diff --git a/QuantumultX/File/bilifj.js b/QuantumultX/File/bilifj.js
new file mode 100644
index 0000000..74103c0
--- /dev/null
+++ b/QuantumultX/File/bilifj.js
@@ -0,0 +1,12 @@
+var body = $response.body;
+var url = $request.url;
+
+const path1 = '/pgc/player/api/playurl';
+
+if (url.indexOf(path1) != -1) {
+    let obj = JSON.parse(body);
+	obj["quality"] = 116;
+	body = JSON.stringify(obj);  
+ }
+
+$done({body});
\ No newline at end of file