diff --git a/data/51nod b/data/51nod
deleted file mode 100644
index 8072f95c..00000000
--- a/data/51nod
+++ /dev/null
@@ -1 +0,0 @@
-51nod.com
diff --git a/data/category-ai-cn b/data/category-ai-cn
new file mode 100644
index 00000000..8e473335
--- /dev/null
+++ b/data/category-ai-cn
@@ -0,0 +1,41 @@
+# RWKV
+rwkv.cn
+rwkv.com
+
+# 通义千问
+tongyi.aliyun.com
+qianwen.aliyun.com
+
+# 文心一言
+yiyan.baidu.com
+
+# 天工AI
+tiangong.cn
+
+# 豆包
+doubao.com
+marscode.cn
+
+# 智谱清言
+chatglm.cn
+zhipuai.cn
+
+# 月之暗面
+moonshot.cn
+
+# 讯飞星火
+xinghuo.xfyun.cn
+
+# MiniMax
+hailuoai.com
+minimaxi.com
+xingyeai.com
+
+# 腾讯混元
+hunyuan.tencent.com
+
+# 百川智能
+baichuan-ai.com
+
+botvip.cn
+liblib.art
diff --git a/data/category-olympiad-in-informatics b/data/category-olympiad-in-informatics
new file mode 100644
index 00000000..afd576c6
--- /dev/null
+++ b/data/category-olympiad-in-informatics
@@ -0,0 +1,18 @@
+# LeetCode 中国站
+leetcode.cn
+leetcode-cn.com
+lingkou.xyz
+lingkou.com
+lingkou.cn
+
+51nod.com
+acwing.com
+hihocoder.com
+jisuanke.com
+kidsccshow.com
+luogu.com.cn
+oi-wiki.com
+openjudge.cn
+rqnoj.cn
+uoj.ac
+vijos.org
diff --git a/data/geolocation-cn b/data/geolocation-cn
index 4373e0e2..5dc39c02 100644
--- a/data/geolocation-cn
+++ b/data/geolocation-cn
@@ -4,6 +4,9 @@
 include:jiguang
 include:umeng
 
+# AI
+include:category-ai-cn
+
 # Aviation
 include:airchina # 中国国际航空
 include:hainanairlines # 海南航空
@@ -248,24 +251,8 @@ include:chinamobile
 include:chinatelecom
 include:chinaunicom
 
-# 信息学
-include:51nod
-
-acwing.com
-hihocoder.com
-jisuanke.com
-luogu.com.cn
-oi-wiki.com
-openjudge.cn
-uoj.ac
-vijos.org
-
-# LeetCode 中国站
-leetcode.cn
-leetcode-cn.com
-lingkou.xyz
-lingkou.com
-lingkou.cn
+# OI
+include:category-olympiad-in-informatics
 
 # 语言能力测试
 include:j-test