NeteaseMusic修复一个小bug

list.json

@@ -282,10 +282,10 @@
         },
         {
             "name": "neteasemusic",
-            "version": "3.9",
+            "version": "4.0",
             "section": "daily",
             "maintainer": "TNTcraftHIM",
-            "size": "28.9 kb",
+            "size": "29.0 kb",
             "supported": true,
             "des-short": "网易云搜歌/随机热歌/点歌",
             "des": "可以在线搜索并且快速点歌（可回复信息点歌），也支持随机热歌功能，支持解锁VIP/灰色歌曲。命令：nem。"

neteasemusic.py

@@ -104,6 +104,8 @@ async def nem(context):
                 req = json.loads(req.content)
                 if req['code'] == 200:
                     result = req['result']
+                    if req['result']['songCount'] == 0:
+                        result = False
                 else:
                     result = False
                 if result: