diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 104491d8..98ba44a1 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -582463,7 +582463,7 @@
             "第三单元"
         ],
         "genre": "填空题",
-        "ans": "(1) $\\{x|x=\\frac{4\\pi}{3}+2k \\pi$或$ x=\\frac{5\\pi}{3}+2k \\pi,\\ k \\in \\mathbf{Z} \\}$;\\\\\n(2) $\\{-\\frac{2\\pi}{3},-\\frac{\\pi}{3},\\frac{4\\pi}{3} ,\\frac{5\\pi}{3},\\frac{10\\pi}{3},\\frac{11\\pi}{3} \\}$",
+        "ans": "(1) $\\{x|x=\\dfrac{4\\pi}{3}+2k \\pi$或$ x=\\dfrac{5\\pi}{3}+2k \\pi,\\ k \\in \\mathbf{Z} \\}$;\\\\\n(2) $\\{-\\dfrac{2\\pi}{3},-\\dfrac{\\pi}{3},\\dfrac{4\\pi}{3} ,\\dfrac{5\\pi}{3},\\dfrac{10\\pi}{3},\\dfrac{11\\pi}{3} \\}$;\\\\\n(3) $\\{x|x=-\\dfrac{2\\pi}{3}+2k\\pi, \\ k\\in \\mathbf{Z}\\}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -582477,7 +582477,8 @@
         ],
         "origin": "2025届高一下校本作业",
         "edit": [
-            "20230209\t王伟叶"
+            "20230209\t王伟叶",
+            "20240202\t王伟叶"
         ],
         "same": [],
         "related": [],