fix: #130 单曲循环的模式下，播放列表的指令不生效

xiaomusic/static/debug.html

@@ -30,11 +30,12 @@ function postJSON() {
 
 function sendDebugCmd() {
   var cmd = $("#cmd").val();
+  var did = localStorage.getItem('cur_did');
   $.ajax({
     type: "POST",
     url: "/cmd",
     contentType: "application/json; charset=utf-8",
-    data: JSON.stringify({cmd: cmd}),
+    data: JSON.stringify({did: did, cmd: cmd}),
     success: () => {
     },
     error: () => {

xiaomusic/xiaomusic.py

@@ -883,6 +883,7 @@ class XiaoMusicDevice:
             self.device.play_type == PLAY_TYPE_ALL
             or self.device.play_type == PLAY_TYPE_RND
             or name == ""
+            or (name not in self._play_list)
         ):
             name = self.get_next_music()
         self.log.info(f"play_next. name:{name}, cur_music:{self.cur_music}")