diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 3fdbaa6a..22aca0f3 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -504144,7 +504144,7 @@
         ],
         "same": [],
         "related": [],
-        "remark": "",
+        "remark": "题目中的点太特殊, 导致学生很容易通过作图得到结果, 很难检查利用诱导公式进行图形旋转的过程是否学会, 建议点的坐标带字母",
         "space": "4em",
         "unrelated": []
     },
@@ -677578,14 +677578,15 @@
             "J20240534-第一轮复习讲义34直线及其方程"
         ],
         "genre": "",
-        "ans": "$\\frac{\\sqrt{10}}{10}$",
+        "ans": "$\\dfrac{\\sqrt{2}}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [],
         "origin": "赋能练习-20240226修改",
         "edit": [
             "20220624\t朱敏慧, 王伟叶",
-            "20240226\t王伟叶"
+            "20240226\t王伟叶",
+            "20240229\t王伟叶"
         ],
         "same": [],
         "related": [