优化国家判断方式

Prometheus/install_mysqld_exporter.sh

@@ -27,11 +27,12 @@ TARGET="/tmp/mysqld_exporter-0.18.0.linux-amd64.tar.gz"
 is_cn=false
 
 echo "Detecting geographic location..."
-COUNTRY=$(curl -s --max-time 5 https://ipinfo.littlediary.cn/info | grep -o '"countryName":"[^"]*"' | cut -d'"' -f4)
-
-if [ "$COUNTRY" = "China" ]; then
+COUNTRY=$(curl -s --max-time 3 https://ipinfo.littlediary.cn/country || true)
+if [ "$COUNTRY" = "CN" ]; then
     is_cn=true
 fi
+
+
 if [ "$is_cn" = true ]; then
     echo "Geolocation: China mainland detected"
     DOWNLOAD_URL="$CN_URL"