fix

mec-biz/src/main/java/com/ym/mec/biz/dal/entity/UserMusic.java

@@ -72,7 +72,7 @@ public class UserMusic implements Serializable {
 
     @ApiModelProperty("点赞数")
     @TableField(value = "like_num_")
-    private Integer likeNum = 0;
+    private Integer likeNum;
 
     @ApiModelProperty("删除标记")
 	@TableField(value = "del_flag_")