Error when executing YARN-related commands in Windows PowerShell

1. An error is reported when executing YARN-related commands in Windows PowerShell: & as shown in Figure 1

Figure 1

PS E:\wwwroot\with-blade> yarn hotshop theme build & hothop app build --all
Location Line:1 Characters: 27
+ Yarn Hothop Theme Build & Hothop App Build --all
+ ~
& is not allowed. The & operator is reserved for future use; please use double quotation marks to bring the sign ("&") to pass it as part of the string.
+ CategoryInfo : ParserError: (:)[], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : AmpersAndNotAllowed

2. Decide to replace & with “&”, and then execute: after the yarn hothop theme build is successful, an error is reported:hothopNot an internal or external command, nor is it a runnable program or batch file.

PS E:\wwwroot\with-blade> yarn hotshop theme build "&" hotshop app build --all
...
@Theme/Brooklyn: √ Mix: compiled successfully in 2.73M
@theme/brooklyn: webpack compiled successfully
Lerna Success Run Ran NPM Scriptprodin 1 package in 180.7s:
Lerna Success - @theme/brooklyn
Done in 288.18s.
hothopNot an internal or external command, nor a runnable program
or batch files.

3. Add yarn before the second hothop, and the last two builds run successfully. as shown in Figure 2

Figure 2

PS E:\wwwroot\with-blade> yarn hothop theme build "&" yarn hothop app build --all
YARN RUN v1.22.15
$e:\wwwroot\with-blade\node_modules\.bin\hothop theme build
~ remove apps from "./themes/brooklyn/apps/internal" ...
$e:\wwwroot\with-blade\node_modules\.bin\lerna run --scope @theme/brooklyn prod
Lerna Notice CLI v6.6.2
...
@Theme/Brooklyn: √ Mix: compiled successfully in 2.80M
@theme/brooklyn: webpack compiled successfully
Lerna Success Run Ran NPM Scriptprodin 1 package in 216.7s:
Lerna Success - @theme/brooklyn
Done in 253.16s.
YARN RUN v1.22.15
$e:\wwwroot\with-blade\node_modules\.bin\hothop app build --all
$ e:\wwwroot\with-blade\node_modules\.bin\lerna run --scope @extension/* prod
Lerna Notice CLI v6.6.2
lerna info versioning dependence
Lerna notice filter including "@extension/*"
lerna info filter[ '@extension/*' ]
Lerna Info Executing Command in 28 Packages: "Yarn Run Prod"
@extension/back-top: $mix --production
...
Lerna Success - @extension/visitors-counter
√ Done!
Done in 770.26s.