looking better

libs/proxy/src/index.ts

@@ -45,7 +45,10 @@ export function getProxyURL(): string | null {
 
   const proxy = proxies[currentIndex];
   currentIndex = (currentIndex + 1) % proxies.length;
-
+  if (!proxy) {
+    return null;
+  }
+  // Ensure the proxy URL is in http://host:port format
   return proxy;
 }
 
@@ -72,7 +75,11 @@ export function getRandomProxyURL(): string | null {
   }
 
   const randomIndex = Math.floor(Math.random() * proxies.length);
-  return proxies[randomIndex];
+  const proxy = proxies[randomIndex];
+  if (!proxy) {
+    return null;
+  }
+  return proxy;
 }
 
 /**