diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 2dc42776..63abf0ed 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -510527,7 +510527,7 @@
     },
     "020201": {
         "id": "020201",
-        "content": "当$x=$\\blank{50}时, 代数式$x\\sqrt {1-x^2}$得最大值=\\blank{50}.",
+        "content": "当$x=$\\blank{50}时, 代数式$x\\sqrt {1-x^2}$的最大值$=$\\blank{50}.",
         "objs": [],
         "tags": [
             "第一单元"
@@ -510539,7 +510539,8 @@
         "usages": [],
         "origin": "2025届高一校本作业必修第二章",
         "edit": [
-            "20220901\t王伟叶\t伍杨超"
+            "20220901\t王伟叶\t伍杨超",
+            "20230802\t王伟叶"
         ],
         "same": [],
         "related": [],