Version check failed when installing deno 1.12.0

[hlhr202]

dvm install 1.12.0 

downloading https://dl.deno.land/release/v1.12.0/deno-x86_64-apple-darwin.zip
Version has been found
Deno v1.12.0 has been downloaded
Archive:  /Users/liuhaoranhuang/.dvm/1.12.0/deno.zip
  inflating: deno                    
thread 'main' panicked at 'assertion failed: `(left == right)`
  left: `"deno 1.12.0+1ad6575"`,
 right: `"deno 1.12.0"`', src/commands/use_.rs:88:3
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[1]    80503 abort      dvm install 1.12.0

when use assertion to check deno version. the LHS is deno 1.12.0+1ad6575 while RHS is deno 1.12.0
error happened on src/commands/use_.rs:88:3

[justjavac]

see #54