Update index.js

index.js

@@ -18,7 +18,8 @@ const urls = [
   'https://shisb-lobechat.hf.space', //lobechat
   'https://shisb-duck2.hf.space/hf', //duck2api
   'https://biangbiang-newapi.hf.space', //newapi
-  'https://shisb-reader.hf.space' //reader
+  'https://shisb-reader.hf.space', //reader
+  'https://biangbiang-duck2api.hf.space' //duck2api
   // ... 添加更多url
 ];