And synchronize with thread display when necessary.

Resolves a scan-build warning.

Introduced in 36963b6d.

To reduce the number of casts required and avoid a scan-build warning.

If the length of wszApplicationName exceeds 1024, it will cause an error
when writing to the subsequent stack space after exceeding the wcmd space,
Wcmd needs to be modified to dynamic allocation.
Signed-off-by: Jiajin Cui <cuijiajin@uniontech.com>