无法安装 SQL Server PowerShell utilities

我的电脑需要安装SQL Server PowerShell utilities，但是在PowerShell ISE里面无法执行 Install-Module -Name sqlserver，可以麻烦帮忙看看吗？
PS C:\Users\tli> Install-Module -Name sqlserver
PackageManagement\Install-Package : The following commands are already available on this system:’Add-Rol
eMember,Add-SqlAvailabilityDatabase,Add-SqlAvailabilityGroupListenerStaticIp,Add-SqlFirewallRule,Backup-
ASDatabase,Backup-SqlDatabase,Convert-UrnToPath,Decode-SqlName,Disable-SqlAlwaysOn,Enable-SqlAlwaysOn,En
code-SqlName,Get-SqlCredential,Get-SqlDatabase,Get-SqlInstance,Get-SqlSmartAdmin,Invoke-ASCmd,Invoke-Pol
icyEvaluation,Invoke-ProcessCube,Invoke-ProcessDimension,Invoke-ProcessPartition,Invoke-Sqlcmd,Join-SqlA
vailabilityGroup,Merge-Partition,New-RestoreFolder,New-RestoreLocation,New-SqlAvailabilityGroup,New-SqlA
vailabilityGroupListener,New-SqlAvailabilityReplica,New-SqlBackupEncryptionOption,New-SqlCredential,New-
SqlHADREndpoint,Remove-RoleMember,Remove-SqlAvailabilityDatabase,Remove-SqlAvailabilityGroup,Remove-SqlA
vailabilityReplica,Remove-SqlCredential,Remove-SqlFirewallRule,Restore-ASDatabase,Restore-SqlDatabase,Re
sume-SqlAvailabilityDatabase,Set-SqlAuthenticationMode,Set-SqlAvailabilityGroup,Set-SqlAvailabilityGroup
Listener,Set-SqlAvailabilityReplica,Set-SqlCredential,Set-SqlHADREndpoint,Set-SqlNetworkConfiguration,Se
t-SqlSmartAdmin,Start-SqlInstance,Stop-SqlInstance,Suspend-SqlAvailabilityDatabase,Switch-SqlAvailabilit
yGroup,Test-SqlAvailabilityGroup,Test-SqlAvailabilityReplica,Test-SqlDatabaseReplicaState,Test-SqlSmartA
dmin’. This module ‘SqlServer’ may override the existing commands. If you still want to install this
module ‘SqlServer’, use -AllowClobber parameter.
At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.6.6\PSModule.psm1:9455 char:21
+ …          $null = PackageManagement\Install-Package @PSBoundParameters
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (Microsoft.Power….InstallPackage:InstallPackage) [Ins
   tall-Package], Exception
    + FullyQualifiedErrorId : CommandAlreadyAvailable,Validate-ModuleCommandAlreadyAvailable,Microsoft.
   PowerShell.PackageManagement.Cmdlets.InstallPackage