diff --git a/index.html b/index.html
index 22e37375f..26ccba872 100755
--- a/index.html
+++ b/index.html
@@ -19,6 +19,19 @@
 			};
 			const STACK_REGEXP = /^\s*at .*(\S+:\d+|\(native\))/m;
 			const errorList = [];
+			function extractLocation(urlLike) {
+				// 不存在地址信息的字符串
+				if (!/:/.test(urlLike)) {
+					return [urlLike];
+				}
+
+				// 捕获位置用到的正则
+				const regExp = /(.+?)(?::(\d+))?(?::(\d+))?$/;
+				const parts = regExp.exec(urlLike.replace(/[()]/g, ''));
+
+				// @ts-ignore
+				return [parts[1], parts[2] || void 0, parts[3] || void 0];
+			}
 			window.onunhandledrejection = async event => {
 				event.promise.catch(error => {
 					console.log(error);