diff --git a/app/main.js b/app/main.js
index f609c4e..8dbb596 100644
--- a/app/main.js
+++ b/app/main.js
@@ -27,8 +27,8 @@ searcher.registerSourceModel(new mfm.MyFreemp3XimalayaSource());
 searcher.registerSourceModel(new mfm.MyFreemp3LizhiSource());
 searcher.registerSourceModel(new mfm.MyFreemp3KgSource());
 searcher.registerSourceModel(new mfm.MyFreemp31tingSource());
-searcher.registerSourceModel(new mfm.MyFreemp35singycSource());
-searcher.registerSourceModel(new mfm.MyFreemp35singfcSource());
+// searcher.registerSourceModel(new mfm.MyFreemp35singycSource());
+// searcher.registerSourceModel(new mfm.MyFreemp35singfcSource());
 
 
 // ***********************************************************************
diff --git a/app/source/MyFreemp3Source.js b/app/source/MyFreemp3Source.js
index d08ef8f..23ca344 100644
--- a/app/source/MyFreemp3Source.js
+++ b/app/source/MyFreemp3Source.js
@@ -1,10 +1,29 @@
 const { SourceModel } = require('../model/SourceModel');
 
+const exts = ['mp3', 'acc', 'aiff', 'ape', 'au', 'flac', 'm4a', 'mmf', 'opus', 'voc', 'wav', 'ogg', 'ra', 'dvf', 'taa', 'dsf', 'diff', 'dts', 'wma'];
+function checkExtension(ext) {
+    if(exts.indexOf(ext) >= 0) {
+        return ext;
+    }
+    
+    for(let i = 0; i < exts.length; i++) {
+        if(ext.indexOf('.'+exts[i]) >= 0) {
+            return exts[i];
+        }
+    }
+
+    return '';
+}
+
 class MyFreemp3Source extends SourceModel {
     constructor() {
         super();
-        this.type = 'qq';
-        this.name = "MyFreemp3_QQ";
+        this.type = '';
+        this.name = '';
+    }
+
+    getExtension(url) {
+        return url.toLowerCase();
     }
 
     async search(keywords) {
@@ -37,7 +56,8 @@ class MyFreemp3Source extends SourceModel {
                     link: item.link,
                     lrc: item.lrc,
                     pic: item.pic,
-                    source_name: this.getName()
+                    source_name: this.getName(),
+                    extension: item.url ? checkExtension(this.getExtension(item.url)) : ''
                 }
             });
         }else {
@@ -54,6 +74,10 @@ class MyFreemp3QQSource extends MyFreemp3Source {
         this.type = 'qq';
         this.name = "MyFreemp3_QQ";
     }
+
+    getExtension(url) {
+        return url.split('?')[0].split('/').pop().split('.').pop().toLowerCase();
+    }
 }
 
 class MyFreemp3NeteaseSource extends MyFreemp3Source {
@@ -62,6 +86,10 @@ class MyFreemp3NeteaseSource extends MyFreemp3Source {
         this.type = 'netease';
         this.name = "MyFreemp3_网易";
     }
+
+    getExtension(url) {
+        return url.split('.').pop().toLowerCase();
+    }
 }
 
 class MyFreemp3KugouSource extends MyFreemp3Source {
diff --git a/html/index.html b/html/index.html
index 89b12de..6b51b41 100644
--- a/html/index.html
+++ b/html/index.html
@@ -31,7 +31,7 @@
             <div style="margin: 10px 0">
                 <label>选择搜索源：</label>
                 <Checkbox-Group v-model="selected_sources" style="display: inline-block;">
-                    <Checkbox v-for="item in sources" :label="item">{{ item }}</Checkbox>
+                    <Checkbox v-for="item in sources" :label="item" style="padding-right:15px;">{{ item }}</Checkbox>
                 </Checkbox-Group>
             </div>
             <div style="margin: 10px 0">
@@ -63,7 +63,8 @@
                             <Row style="vertical-align: middle; line-height: 32px;">
                                 <i-col span="4">链接：</i-col>
                                 <i-col span="20">
-                                    <a :href="current_item.url" target="_blank" download="download" style="margin-right: 20px;">下载歌曲</a>
+                                    <a v-if="current_item.url" :href="current_item.url" target="_blank" download="download" style="margin-right: 20px;">下载歌曲</a>
+                                    <span v-if="!current_item.url" style="margin-right: 20px;color:#aaa;">下载歌曲</span>
                                     <a :href="current_item.link" target="_blank">源链接</a>
                                 </i-col>
                             </Row>
@@ -105,7 +106,7 @@
                                     <i-col span="16">
                                         <p style="display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;" :title="item2.title">{{ item2.title }}</p>
                                         <p style="color:#bbb">{{ item2.author }}</p>
-                                        <p><Tag :color="['default','primary','success','error','warning','magenta','red','volcano','orange','gold','yellow'][item2.number%11]">{{ item2.source_name }}</Tag></p>
+                                        <p><Tag>{{ item2.extension || '未知格式' }}</Tag><Tag :color="['default','primary','success','error','warning','magenta','red','volcano','orange','gold','yellow'][item2.number%11]">{{ item2.source_name }}</Tag></p>
                                     </i-col>
                                 </Row>
                             </div>
@@ -121,8 +122,8 @@
         el: "#app",
         data() {
             const ajax = axios.create({
-                baseURL: 'http://www.amuliang.top:5750',
-                //baseURL: 'http://localhost:5000',
+                //baseURL: 'http://www.amuliang.top:5750',
+                baseURL: 'http://localhost:5000',
                 timeout: 10000,
                 headers: {
                     'Content-Type': 'application/x-www-form-urlencoded',
@@ -190,7 +191,6 @@
                     let list = await this.search(selected_sources[i], keywords, result);
                     list.forEach(item => {
                         item.number = i; //主要用来打标记
-                        item.extension = getExtension(item.url);
                         result.push(item);
                     });
                 }
@@ -228,6 +228,10 @@
             handleStore() {
                 this.is_storing = true;
                 this.store_message = '';
+                if(getSelection(this.renderedStorePath) == '') {
+                    this.$Message.error("请指定有效歌曲后缀名");
+                    return;
+                }
                 this.get('/api/store', {
                     music_path: this.renderedStorePath,
                     music_url: this.current_item.url,
@@ -249,6 +253,10 @@
                 this.is_searching = true;
                 this.get('/api/source/all').then(response => {
                     this.sources = response.data.data;
+                    if(this.sources.length > 0) {
+                        // 默认选中第一个
+                        this.selected_sources = [this.sources[0]];
+                    }
                     this.is_searching = false;
                 }).catch(err => {
                     this.$Message.error(err.message);
@@ -273,7 +281,7 @@
     }
 
     function getExtension(url) {
-        var ext = url.split('?')[0].split('/').pop().split('.').pop().toLowerCase();
+        var ext = url.split('/').pop().split('.').pop().toLowerCase();
         var exts = ['mp3', 'acc', 'aiff', 'ape', 'au', 'flac', 'm4a', 'mmf', 'opus', 'voc', 'wav', 'ogg', 'ra', 'dvf', 'taa', 'dsf', 'diff', 'dts', 'wma'];
         if(exts.indexOf(ext) >= 0) {
             return ext;