diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 1cd1cd21..2966f786 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -511562,24 +511562,25 @@
     },
     "019144": {
         "id": "019144",
-        "content": "某班上午有五节课, 分别安排语文、数学、英语、物理、化学各一节课, 要求语文与化学相邻, 数学与物理不相邻, 且数学课不排第一节, 则不同的排课方案共有种.",
+        "content": "某班上午有五节课, 分别安排语文、数学、英语、物理、化学各一节课, 要求语文与化学相邻, 数学与物理不相邻, 且数学课不排第一节, 则不同的排课方案共有\\blank{50}种.",
         "objs": [],
         "tags": [
             "第八单元"
         ],
-        "genre": "解答题",
+        "genre": "填空题",
         "ans": "",
         "solution": "",
         "duration": -1,
         "usages": [],
         "origin": "空中课堂选择性必修第二册计数原理例题与习题",
         "edit": [
-            "20230707\t王伟叶"
+            "20230707\t王伟叶",
+            "20240125\t王伟叶"
         ],
         "same": [],
         "related": [],
         "remark": "",
-        "space": "4em",
+        "space": "",
         "unrelated": []
     },
     "019145": {