diff --git a/src/services/unifiedClaudeScheduler.js b/src/services/unifiedClaudeScheduler.js
index 73def6a8..54446ec7 100644
--- a/src/services/unifiedClaudeScheduler.js
+++ b/src/services/unifiedClaudeScheduler.js
@@ -1182,7 +1182,9 @@ class UnifiedClaudeScheduler {
       const client = redis.getClientSafe()
       const key = `temp_unavailable:${accountType}:${accountId}`
       await client.setex(key, ttlSeconds, '1')
-      if (sessionHash) await this._deleteSessionMapping(sessionHash)
+      if (sessionHash) {
+        await this._deleteSessionMapping(sessionHash)
+      }
       logger.warn(
         `⏱️ Account ${accountId} (${accountType}) marked temporarily unavailable for ${ttlSeconds}s`
       )
diff --git a/src/utils/unstableUpstreamHelper.js b/src/utils/unstableUpstreamHelper.js
index c233fc3c..6fa58aca 100644
--- a/src/utils/unstableUpstreamHelper.js
+++ b/src/utils/unstableUpstreamHelper.js
@@ -1,7 +1,9 @@
 const logger = require('./logger')
 
 function parseList(envValue) {
-  if (!envValue) return []
+  if (!envValue) {
+    return []
+  }
   return envValue
     .split(',')
     .map((s) => s.trim().toLowerCase())
@@ -13,7 +15,9 @@ const unstableKeywords = parseList(process.env.UNSTABLE_ERROR_KEYWORDS)
 const unstableStatusCodes = new Set([408, 499, 502, 503, 504, 522])
 
 function normalizeErrorPayload(payload) {
-  if (!payload) return {}
+  if (!payload) {
+    return {}
+  }
 
   if (typeof payload === 'string') {
     try {