diff --git a/packages/page-agent/src/demo.ts b/packages/page-agent/src/demo.ts
index 07c5f4b..ee19603 100644
--- a/packages/page-agent/src/demo.ts
+++ b/packages/page-agent/src/demo.ts
@@ -22,6 +22,7 @@ const currentScript = document.currentScript as HTMLScriptElement | null
 // in case document.x is not ready yet
 setTimeout(() => {
 	let config: PageAgentConfig
+	let showPanel = true
 
 	if (currentScript) {
 		console.log('🚀 page-agent.js detected current script:', currentScript.src)
@@ -30,21 +31,20 @@ setTimeout(() => {
 		const baseURL = url.searchParams.get('baseURL') || DEMO_BASE_URL
 		const apiKey = url.searchParams.get('apiKey') || DEMO_API_KEY
 		const language = (url.searchParams.get('lang') as 'zh-CN' | 'en-US') || 'zh-CN'
-		const showPanel = ((url.searchParams.get('showPanel') as 'true' | 'false') || 'true') === 'true'
-		config = { model, baseURL, apiKey, language, showPanel }
+		showPanel = ((url.searchParams.get('showPanel') as 'true' | 'false') || 'true') === 'true'
+		config = { model, baseURL, apiKey, language }
 	} else {
 		console.log('🚀 page-agent.js no current script detected, using default demo config')
 		config = {
 			model: import.meta.env.LLM_MODEL_NAME ? import.meta.env.LLM_MODEL_NAME : DEMO_MODEL,
 			baseURL: import.meta.env.LLM_BASE_URL ? import.meta.env.LLM_BASE_URL : DEMO_BASE_URL,
 			apiKey: import.meta.env.LLM_API_KEY ? import.meta.env.LLM_API_KEY : DEMO_API_KEY,
-			showPanel: true,
 		}
 	}
 
 	// Create agent
 	window.pageAgent = new PageAgent(config)
-	if (config.showPanel) {
+	if (showPanel) {
 		window.pageAgent.panel.show()
 	}