diff --git a/src/config-manager.js b/src/config-manager.js
index 035e14f..8374cb4 100644
--- a/src/config-manager.js
+++ b/src/config-manager.js
@@ -270,9 +270,9 @@ export async function initializeConfig(args = process.argv.slice(2), configFileP
     currentConfig.SYSTEM_PROMPT_CONTENT = await getSystemPromptFileContent(currentConfig.SYSTEM_PROMPT_FILE_PATH);
 
     // 加载号池配置
-    // if (!currentConfig.PROVIDER_POOLS_FILE_PATH) {
-    //     currentConfig.PROVIDER_POOLS_FILE_PATH = 'provider_pools.json';
-    // }
+    if (!currentConfig.PROVIDER_POOLS_FILE_PATH) {
+        currentConfig.PROVIDER_POOLS_FILE_PATH = 'provider_pools.json';
+    }
     if (currentConfig.PROVIDER_POOLS_FILE_PATH) {
         try {
             const poolsData = await pfs.readFile(currentConfig.PROVIDER_POOLS_FILE_PATH, 'utf8');
diff --git a/src/provider-pool-manager.js b/src/provider-pool-manager.js
index 8cbc326..2ec7346 100644
--- a/src/provider-pool-manager.js
+++ b/src/provider-pool-manager.js
@@ -166,7 +166,7 @@ export class ProviderPoolManager {
      * @param {object} providerConfig - The configuration of the provider to mark.
      * @param {boolean} isInit - Whether to reset usage count (optional, default: false).
      */
-    markProviderHealthy(providerType, providerConfig, isInit = false) {
+    markProviderHealthy(providerType, providerConfig, resetUsageCount = false) {
         if (!providerConfig?.uuid) {
             this._log('error', 'Invalid providerConfig in markProviderHealthy');
             return;
@@ -177,10 +177,11 @@ export class ProviderPoolManager {
             provider.config.isHealthy = true;
             provider.config.errorCount = 0;
             provider.config.lastErrorTime = null;
-            if (isInit) {
+            // 只有在明确要求重置使用计数时才重置
+            if (resetUsageCount) {
                 provider.config.usageCount = 0;
             }
-            this._log('info', `Marked provider as healthy: ${provider.config.uuid} for type ${providerType}`);
+            this._log('info', `Marked provider as healthy: ${provider.config.uuid} for type ${providerType}${resetUsageCount ? ' (usage count reset)' : ''}`);
             
             this._debouncedSave(providerType);
         }
@@ -277,11 +278,13 @@ export class ProviderPoolManager {
                     if (isHealthy) {
                         if (!providerStatus.config.isHealthy) {
                             // Provider was unhealthy but is now healthy
-                            this.markProviderHealthy(providerType, providerConfig, isInit);
+                            // 恢复健康时不重置使用计数，保持原有值
+                            this.markProviderHealthy(providerType, providerConfig);
                             this._log('info', `Health check for ${providerConfig.uuid} (${providerType}): Marked Healthy (actual check)`);
                         } else {
                             // Provider was already healthy and still is
-                            this.markProviderHealthy(providerType, providerConfig, isInit);
+                            // 只在初始化时重置使用计数
+                            this.markProviderHealthy(providerType, providerConfig);
                             this._log('debug', `Health check for ${providerConfig.uuid} (${providerType}): Still Healthy`);
                         }
                     } else {
diff --git a/src/ui-manager.js b/src/ui-manager.js
index c02ae9d..f8a7bca 100644
--- a/src/ui-manager.js
+++ b/src/ui-manager.js
@@ -318,13 +318,18 @@ export async function serveStaticFiles(pathParam, res) {
  * 动态导入config-manager并重新初始化配置
  * @returns {Promise<Object>} 返回重载后的配置对象
  */
-async function reloadConfig() {
+async function reloadConfig(providerPoolManager) {
     try {
         // Import config manager dynamically
         const { initializeConfig } = await import('./config-manager.js');
         
