diff --git a/Prometheus/install_node_exporter_arm64.sh b/Prometheus/install_node_exporter_arm64.sh
index 43c44f4..d10d108 100644
--- a/Prometheus/install_node_exporter_arm64.sh
+++ b/Prometheus/install_node_exporter_arm64.sh
@@ -27,8 +27,10 @@ TARGET="/tmp/node_exporter.tar.gz"
 is_cn=false
 
 echo "Detecting geographic location..."
+API_URL="https://ipinfo.littlediary.cn/info"
+JSON=$(curl -s --max-time 5 "$API_URL")
+COUNTRY=$(echo "$JSON" | grep -o '"country":"[^"]*"' | cut -d'"' -f4)
 
-COUNTRY=$(curl -s --max-time 3 https://ipinfo.io/country || true)
 if [ "$COUNTRY" = "CN" ]; then
     is_cn=true
 fi