diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index c590ac8a..02579272 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -539804,7 +539804,7 @@
     },
     "020521": {
         "id": "020521",
-        "content": "若函数$f(x)$是奇函数, 则$f(1+\\sqrt 2)+f(\\dfrac 1{1-\\sqrt 2})=$\\blank{50}.",
+        "content": "若函数$f(x)$是定义在$\\mathbf{R}$上的奇函数, 则$f(1+\\sqrt 2)+f(\\dfrac 1{1-\\sqrt 2})=$\\blank{50}.",
         "objs": [],
         "tags": [
             "第二单元"
@@ -539822,7 +539822,8 @@
         ],
         "origin": "2025届高一校本作业必修第五章",
         "edit": [
-            "20221231\t王伟叶"
+            "20221231\t王伟叶",
+            "20231107\t王伟叶"
         ],
         "same": [],
         "related": [],