Update install_pve.sh

scripts/install_pve.sh

@@ -109,8 +109,23 @@ fi
 }
 rebuild_cloud_init
 
+# 检测IPV4
+check_ipv4(){
+  API_NET=("ip.sb" "ipget.net" "ip.ping0.cc" "https://ip4.seeip.org" "https://api.my-ip.io/ip" "https://ipv4.icanhazip.com" "api.ipify.org")
+  for p in "${API_NET[@]}"; do
+    response=$(curl -s4m6 "$p")
+    sleep 1
+    if [ $? -eq 0 ] && ! echo "$response" | grep -q "error"; then
+      IP_API="$p"
+      ip=$(curl -s4m6 "$IP_API")
+      break
+    fi
+  done
+  export ip
+}
+check_ipv4
+
 # /etc/hosts文件修改
-ip=$(curl -s ipv4.ip.sb)
 hostname=$(hostname)
 if [ "${hostname}" != "pve" ]; then
     chattr -i /etc/hosts