diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 18a37f04..50f2ab68 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -686778,7 +686778,7 @@
     },
     "024726": {
         "id": "024726",
-        "content": "在$\\triangle ABC$中, $\\cos B=\\frac{4}{5},\\sin C=\\frac{12}{13}$, 则$\\cos A$=\\blank{50}.",
+        "content": "在$\\triangle ABC$中, $\\cos B=\\dfrac{4}{5}$, $\\sin C=\\dfrac{12}{13}$, 则$\\cos A$=\\blank{50}.",
         "objs": [],
         "tags": [
             "第三单元"
@@ -686790,7 +686790,8 @@
         "usages": [],
         "origin": "自拟题目",
         "edit": [
-            "20240312\t徐慧"
+            "20240312\t徐慧",
+            "20240318\t王伟叶"
         ],
         "same": [],
         "related": [
@@ -686828,7 +686829,7 @@
     },
     "024728": {
         "id": "024728",
-        "content": "在$\\triangle ABC$中, 角$A,B,C$所对的边分别是$a,b,c$. 若$a=2\\sqrt 3$, $B=\\dfrac{\\pi}{4},c=\\sqrt 6 +\\sqrt 2$, 则$A$=\\blank{50}.",
+        "content": "在$\\triangle ABC$中, 角$A,B,C$所对的边分别是$a,b,c$. 若$a=2\\sqrt 3$, $B=\\dfrac{\\pi}{4}$, $c=\\sqrt 6 +\\sqrt 2$, 则$A$=\\blank{50}.",
         "objs": [],
         "tags": [
             "第三单元"
@@ -686840,7 +686841,8 @@
         "usages": [],
         "origin": "自拟题目",
         "edit": [
-            "20240313\t徐慧"
+            "20240313\t徐慧",
+            "20240318\t王伟叶"
         ],
         "same": [],
         "related": [],