command 'leetcode.showSolution' not found

[xiaominminmin]

hello，I had a problem installing LeetCode.
Press the delete key，In vs always show 'command 'leetcode.showSolution' not found'.
Uninstalling LeetCode does not solve this problem either.
please, help

node v10.13.0

[Xieanguo]

lol,I have a similar problem.
When I press space key,it will be showed.