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 11629a5f..308d6b7e 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 = "40070"
+problems = "12938"
 
 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 f5cee484..b72309c3 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -322019,7 +322019,7 @@
             "第四单元"
         ],
         "genre": "解答题",
-        "ans": "(1) $b_n=\\begin{cases} 2^{\\frac 32 n}, & n=2k, \\\\ 2^{\\frac{3n-1}2} & n=2k-1\\end{cases}$($k$为正整数); (2) $S_n=\\begin{cases} \\dfrac{10}{7}\\cdot 2^{\\frac 32 n}-\\dfrac{10}{7}, & n=2k, \\\\ \\dfrac{3}{7}\\cdot 2^{\\frac{3n-1}2}-\\dfrac{10}{7} & n=2k-1\\end{cases}$($k$为正整数)",
+        "ans": "(1) $b_n=\\begin{cases} 2^{\\frac 32 n}, & n=2k, \\\\ 2^{\\frac{3n-1}2} & n=2k-1\\end{cases}$($k$为正整数); (2) $S_n=\\begin{cases} \\dfrac{10}{7}\\cdot 2^{\\frac 32 n}-\\dfrac{10}{7}, & n=2k, \\\\ \\dfrac{3}{7}\\cdot 2^{\\frac{3n+3}2}-\\dfrac{10}{7} & n=2k-1\\end{cases}$($k$为正整数)",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -323580,7 +323580,7 @@
             "第四单元"
         ],
         "genre": "解答题",
-        "ans": "(1) $\\{f(n)\\}$是严格增数列, 证明略; (2) $(-\\infty,0)\\cup (0,1)$",
+        "ans": "(1) $\\{f(n)\\}$是严格增数列, 证明略; (2) $(-1,0)\\cup (0,1)$",
         "solution": "",
         "duration": -1,
         "usages": [],