diff --git a/src/routes/admin.js b/src/routes/admin.js
index a72479c7..397c77fe 100644
--- a/src/routes/admin.js
+++ b/src/routes/admin.js
@@ -1548,7 +1548,7 @@ router.post('/claude-console-accounts', authenticateAdmin, async (req, res) => {
       priority: priority || 50,
       supportedModels: supportedModels || [],
       userAgent,
-      rateLimitDuration: rateLimitDuration || 60,
+      rateLimitDuration: (rateLimitDuration !== undefined && rateLimitDuration !== null) ? rateLimitDuration : 60,
       proxy,
       accountType: accountType || 'shared'
     })
@@ -4628,7 +4628,7 @@ router.post('/openai-accounts', authenticateAdmin, async (req, res) => {
       description: description || '',
       accountType: accountType || 'shared',
       priority: priority || 50,
-      rateLimitDuration: rateLimitDuration || 60,
+      rateLimitDuration: (rateLimitDuration !== undefined && rateLimitDuration !== null) ? rateLimitDuration : 60,
       openaiOauth: openaiOauth || {},
       accountInfo: accountInfo || {},
       proxy: proxy?.enabled
diff --git a/src/services/claudeConsoleAccountService.js b/src/services/claudeConsoleAccountService.js
index e7385bdd..67d1a23c 100644
--- a/src/services/claudeConsoleAccountService.js
+++ b/src/services/claudeConsoleAccountService.js
@@ -123,7 +123,7 @@ class ClaudeConsoleAccountService {
             priority: parseInt(accountData.priority) || 50,
             supportedModels: JSON.parse(accountData.supportedModels || '[]'),
             userAgent: accountData.userAgent,
-            rateLimitDuration: parseInt(accountData.rateLimitDuration) || 60,
+            rateLimitDuration: (Number.isNaN(parseInt(accountData.rateLimitDuration)) ? 60 : parseInt(accountData.rateLimitDuration)),
             isActive: accountData.isActive === 'true',
             proxy: accountData.proxy ? JSON.parse(accountData.proxy) : null,
             accountType: accountData.accountType || 'shared',
@@ -172,7 +172,10 @@ class ClaudeConsoleAccountService {
 
     accountData.supportedModels = parsedModels
     accountData.priority = parseInt(accountData.priority) || 50
-    accountData.rateLimitDuration = parseInt(accountData.rateLimitDuration) || 60
+    {
+      const _parsedDuration = parseInt(accountData.rateLimitDuration)
+      accountData.rateLimitDuration = Number.isNaN(_parsedDuration) ? 60 : _parsedDuration
+    }
     accountData.isActive = accountData.isActive === 'true'
     accountData.schedulable = accountData.schedulable !== 'false' // 默认为true
 
@@ -370,7 +373,7 @@ class ClaudeConsoleAccountService {
         const minutesSinceRateLimit = (now - rateLimitedAt) / (1000 * 60)
 
         // 使用账户配置的限流时间
-        const rateLimitDuration = account.rateLimitDuration || 60
+        const rateLimitDuration = (typeof account.rateLimitDuration === 'number' && !Number.isNaN(account.rateLimitDuration)) ? account.rateLimitDuration : 60
 
         if (minutesSinceRateLimit >= rateLimitDuration) {
           await this.removeAccountRateLimit(accountId)
@@ -510,7 +513,8 @@ class ClaudeConsoleAccountService {
       const rateLimitedAt = new Date(accountData.rateLimitedAt)
       const now = new Date()
       const minutesSinceRateLimit = Math.floor((now - rateLimitedAt) / (1000 * 60))
-      const rateLimitDuration = parseInt(accountData.rateLimitDuration) || 60
+      const __parsedDuration = parseInt(accountData.rateLimitDuration)
+      const rateLimitDuration = Number.isNaN(__parsedDuration) ? 60 : __parsedDuration
       const minutesRemaining = Math.max(0, rateLimitDuration - minutesSinceRateLimit)
 
       return {
diff --git a/src/services/openaiAccountService.js b/src/services/openaiAccountService.js
index 6d242da1..06a6b919 100644
--- a/src/services/openaiAccountService.js
+++ b/src/services/openaiAccountService.js
@@ -146,7 +146,7 @@ async function createAccount(accountData) {
     accountType: accountData.accountType || 'shared',
     groupId: accountData.groupId || null,
     priority: accountData.priority || 50,
-    rateLimitDuration: accountData.rateLimitDuration || 60,
+    rateLimitDuration: (accountData.rateLimitDuration !== undefined && accountData.rateLimitDuration !== null) ? accountData.rateLimitDuration : 60,
     // OAuth相关字段（加密存储）
     idToken: encrypt(oauthData.idToken || ''),
     accessToken: encrypt(oauthData.accessToken || ''),