diff --git a/utils/app.js b/utils/app.js
index 53afd9e..6479da4 100644
--- a/utils/app.js
+++ b/utils/app.js
@@ -18,4 +18,16 @@ export function isIos(){
 		return isIOS
 	}
 	return isIOS
-}
\ No newline at end of file
+}
+
+export function returnIsSafari() {
+	let res = uni.getSystemInfoSync();
+	var ua = navigator.userAgent.toLowerCase();
+	if (ua.indexOf('applewebkit') > -1 && ua.indexOf('mobile') > -1 && ua.indexOf('safari') > -1 &&
+		ua.indexOf('linux') === -1 && ua.indexOf('android') === -1 && ua.indexOf('chrome') === -1 &&
+		ua.indexOf('ios') === -1 && ua.indexOf('browser') === -1) {
+		return true;
+	} else {
+		return false;
+	}
+}