diff --git a/工具/修改题目数据库.py b/工具/修改题目数据库.py
index 7fc4df4e..875634a0 100644
--- a/工具/修改题目数据库.py
+++ b/工具/修改题目数据库.py
@@ -1,6 +1,6 @@
 import os,re,json
 """这里编辑题号(列表)后将在vscode中打开窗口, 编辑后保存关闭, 随后运行第二个代码块"""
-problems = "21699"
+problems = "30535"
 
 def generate_number_set(string,dict):
     string = re.sub(r"[\n\s]","",string)
diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index e1a63f03..46b8ab0e 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -534868,7 +534868,7 @@
             "第八单元"
         ],
         "genre": "解答题",
-        "ans": "图略, $P(X\\le -2)+P(x\\le 2)=1$, $P(|X|\\le 1)>P(|Y|\\le 1)$",
+        "ans": "图略, $P(X\\le -2)+P(X\\le 2)=1$, $P(|X|\\le 1)>P(|Y|\\le 1)$",
         "solution": "",
         "duration": -1,
         "usages": [