How to set the snippet indent format for C++-mode

[Eason0210]

I install yasnipet, and when I expand the snippet with eglot, the indent format is not follow c++-mode(cc-mode).

let's take while keyword for example:

1. trigger by eglot:

2. trigger by yasnippet(Tab):

Mac OS bigsur 11.4
Emacs plus 28.0.50 native comp
eglot: 1.7
LSP: Apple clangd version 12.0.