Improve some code

src/utils/network_utils.rs

@@ -25,13 +25,12 @@ pub fn get_remote_ip(req: &HttpRequest, proxy_ip: Option<&str>) -> String {
     if let Some(proxy) = proxy_ip.as_ref() {
         if match_ip(proxy, &ip) {
             if let Some(header) = req.headers().get("X-Forwarded-For") {
-                let header = header
-                    .to_str()
-                    .unwrap()
-                    .split_once(',');
+                let header = header.to_str().unwrap();
 
-                if let Some((upstream_ip, _)) = header {
+                if let Some((upstream_ip, _)) = header.split_once(',') {
                     ip = upstream_ip.to_string();
+                } else {
+                    ip = header.to_string();
                 }
             }
         }