diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index cd370159..0772834e 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -319360,7 +319360,9 @@
             "20220819\t王伟叶"
         ],
         "same": [],
-        "related": [],
+        "related": [
+            "022800"
+        ],
         "remark": "",
         "space": "",
         "unrelated": []
@@ -603737,6 +603739,33 @@
         "space": "",
         "unrelated": []
     },
+    "022800": {
+        "id": "022800",
+        "content": "已知点$O(0,0)$、$Q_0(0,1)$和$R_0(3,1)$, 记$Q_0R_0$的中点为$P_1$, 取$Q_0P_1$和$P_1R_0$中的一条, 记其端点为$Q_1$、$R_1$, 使之满足$(|OQ_1|-2)(|OR_1|-2)<0$; 记$Q_1R_1$的中点为$P_2$, 取$Q_1P_2$和$P_2R_1$中的一条, 记其端点为$Q_2$、$R_2$, 使之满足$(|OQ_2|-2)(|OR_2|-2)<0$; 依次下去, 得到点$P_1,P_2,\\cdots ,P_n,\\cdots$, 则线段$Q_0P_n$的长度将``无限趋近''于一个确定的值$a$, $a=$\\blank{50}.",
+        "objs": [],
+        "tags": [
+            "第七单元",
+            "第二单元"
+        ],
+        "genre": "",
+        "ans": "",
+        "solution": "",
+        "duration": -1,
+        "usages": [],
+        "origin": "上海2011年秋季高考试题14-20231120修改",
+        "edit": [
+            "20220819\t王伟叶",
+            "20231120\t王伟叶",
+            "20231120\t王伟叶"
+        ],
+        "same": [],
+        "related": [
+            "011614"
+        ],
+        "remark": "",
+        "space": "",
+        "unrelated": []
+    },
     "030001": {
         "id": "030001",
         "content": "若$x,y,z$都是实数, 则:(填写``\\textcircled{1} 充分非必要、\\textcircled{2} 必要非充分、\\textcircled{3} 充要、\\textcircled{4} 既非充分又非必要''之一)\\\\\n(1) ``$xy=0$''是``$x=0$''的\\blank{50}条件;\\\\\n(2) ``$x\\cdot y=y\\cdot z$''是``$x=z$''的\\blank{50}条件;\\\\\n(3) ``$\\dfrac xy=\\dfrac yz$''是``$xz=y^2$''的\\blank{50}条件;\\\\\n(4) ``$|x |>| y|$''是``$x>y>0$''的\\blank{50}条件;\\\\\n(5) ``$x^2>4$''是``$x>2$'' 的\\blank{50}条件;\\\\\n(6) ``$x=-3$''是``$x^2+x-6=0$'' 的\\blank{50}条件;\\\\\n(7) ``$|x+y|<2$''是``$|x|<1$且$|y|<1$'' 的\\blank{50}条件;\\\\\n(8) ``$|x|<3$''是``$x^2<9$'' 的\\blank{50}条件;\\\\\n(9) ``$x^2+y^2>0$''是``$x\\ne 0$'' 的\\blank{50}条件;\\\\\n(10) ``$\\dfrac{x^2+x+1}{3x+2}<0$''是``$3x+2<0$'' 的\\blank{50}条件;\\\\\n(11) ``$0<x<3$''是``$|x-1|<2$'' 的\\blank{50}条件.",