diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index e1791386..fb76d5f7 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -90197,7 +90197,7 @@
     },
     "002848": {
         "id": "002848",
-        "content": "设奇函数$y=f(x)$的定义域为$[-5, 5]$.若当$x\\in [0,5]$时, $y=f(x)$的图像如图, 则不等式$xf(x)<0$的解是\\blank{50}.\n\\begin{center}\n    \\begin{tikzpicture}[>=stealth]\n        \\draw [->] (-1,0) -- (6,0) node [below] {$x$};\n        \\draw [->] (0,-2.5) -- (0,2.5) node [left] {$y$};\n        \\draw (2,0) node [below] {$2$};\n        \\draw (5,0) node [above] {$5$};\n        \\draw [domain = 0:2,samples = 100] plot (\\x,-\\x*\\x+2*\\x);\n        \\draw [domain = 2:5,samples = 100] plot (\\x, \\x*\\x/2-4*\\x+6);\n        \\draw [dashed] (5,0) -- (5,-1.5);\n        \\draw (0,0) node [below left] {$O$};\n    \\end{tikzpicture}\n\\end{center}",
+        "content": "设奇函数$y=f(x)$的定义域为$[-5, 5]$.若当$x\\in [0,5]$时, $y=f(x)$的图像如图, 则不等式$xf(x)<0$的解是\\blank{50}.\n\\begin{center}\n\\begin{tikzpicture}[>=latex, yscale = 0.5]\n\\draw [->] (-1,0) -- (6,0) node [below] {$x$};\n\\draw [->] (0,-2.5) -- (0,2.5) node [left] {$y$};\n\\draw (2,0) node [below] {$2$};\n\\draw (5,0) node [above] {$5$};\n\\draw [domain = 0:2,samples = 100] plot (\\x,-\\x*\\x+2*\\x);\n\\draw [domain = 2:5,samples = 100] plot (\\x, \\x*\\x/2-4*\\x+6);\n\\draw [dashed] (5,0) -- (5,-1.5);\n\\draw (0,0) node [below left] {$O$};\n\\end{tikzpicture}\n\\end{center}",
         "objs": [
             "K0218001B"
         ],
@@ -90211,7 +90211,8 @@
         "usages": [],
         "origin": "2022届高三第一轮复习讲义",
         "edit": [
-            "20220701\t王伟叶"
+            "20220701\t王伟叶",
+            "20240124\t王伟叶"
         ],
         "same": [],
         "related": [],