diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index d968f0ba..32990dec 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -34211,7 +34211,7 @@
             "2023届高三-第一轮复习讲义-04_方程与不等式的求解"
         ],
         "genre": "解答题",
-        "ans": "$24x^2-2ax+4=0$",
+        "ans": "$24x^2-21x+4=0$",
         "solution": "",
         "duration": -1,
         "usages": [