Merge remote-tracking branch 'origin/dev_20230222_live' into dev_20230222_live

mec-biz/src/main/java/com/ym/mec/biz/dal/vo/ImLiveBroadcastRoomVo.java

@@ -73,7 +73,7 @@ public class ImLiveBroadcastRoomVo implements Serializable {
     private String imToken;
 
     @ApiModelProperty(value = "播出端-  pc网页端 移动端mobile")
-    private String os = "pc";
+    private String os;
 
     @ApiModelProperty(value = "是否在首页推广 0否 1是 - 每个机构只能有一个直播间在首页推广")
     private Integer popularize;