diff --git a/choose-cn-v2.sh b/choose-cn-v2.sh
index 82a60d0..df0cd22 100644
--- a/choose-cn-v2.sh
+++ b/choose-cn-v2.sh
@@ -56,7 +56,7 @@ echo "Download tests completed. IPs with download speed >= 50Mbps are written to
 
 # Cloudflare DDNS 更新部分
 # 以下变量需要填写
-API_KEY="your_cloudflare_api_key"
+API_KEY="your_cloudflare_global_api_key"
 EMAIL="your_email@example.com"
 ZONE_ID="your_zone_id"
 DOMAIN="your_domain.com"