diff --git a/README.md b/README.md
index c3bd2b0..f754a0b 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ node scripts/install.mjs --verbose
 
 ## 配置
 
-1. 在 HarborForge Monitor 中注册服务器，获取 `challengeUuid`
+1. 在 HarborForge Monitor 中注册服务器，获取 `apiKey`
 
 2. 编辑 `~/.openclaw/openclaw.json`:
 
@@ -87,7 +87,7 @@ node scripts/install.mjs --verbose
       "enabled": true,
       "backendUrl": "https://monitor.hangman-lab.top",
       "identifier": "my-server-01",
-      "challengeUuid": "your-challenge-uuid-here",
+      "apiKey": "your-api-key-here",
       "reportIntervalSec": 30,
       "httpFallbackIntervalSec": 60,
       "logLevel": "info"
@@ -109,7 +109,7 @@ openclaw gateway restart
 | `enabled` | boolean | `true` | 是否启用插件 |
 | `backendUrl` | string | `https://monitor.hangman-lab.top` | Monitor 后端地址 |
 | `identifier` | string | 自动检测 hostname | 服务器标识符 |
-| `challengeUuid` | string | 必填 | 注册挑战 UUID |
+| `apiKey` | string | 可选 | API Key 认证（从 HarborForge Monitor 获取） |
 | `reportIntervalSec` | number | `30` | 报告间隔（秒） |
 | `httpFallbackIntervalSec` | number | `60` | HTTP 回退间隔（秒） |
 | `logLevel` | string | `"info"` | 日志级别: debug/info/warn/error |
@@ -151,7 +151,7 @@ npm run build
 
 ```bash
 cd server
-HF_MONITOR_CHALLENGE_UUID=test-uuid \
+HF_MONITOR_API_KEY=your-api-key \
 HF_MONITOR_BACKEND_URL=http://localhost:8000 \
 HF_MONITOR_LOG_LEVEL=debug \
 node telemetry.mjs
diff --git a/plugin/index.ts b/plugin/index.ts
index 4d70382..080f93a 100644
--- a/plugin/index.ts
+++ b/plugin/index.ts
@@ -15,7 +15,7 @@ interface PluginConfig {
   enabled?: boolean;
   backendUrl?: string;
   identifier?: string;
-  challengeUuid?: string;
+  apiKey?: string;
   reportIntervalSec?: number;
   httpFallbackIntervalSec?: number;
   logLevel?: 'debug' | 'info' | 'warn' | 'error';
@@ -47,10 +47,9 @@ export default function register(api: PluginAPI, config: PluginConfig) {
     return;
   }
 
-  if (!config.challengeUuid) {
-    logger.error('Missing required config: challengeUuid');
-    logger.error('Please register server in HarborForge Monitor first');
-    return;
+  if (!config.apiKey) {
+    logger.warn('Missing config: apiKey');
+    logger.warn('API authentication will be disabled. Generate apiKey from HarborForge Monitor admin.');
   }
 
   const serverPath = join(__dirname, '..', 'server', 'telemetry.mjs');
@@ -74,7 +73,7 @@ export default function register(api: PluginAPI, config: PluginConfig) {
       ...process.env,
       HF_MONITOR_BACKEND_URL: config.backendUrl || 'https://monitor.hangman-lab.top',
       HF_MONITOR_IDENTIFIER: config.identifier || '',
-      HF_MONITOR_CHALLENGE_UUID: config.challengeUuid,
+      HF_MONITOR_API_KEY: config.apiKey || '',
       HF_MONITOR_REPORT_INTERVAL: String(config.reportIntervalSec || 30),
       HF_MONITOR_HTTP_FALLBACK_INTERVAL: String(config.httpFallbackIntervalSec || 60),
       HF_MONITOR_LOG_LEVEL: config.logLevel || 'info',
diff --git a/scripts/install.mjs b/scripts/install.mjs
index a66e003..32360c7 100644
--- a/scripts/install.mjs
+++ b/scripts/install.mjs
@@ -240,8 +240,8 @@ async function configure() {
     }
     logOk(`plugins.allow includes ${PLUGIN_NAME}`);
     
-    // Note: challengeUuid must be configured manually by user
-    logOk('Plugin configured (remember to set challengeUuid in ~/.openclaw/openclaw.json)');
+    // Note: apiKey must be configured manually by user
+    logOk('Plugin configured (remember to set apiKey in ~/.openclaw/openclaw.json)');
     
   } catch (err) {
     logWarn(`Config failed: ${err.message}`);
@@ -262,13 +262,13 @@ function summary() {
   
   console.log('');
   log('Next steps:', 'blue');
-  log(' 1. Register server in HarborForge Monitor to get challengeUuid', 'cyan');
+  log(' 1. Register server in HarborForge Monitor to get apiKey', 'cyan');
   log(' 2. Edit ~/.openclaw/openclaw.json:', 'cyan');
   log('    {', 'cyan');
   log('      "plugins": {', 'cyan');
   log('        "harborforge-monitor": {', 'cyan');
   log('          "enabled": true,', 'cyan');
-  log('          "challengeUuid": "your-challenge-uuid"', 'cyan');
+  log('          "apiKey": "your-api-key"', 'cyan');
   log('        }', 'cyan');
   log('      }', 'cyan');
   log('    }', 'cyan');