diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 9b1d10c3..f93cc76d 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -126397,7 +126397,7 @@
             "第一单元"
         ],
         "genre": "填空题",
-        "ans": "(-\\infty,+\\infty)",
+        "ans": "$(-\\infty,+\\infty)$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -126769,7 +126769,7 @@
             "第六单元"
         ],
         "genre": "解答题",
-        "ans": "(1)S=2400\\sqrt{3} \\sin \\theta \\sin (\\dfrac{\\pi}{3}- \\theta);(2)600\\sqrt{3}",
+        "ans": "(1) $S=2400\\sqrt{3} \\sin \\theta \\sin (\\dfrac{\\pi}{3}- \\theta)$; (2) $600\\sqrt{3}$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -126778,7 +126778,8 @@
         ],
         "origin": "2022届高三上学期测验卷01第17题",
         "edit": [
-            "20220709\t王伟叶"
+            "20220709\t王伟叶",
+            "20230917\t王伟叶"
         ],
         "same": [
             "004138"
@@ -127891,7 +127892,7 @@
             "第二单元"
         ],
         "genre": "解答题",
-        "ans": "(1)0;(2)f(x)=x+\\dfrac{1}{x};(3)(0,2]",
+        "ans": "(1) $0$;(2) $f(x)=x+\\dfrac{1}{x}$; (3) $(0,2]$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -127899,7 +127900,8 @@
         ],
         "origin": "2022届高三上学期测验卷03第20题",
         "edit": [
-            "20220709\t王伟叶"
+            "20220709\t王伟叶",
+            "20230917\t王伟叶"
         ],
         "same": [],
         "related": [],