diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 8a6741e5..6c8e3d32 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -275392,7 +275392,7 @@
     },
     "009900": {
         "id": "009900",
-        "content": "已知数列$\\{a_n\\}$满足$a_1=1$, $a_n+1=\\dfrac{3a_n}{a_n+3}$, $a_n\\ne 0$.\\\\\n(1) 求$a_2$, $a_3$, $a_4$;\\\\\n(2) 猜想数列$\\{a_n\\}$的通项公式, 并用数学归纳法加以证明.",
+        "content": "已知数列$\\{a_n\\}$满足$a_1=1$, $a_{n+1}=\\dfrac{3a_n}{a_n+3}$, $a_n\\ne 0$.\\\\\n(1) 求$a_2$, $a_3$, $a_4$;\\\\\n(2) 猜想数列$\\{a_n\\}$的通项公式, 并用数学归纳法加以证明.",
         "objs": [
             "K0409001X"
         ],
@@ -275406,7 +275406,8 @@
         "usages": [],
         "origin": "新教材选择性必修第一册课堂练习",
         "edit": [
-            "20220730\t王伟叶"
+            "20220730\t王伟叶",
+            "20231226\t王伟叶"
         ],
         "same": [
             "008473"