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 ac8e353f..05df56af 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 = "13570"
+problems = "12547"
 
 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 41fe12f0..0f583180 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -331276,7 +331276,7 @@
             "第八单元"
         ],
         "genre": "解答题",
-        "ans": "(1) $19.5$; (2) $\\dfrac{911}{920}$",
+        "ans": "(1) $3$位, 第$75$百分位数为$30$; (2) $\\dfrac{911}{920}$",
         "solution": "",
         "duration": -1,
         "usages": [],