diff --git a/platform-code/src/app.ts b/platform-code/src/app.ts
index 39f1ce2..2679dbc 100644
--- a/platform-code/src/app.ts
+++ b/platform-code/src/app.ts
@@ -239,7 +239,7 @@ export async function getInitialState() {
 	let params = await model.parameters()
 	//console.log("params", params)
 	const host: string = window.location.hostname
-	if (window.top === window.self) {
+	if (window.top !== window.self) {
 		window.location.href = 'https://metal.dayesteel.com.cn';
 		return;
 	}