feat：更新

src/datasrc/Kugou.js

@@ -17,6 +17,9 @@ let getKugouSearchSongList = async function(keyWord,page,size) {
     let response = await urlFetch(url);
 
     try {
+        if(!response) {
+          return  Promise.reject("返回数据为空");
+        }
         let data = await response.json();
         //console.log(data)
         let songs = {};