diff --git a/工具/修改题目数据库.ipynb b/工具/修改题目数据库.ipynb
index c28830b8..994e3cf3 100644
--- a/工具/修改题目数据库.ipynb
+++ b/工具/修改题目数据库.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
@@ -11,7 +11,7 @@
        "0"
       ]
      },
-     "execution_count": 2,
+     "execution_count": 3,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -19,7 +19,7 @@
    "source": [
     "import os,re,json\n",
     "\"\"\"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\"\"\"\n",
-    "problems = \"12592\"\n",
+    "problems = \"30501\"\n",
     "\n",
     "def generate_number_set(string,dict):\n",
     "    string = re.sub(r\"[\\n\\s]\",\"\",string)\n",
@@ -51,7 +51,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/工具/添加关联题目.ipynb b/工具/添加关联题目.ipynb
index ad96d18d..0a949610 100644
--- a/工具/添加关联题目.ipynb
+++ b/工具/添加关联题目.ipynb
@@ -2,15 +2,15 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
     "import os,re,json,time\n",
     "\n",
     "\"\"\"---设置原题目id与新题目id---\"\"\"\n",
-    "old_id = \"12222\"\n",
-    "new_id = \"30501\"\n",
+    "old_id = \"12265\"\n",
+    "new_id = \"30502\"\n",
     "\"\"\"---设置完毕---\"\"\"\n",
     "\n",
     "old_id = old_id.zfill(6)\n",
diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 7f4213a1..1a0af4b6 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -303668,7 +303668,9 @@
             "20221209\t王伟叶"
         ],
         "same": [],
-        "related": [],
+        "related": [
+            "030502"
+        ],
         "remark": "",
         "space": "12ex"
     },
@@ -331299,5 +331301,29 @@
         ],
         "remark": "",
         "space": "12ex"
+    },
+    "030502": {
+        "id": "030502",
+        "content": "已知数列$\\{a_n\\}$满足$a_n \\ge 0$, 对任意$n \\ge 2$, $a_n$和$a_{n+1}$中存在一项使其为另一项与$a_{n-1}$的等差中项.\\\\\n(1) 已知$a_1=5$, $a_2=3$, $a_4=2$, 求$a_3$的所有可能取值;\\\\\n(2) 已知$a_1=a_4=a_7=0$, $a_2$、$a_5$、$a_8$为正数, 求证:$a_2$、$a_5$、$a_8$成等比数列, 并求出公比$q$.",
+        "objs": [],
+        "tags": [
+            "第四单元"
+        ],
+        "genre": "解答题",
+        "ans": "",
+        "solution": "",
+        "duration": -1,
+        "usages": [],
+        "origin": "2021届春季高考试题21-20221216修改",
+        "edit": [
+            "20221209\t王伟叶",
+            "20221216\t王伟叶"
+        ],
+        "same": [],
+        "related": [
+            "012265"
+        ],
+        "remark": "",
+        "space": "12ex"
     }
 }
\ No newline at end of file