diff --git a/web-app/browserCheck.js b/web-app/browserCheck.js
index a73b891..5c71aae 100644
--- a/web-app/browserCheck.js
+++ b/web-app/browserCheck.js
@@ -1,9 +1,24 @@
 // browserCheck.js
+// 检测浏览器是否支持 ES6
+function supportsES6() {
+	try {
+		// 尝试使用一些 ES6 特性
+		new Function("(a = 0) => a");
+		let test = 0;
+		const testConst = 0;
+		class TestClass {}
+		Promise.resolve();
 
+		return true;
+	} catch (e) {
+		return false;
+	}
+}
 // 检查浏览器版本的函数
 function checkBrowserVersion() {
 	const userAgent = navigator.userAgent;
 	const chromeMatch = userAgent.match(/Chrome\/(\d+)/);
+	const firefoxMatch = userAgent.match(/Firefox\/(\d+)/);
 
 	if (chromeMatch) {
 		const chromeVersion = parseInt(chromeMatch[1], 10);
@@ -12,6 +27,15 @@ function checkBrowserVersion() {
 		} else if (chromeVersion < 100) {
 			showUpdatePrompt();
 		}
+	} else if (firefoxMatch) {
+		const firefoxVersion = parseInt(firefoxMatch[1], 10);
+		if (firefoxVersion < 70) {
+			showMustDownloadPrompt();
+		} else if (firefoxVersion < 90) {
+			showUpdatePrompt();
+		}
+	} else if (!supportsES6()) {
+		showMustDownloadPrompt();
 	} else if (userAgent.includes("MSIE") || userAgent.includes("Trident/")) {
 		showUpdatePrompt();
 	}