diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 21451ab0..f02cc41c 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -583524,7 +583524,7 @@
         ],
         "same": [],
         "related": [],
-        "remark": "",
+        "remark": "20240226  绝大部分学生没有注意到$t$可以等于$0$.",
         "space": "4em",
         "unrelated": []
     },