diff --git a/src/utils/serverRotation.js b/src/utils/serverRotation.js
index 834b4aa..90a181e 100644
--- a/src/utils/serverRotation.js
+++ b/src/utils/serverRotation.js
@@ -36,7 +36,8 @@ export function getServerList(provider) {
  */
 export async function tryWithRotation(operation, options = {}) {
   const provider = options.provider || getSetting("server.provider");
-  const onServerTried = options.onServerTried || (() => {});
+  const onServerTried = options.onServerTried;
+  const hasCallback = typeof onServerTried === 'function';
   
   const servers = getServerList(provider);
   const triedServers = [];
@@ -45,19 +46,25 @@ export async function tryWithRotation(operation, options = {}) {
   for (const serverUrl of servers) {
     try {
       triedServers.push({ url: serverUrl, status: "trying" });
-      onServerTried({ url: serverUrl, status: "trying", tried: [...triedServers] });
+      if (hasCallback) {
+        onServerTried({ url: serverUrl, status: "trying", tried: [...triedServers] });
+      }
       
       const result = await operation(serverUrl);
       
       triedServers[triedServers.length - 1].status = "success";
-      onServerTried({ url: serverUrl, status: "success", tried: [...triedServers] });
+      if (hasCallback) {
+        onServerTried({ url: serverUrl, status: "success", tried: [...triedServers] });
+      }
       
       return result;
     } catch (error) {
       lastError = error;
       triedServers[triedServers.length - 1].status = "failed";
       triedServers[triedServers.length - 1].error = error.message || String(error);
-      onServerTried({ url: serverUrl, status: "failed", error, tried: [...triedServers] });
+      if (hasCallback) {
+        onServerTried({ url: serverUrl, status: "failed", error, tried: [...triedServers] });
+      }
       
       // Continue to next server
       console.warn(`Server ${serverUrl} failed:`, error.message);
diff --git a/src/utils/socketClient.js b/src/utils/socketClient.js
index f0c0162..5f86814 100644
--- a/src/utils/socketClient.js
+++ b/src/utils/socketClient.js
@@ -35,9 +35,10 @@ export function getSocket() {
     }
     connectedDomain = serverUrl;
     
-    // For classworkscloud, create socket with rotation support
-    // The socket will initially connect to the first server
-    // If connection fails, Socket.IO will handle reconnection
+    // For classworkscloud, create socket with the first server in rotation
+    // Note: Socket.IO's built-in reconnection will retry the same server URL.
+    // Server rotation is handled at the HTTP request level, not Socket.IO level.
+    // If the Socket.IO server goes down, the connection will fail until the server recovers.
     socket = io(serverUrl, {transports:  ["polling","websocket"]});
 
     // Re-attach previously registered event handlers on new socket instance