diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index d737c870..a829f870 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -579071,7 +579071,7 @@
             "导数"
         ],
         "genre": "解答题",
-        "ans": "(1)$0.9$；(2)$3+\\Delta x+6x_0$",
+        "ans": "(1)$0.9$; (2)$3+\\Delta x+6x_0$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -579085,7 +579085,8 @@
         "origin": "2024届高二校本作业选择性必修第五章",
         "edit": [
             "20230101\t王伟叶",
-            "20230712\t王伟叶"
+            "20230712\t王伟叶",
+            "20240209\t王伟叶"
         ],
         "same": [],
         "related": [],