diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index e8e7d2f5..ae921894 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -627505,16 +627505,17 @@
     },
     "023485": {
         "id": "023485",
-        "content": "对于无穷数列$\\{a_n\\}$, ``数列 $\\{a_n\\}$ 是等差数列''是``数列 $\\{a_n+a_{n+1}\\}$ 是等差数列''成立的条件.",
+        "content": "对于无穷数列$\\{a_n\\}$, ``数列 $\\{a_n\\}$ 是等差数列''是``数列 $\\{a_n+a_{n+1}\\}$ 是等差数列''成立的\\blank{50}条件.",
         "objs": [],
         "tags": [],
-        "genre": "解答题",
+        "genre": "填空题",
         "ans": "",
         "solution": "",
         "duration": -1,
         "usages": [],
         "origin": "26届寒假作业补充题目",
         "edit": [
+            "20240108\t王伟叶",
             "20240108\t王伟叶"
         ],
         "same": [],