diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 05f98cfd..791ef877 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -494463,7 +494463,7 @@
             "第一单元"
         ],
         "genre": "填空题",
-        "ans": "$[5,+\\infty)$; $\\ge 5$; $x<5\\le a$; $x<5$, $\\dfrac{5+a}2$; $a<x_1<5$.",
+        "ans": "$[5,+\\infty)$; $\\ge 5$; $x<5\\le a$; $<5$, $\\dfrac{5+a}2$; $a<x_1<5$.",
         "solution": "",
         "duration": -1,
         "usages": [