diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 372816fa..940f59a8 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -294608,13 +294608,14 @@
             "第三单元"
         ],
         "genre": "解答题",
-        "ans": "振幅为$\\sqrt{2}$, 频率为$30\\pi$, 初始相位为$-\\dfrac{\\pi}{12}$",
+        "ans": "振幅为$\\sqrt{2}$, 频率为$15$, 初始相位为$-\\dfrac{\\pi}{12}$",
         "solution": "",
         "duration": -1,
         "usages": [],
         "origin": "新教材必修第二册习题",
         "edit": [
-            "20220806\t王伟叶"
+            "20220806\t王伟叶",
+            "20240403\t王伟叶"
         ],
         "same": [],
         "related": [],