Update CPA and Discord guidance

docs/index.html

@@ -686,8 +686,8 @@
                 </svg>
               </span>
               <span class="discord-copy">
-                <strong>Discord频道每日签到领取免费plus账号</strong>
-                <span>本工具主要针对 Plus 账号适用，Free 账号即使转换了也没有权限调用 GPT 模型。Plus 账号可以在 Discord 频道每日签到领取激活，然后配合本工具导入 CPA or Sub2API 使用。</span>
+                <strong>加入 Discord 频道免费获取 GPT 撸羊毛信息</strong>
+                <span>本工具主要针对 Plus 账号适用，Free 账号即使转换了也没有权限调用 GPT 模型。GoPay 拉闸了，没法每天发 Plus 了；加入 Discord 频道免费获取 GPT 撸羊毛信息，然后配合本工具导入 CPA or Sub2API 使用。</span>
               </span>
               <span class="discord-action">加入频道</span>
             </a>
@@ -1217,7 +1217,7 @@
             : undefined;
           const idToken = firstNonEmpty(inputIdToken, syntheticIdToken);
 
-          const cpa = stripUnavailable({
+          const cpa = Object.fromEntries(Object.entries({
             type: "codex",
             account_id: accountId,
             chatgpt_account_id: accountId,
@@ -1228,12 +1228,12 @@
             id_token: idToken,
             id_token_synthetic: Boolean(syntheticIdToken) || undefined,
             access_token: accessToken,
-            refresh_token: refreshToken,
+            refresh_token: refreshToken || "",
             session_token: sessionToken,
             last_refresh: exportedAt,
             expired: expiresAt,
             disabled: Boolean(record.disabled) || undefined,
-          });
+          }).filter(([, value]) => value !== undefined && value !== null));
 
           const cockpit = {
             type: "codex",