diff --git a/src/Info.java b/src/Info.java
deleted file mode 100644
index 9a06250..0000000
--- a/src/Info.java
+++ /dev/null
@@ -1,2 +0,0 @@
-public interface Info {
-}
diff --git a/src/SeniorQuestionGenerator.java b/src/SeniorQuestionGenerator.java
index d7d2de6..465fe65 100644
--- a/src/SeniorQuestionGenerator.java
+++ b/src/SeniorQuestionGenerator.java
@@ -10,7 +10,7 @@ public class SeniorQuestionGenerator implements QuestionGenerator {
         // 确保所有高中题目都包含至少一个sin、cos或tan的运算符
         String[] functions = {"sin(", "cos(", "tan("};
         String func = functions[random.nextInt(functions.length)];
-        int angle = random.nextInt(180);
+        int angle = random.nextInt(100)+1;
 
         question.append(func).append(angle).append(")");
 
diff --git a/src/UserInfo.java b/src/UserInfo.java
index 0abbd06..8513036 100644
--- a/src/UserInfo.java
+++ b/src/UserInfo.java
@@ -2,7 +2,7 @@
  * 用户信息类
  * 存储用户的基本信息，包括用户名、密码和用户类型
  */
-public class UserInfo implements Info {
+public class UserInfo {
     private String username;
     private String password;
     private String userType;
diff --git a/src/张三2/2025-09-24-12-24-30.txt b/src/张三2/2025-09-24-12-24-30.txt
deleted file mode 100644
index 5112caa..0000000
--- a/src/张三2/2025-09-24-12-24-30.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-1. 1 * 34 = ?
-
-2. 30 + 93 = ?
-
-3. 82 * 33 = ?
-
-4. 98 * 97 = ?
-
-5. 58 * 77 = ?
-
-6. 97 - 96 = ?
-
-7. 86 - 27 = ?
-
-8. 73 - 22 = ?
-
-9. 52 + 5 = ?
-
-10. 42 - 6 = ?
-
-11. 72 * 62 = ?
-
-12. 60 - 23 = ?
-
-13. 43 - 37 = ?
-
-14. 198 / 99 = ?
-
-15. 4 / 1 = ?
-
-16. 42 + 57 = ?
-
-17. 356 / 89 = ?
-
-18. 144 / 36 = ?
-
-19. 189 / 21 = ?
-
-20. 74 + 43 = ?