diff --git a/packages/vscode-ide-companion/src/services/authStateManager.ts b/packages/vscode-ide-companion/src/services/authStateManager.ts
index e56f9fdf..c46bcb83 100644
--- a/packages/vscode-ide-companion/src/services/authStateManager.ts
+++ b/packages/vscode-ide-companion/src/services/authStateManager.ts
@@ -43,8 +43,8 @@ export class AuthStateManager {
 
   /**
    * Run an auth-related flow with optional queueing.
-   * - 默认：复用在跑的 promise，避免重复弹窗。
-   * - forceNew: true 时，等待当前 flow 结束后再串行启动新的，用于强制重登。
+   * - Default: Reuse existing promise to avoid duplicate popups.
+   * - When forceNew: true, wait for current flow to finish before starting a new one serially, used for forced re-login.
    */
   static runExclusiveAuth<T>(
     task: () => Promise<T>,
diff --git a/packages/vscode-ide-companion/src/services/qwenAgentManager.ts b/packages/vscode-ide-companion/src/services/qwenAgentManager.ts
index 7851d926..dd0712b7 100644
--- a/packages/vscode-ide-companion/src/services/qwenAgentManager.ts
+++ b/packages/vscode-ide-companion/src/services/qwenAgentManager.ts
@@ -1222,7 +1222,7 @@ export class QwenAgentManager {
               if (effectiveAuth) {
                 await effectiveAuth.saveAuthState(workingDir, authMethod);
               }
-              await setTimeout(() => Promise.resolve(), 100); // slight delay to ensure auth state is settled
+              await setTimeout(() => Promise.resolve(), 300); // slight delay to ensure auth state is settled
               await this.connection.newSession(workingDir);
             } catch (reauthErr) {
               // Clear potentially stale cache on failure and rethrow
diff --git a/packages/vscode-ide-companion/src/services/qwenConnectionHandler.ts b/packages/vscode-ide-companion/src/services/qwenConnectionHandler.ts
index 9e2f5a81..278032a2 100644
--- a/packages/vscode-ide-companion/src/services/qwenConnectionHandler.ts
+++ b/packages/vscode-ide-companion/src/services/qwenConnectionHandler.ts
@@ -140,7 +140,7 @@ export class QwenConnectionHandler {
       }
 
       try {
-        await setTimeout(() => Promise.resolve(), 100); // slight delay to ensure auth state is settled
+        await setTimeout(() => Promise.resolve(), 300); // slight delay to ensure auth state is settled
         console.log(
           '[QwenAgentManager] Creating new session after authentication...',
         );