         // Reload main config
         const newConfig = await initializeConfig(process.argv.slice(2), 'config.json');
+        // Update provider pool manager if available
+        if (providerPoolManager) {
+            providerPoolManager.providerPools = newConfig.providerPools;
+            providerPoolManager.initializeProviderStatus();
+        }
         
         // Update global CONFIG
         Object.assign(CONFIG, newConfig);
@@ -409,7 +414,17 @@ export async function handleUIApiRequests(method, pathParam, req, res, currentCo
                 const tempFilePath = req.file.path;
                 
                 // 根据实际的provider移动文件到正确的目录
-                const targetDir = path.join(process.cwd(), 'configs', provider);
+                let targetDir = path.join(process.cwd(), 'configs', provider);
+                
+                // 如果是kiro类型的凭证，需要再包裹一层文件夹
+                if (provider === 'kiro') {
+                    // 使用时间戳作为子文件夹名称，确保每个上传的文件都有独立的目录
+                    const timestamp = Date.now();
+                    const originalNameWithoutExt = path.parse(req.file.originalname).name;
+                    const subFolder = `${timestamp}_${originalNameWithoutExt}`;
+                    targetDir = path.join(targetDir, subFolder);
+                }
+                
                 await fs.mkdir(targetDir, { recursive: true });
                 
                 const targetFilePath = path.join(targetDir, req.file.filename);
@@ -1149,7 +1164,7 @@ export async function handleUIApiRequests(method, pathParam, req, res, currentCo
     if (method === 'POST' && pathParam === '/api/reload-config') {
         try {
             // 调用重载配置函数
-            const newConfig = await reloadConfig();
+            const newConfig = await reloadConfig(providerPoolManager);
             
             // 广播更新事件
             broadcastEvent('config_update', {
@@ -1575,7 +1590,8 @@ async function scanOAuthDirectory(dirPath, usedPaths, currentConfig) {
             } else if (file.isDirectory()) {
                 // 递归扫描子目录（限制深度）
                 const relativePath = path.relative(process.cwd(), fullPath);
-                if (relativePath.split(path.sep).length < 3) { // 最大深度3层
+                // 最大深度4层，以支持 configs/kiro/{subfolder}/file.json 这样的结构
+                if (relativePath.split(path.sep).length < 4) {
                     const subFiles = await scanOAuthDirectory(fullPath, usedPaths, currentConfig);
                     oauthFiles.push(...subFiles);
                 }
diff --git a/static/app/event-handlers.js b/static/app/event-handlers.js
index f21d6c9..b6eba67 100644
--- a/static/app/event-handlers.js
+++ b/static/app/event-handlers.js
@@ -67,10 +67,10 @@ function initEventListeners() {
     });
 
     // 提供商池配置监听
-    const providerPoolsInput = document.getElementById('providerPoolsFilePath');
-    if (providerPoolsInput) {
-        providerPoolsInput.addEventListener('input', handleProviderPoolsConfigChange);
-    }
+    // const providerPoolsInput = document.getElementById('providerPoolsFilePath');
+    // if (providerPoolsInput) {
+    //     providerPoolsInput.addEventListener('input', handleProviderPoolsConfigChange);
+    // }
 
     // 日志容器滚动
     if (elements.logsContainer) {
diff --git a/static/index.html b/static/index.html
index 9387cb4..d5c56cb 100644
--- a/static/index.html
+++ b/static/index.html
@@ -623,8 +623,8 @@
                                 </div>
                                 
                                 <div class="form-group pool-section">
-                                    <label for="providerPoolsFilePath">提供商池配置文件路径</label>
-                                    <input type="text" id="providerPoolsFilePath" class="form-control" value="" placeholder="例如: provider_pools.json">
+                                    <label for="providerPoolsFilePath">提供商池配置文件路径(不能为空)</label>
+                                    <input type="text" id="providerPoolsFilePath" class="form-control" value="" placeholder="默认: provider_pools.json">
                                     <small class="form-text">配置了提供商池后，默认使用提供商池的配置，提供商池配置失效降级到默认配置</small>
                                 </div>