diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 7882376d..f54f24a2 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -583456,7 +583456,7 @@
     },
     "021621": {
         "id": "021621",
-        "content": "在$\\triangle ABC$中, 已知$a=2 \\sqrt{3}$, $b=45^{\\circ}$, 面积$S=3+\\sqrt{3}$, 求$c$和$C$.",
+        "content": "在$\\triangle ABC$中, 已知$a=2 \\sqrt{3}$, $B=45^{\\circ}$, 面积$S=3+\\sqrt{3}$, 求$c$和$C$.",
         "objs": [],
         "tags": [
             "第三单元"
@@ -583477,7 +583477,8 @@
         ],
         "origin": "2025届高一下校本作业",
         "edit": [
-            "20230209\t王伟叶"
+            "20230209\t王伟叶",
+            "20240128\t王伟叶"
         ],
         "same": [],
         "related": [],