diff --git a/src/provider-pool-manager.js b/src/provider-pool-manager.js
index f66292a..1a2ad0a 100644
--- a/src/provider-pool-manager.js
+++ b/src/provider-pool-manager.js
@@ -21,8 +21,9 @@ export class ProviderPoolManager {
         this.globalConfig = options.globalConfig || {}; // 存储全局配置
         this.providerStatus = {}; // Tracks health and usage for each provider instance
         this.roundRobinIndex = {}; // Tracks the current index for round-robin selection for each provider type
-        this.maxErrorCount = options.maxErrorCount || 3; // Default to 3 errors before marking unhealthy
-        this.healthCheckInterval = options.healthCheckInterval || 10 * 60 * 1000; // Default to 10 minutes
+        // 使用 ?? 运算符确保 0 也能被正确设置，而不是被 || 替换为默认值
+        this.maxErrorCount = options.maxErrorCount ?? 3; // Default to 3 errors before marking unhealthy
+        this.healthCheckInterval = options.healthCheckInterval ?? 10 * 60 * 1000; // Default to 10 minutes
         
         // 日志级别控制
         this.logLevel = options.logLevel || 'info'; // 'debug', 'info', 'warn', 'error'
@@ -87,7 +88,7 @@ export class ProviderPoolManager {
                 });
             });
         }
-        this._log('info', 'Initialized provider statuses: ok');
+        this._log('info', `Initialized provider statuses: ok (maxErrorCount: ${this.maxErrorCount})`);
     }
 
     /**
diff --git a/src/service-manager.js b/src/service-manager.js
index de8dae0..123cefc 100644
--- a/src/service-manager.js
+++ b/src/service-manager.js
@@ -14,7 +14,7 @@ export async function initApiService(config) {
     if (config.providerPools && Object.keys(config.providerPools).length > 0) {
         providerPoolManager = new ProviderPoolManager(config.providerPools, {
             globalConfig: config,
-            maxErrorCount: config.MAX_ERROR_COUNT || 3
+            maxErrorCount: config.MAX_ERROR_COUNT ?? 3
         });
         console.log('[Initialization] ProviderPoolManager initialized with configured pools.');
         // 健康检查将在服务器完全启动后执行