diff --git a/README.md b/README.md
index 566be21..7caf358 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,13 @@ npm install
 npm start
 ```
 
+如需指定自定义配置文件启动：
+```
+npm start -- my_config.json
+```
+
+注意，配置文件必须是json格式，并且保存在conf/目录。
+
 
 ## 查看监控结果
 
diff --git a/monitor.mjs b/monitor.mjs
index fb62b21..33701c3 100644
--- a/monitor.mjs
+++ b/monitor.mjs
@@ -11,8 +11,9 @@ import md5 from 'md5';
 class Monitor {
 
     //构造函数，设置默认配置
-    constructor() {
+    constructor(configFilename) {
         this.config = null;
+        this.configFile = typeof(configFilename) != 'undefined' && configFilename ? configFilename : 'config.json';
 
         //默认配置
         this.systemLogDir = 'log/';                             //系统日志保存目录
@@ -27,7 +28,8 @@ class Monitor {
         const _self = this;
 
         if ( !this.config || (typeof(forceReload) != 'undefined' && forceReload) ) {
-            let config = await common.getConfigFromJsonFile('config.json');
+	        console.log("Load config from %s", this.configFile);
+            let config = await common.getConfigFromJsonFile(this.configFile);
 
             //覆盖默认配置
             for (const key in config) {
diff --git a/server.mjs b/server.mjs
index 6ec1ee0..2e75a82 100644
--- a/server.mjs
+++ b/server.mjs
@@ -2,7 +2,11 @@ import common from './lib/common.mjs';
 import Monitor from './monitor.mjs';
 
 (async () => {
-    let monitor = new Monitor();
-    await monitor.init();
+	let configFile = 'config.json';
+    if (process.argv.length >= 3) {
+        configFile = process.argv[2];
+    }
 
+    let monitor = new Monitor(configFile);
+    await monitor.init();
 })();
\ No newline at end of file