diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index c460f678..6c360d02 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -315979,7 +315979,7 @@
     },
     "011243": {
         "id": "011243",
-        "content": "已知$1+\\mathrm{i}$是实系数一元二次方程$x^2+ax+b=0$的根($i$为虚数单位), 则$2a+b=$\\blank{50}.",
+        "content": "已知$1+\\mathrm{i}$是实系数一元二次方程$x^2+ax+b=0$的根($\\mathrm{i}$为虚数单位), 则$2a+b=$\\blank{50}.",
         "objs": [],
         "tags": [
             "第五单元"
@@ -315991,7 +315991,8 @@
         "usages": [],
         "origin": "2022届高三下学期周末卷1试题2",
         "edit": [
-            "20220818\t王伟叶"
+            "20220818\t王伟叶",
+            "20240131\t王伟叶"
         ],
         "same": [],
         "related": [],