diff --git a/utils/app.js b/utils/app.js
index 9ca3fe7..53afd9e 100644
--- a/utils/app.js
+++ b/utils/app.js
@@ -2,4 +2,20 @@ export function openApp(url){
 	// #ifdef H5
 	window.location.href='com.hnsiyao.duanju://'
 	// #endif
+}
+export function isAndroid(){
+	const systemInfo = uni.getSystemInfoSync();
+	const isA=systemInfo.platform === 'android'
+	isAndroid=()=>{
+		return isA
+	}
+	isA
+}
+export function isIos(){
+	const systemInfo = uni.getSystemInfoSync();
+	const isIOS = /iOS/.test(systemInfo.platform);
+	isIos=()=>{
+		return isIOS
+	}
+	return isIOS
 }
\ No newline at end of file