerator.java
index 8c5c6ff..d616ac5 100644
--- a/src/main/java/com/ybw/mathapp/service/MultipleChoiceGenerator.java
+++ b/src/main/java/com/ybw/mathapp/service/MultipleChoiceGenerator.java
@@ -46,7 +46,6 @@ public class MultipleChoiceGenerator {
         // 例如，如果基础生成器的可能组合用尽了
         break; // 或者抛出异常
       }
-
       QuestionWithOptions mcq = generateSingleMCQ(baseQuestion);
       if (mcq != null) {
         mcQuestions.add(mcq);
@@ -153,10 +152,13 @@ public class MultipleChoiceGenerator {
         tokens.add(token);
         i += token.length();
       } else {
+        i++;
+      } /* else {
         // 如果找不到匹配的 token，可能是单个字符或未知格式
         tokens.add(String.valueOf(expression.charAt(i)));
         i++;
       }
+       */
     }
     return tokens;
   }