diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index b31c9fac..3695852f 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -701302,7 +701302,7 @@
             "20231027\t2024届高三11班\t0.448",
             "20231027\t2024届高三12班\t0.526"
         ],
-        "origin": "空中课堂必修第三册例题与习题-改编",
+        "origin": "自拟题目",
         "edit": [
             "20221021\t王伟叶"
         ],