diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index d1ed5e13..4d426ff6 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -414070,7 +414070,7 @@
     },
     "015024": {
         "id": "015024",
-        "content": "若数列$\\{a_n\\}$为等差数列, 且$a_2=2$, $S_5=20$, 则该数列的前$n$项和为$S_n=$\\blank{50}.",
+        "content": "若数列$\\{a_n\\}$为等差数列, 其前$n$项之和记作$S_n$. 若$a_2=2$, $S_5=20$, 则该数列的前$n$项和为$S_n=$\\blank{50}.",
         "objs": [],
         "tags": [
             "第四单元"
@@ -414082,7 +414082,8 @@
         "usages": [],
         "origin": "2023届宝山区高三二模试题8",
         "edit": [
-            "20230413\t王伟叶"
+            "20230413\t王伟叶",
+            "20231211\t王伟叶"
         ],
         "same": [],
         "related": [],
@@ -601334,7 +601335,7 @@
     },
     "022535": {
         "id": "022535",
-        "content": "等差数列 $\\{a_n\\}$ 中, 若 $a_6+a_9+a_{12}+a_{15}=20$, 则 $S_{20}=$\\blank{50}.",
+        "content": "等差数列 $\\{a_n\\}$ 中, 若 $a_6+a_9+a_{12}+a_{15}=20$, 则该数列的前$20$项之和 $S_{20}=$\\blank{50}.",
         "objs": [],
         "tags": [],
         "genre": "填空题",
@@ -601344,7 +601345,8 @@
         "usages": [],
         "origin": "2025届高一上学期周末卷16",
         "edit": [
-            "20230905\t王伟叶"
+            "20230905\t王伟叶",
+            "20231211\t王伟叶"
         ],
         "same": [],
         "related": [],
@@ -601654,7 +601656,7 @@
     },
     "022551": {
         "id": "022551",
-        "content": "等差数列 $\\{a_n\\}$ 中, $S_{12}>0$, $S_{13}<0$, 则 $S_1, S_2, S_3, \\cdots, S_n$ 中最大项为\\blank{50}.",
+        "content": "等差数列 $\\{a_n\\}$ 中, 设$S_n$表示$\\{a_n\\}$的前$n$项之和. 若 $S_{12}>0$, $S_{13}<0$, 则 $S_1, S_2, S_3, \\cdots, S_n$ 中最大项为\\blank{50}.",
         "objs": [],
         "tags": [],
         "genre": "填空题",
@@ -601664,7 +601666,8 @@
         "usages": [],
         "origin": "2025届高一上学期周末卷16",
         "edit": [
-            "20230905\t王伟叶"
+            "20230905\t王伟叶",
+            "20231211\t王伟叶"
         ],
         "same": [],
         "related": [],