diff --git a/src/app/util.js b/src/app/util.js
index 6636da1..2ccb638 100644
--- a/src/app/util.js
+++ b/src/app/util.js
@@ -222,7 +222,7 @@ pxer.util.getIDfromURL = function (key = 'id', url = document.URL) {
     if (result) return result;
 
     // read id from url
-    const matchResult = url.match(/\d{4,}/);
+    const matchResult = url.match(/\d+/);
 
     return matchResult ? matchResult[0] : null;
 };
@@ -237,4 +237,4 @@ pxer.util.fetchPixivApi = async function (url) {
     ).body;
 };
 
-Object.assign(window, pxer.util);
\ No newline at end of file
+Object.assign(window, pxer.util);