各位好

我刚刚使用命令行更新软件时出现了一点问题，执行sudo apt update后提示有一个软件包可更新，然后我执行了sudo apt upgrade，但无法更新。命令行输出如下：

xiaopangju@xiaopangju-PC:~$ sudo apt update 
[sudo] password for xiaopangju: 
Verification successful
Hit:1 https://community-packages.deepin.com/deepin apricot InRelease
Hit:2 https://community-packages.deepin.com/driver driver InRelease
Hit:3 https://community-packages.deepin.com/printer eagle InRelease
Hit:4 https://home-store-img.uniontech.com/appstore deepin InRelease
Reading package lists... Done
Building dependency tree   
Reading state information... Done
1 package can be upgraded. Run 'apt list --upgradable' to see it.
xiaopangju@xiaopangju-PC:~$ sudo apt upgrade 
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  qdbus
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

系统版本：

另外一个问题：遇到deepin使用问题应当到哪里提问？希望有大佬能够回答！