diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 4381882f..b97bd2a5 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -549386,7 +549386,7 @@
     },
     "021034": {
         "id": "021034",
-        "content": "$(a_1+a_2+a_3+a_4)(b_1+b_2+b_3+b_4+b_5)(\\mathrm{C}_1+\\mathrm{C}_2)$展开后共有多少项?",
+        "content": "$(a_1+a_2+a_3+a_4)(b_1+b_2+b_3+b_4+b_5)(c_1+c_2)$展开后共有多少项?",
         "objs": [],
         "tags": [
             "第八单元",
@@ -549399,7 +549399,8 @@
         "usages": [],
         "origin": "2024届高二校本作业选择性必修第六章",
         "edit": [
-            "20230101\t王伟叶"
+            "20230101\t王伟叶",
+            "20231102\t王伟叶"
         ],
         "same": [],
         "related": [],