change xcode arch to stardard 32 64 bit

Signed-off-by: xiehuc <xiehuc@gmail.com>
fix send first whisper conversation write error sender

Signed-off-by: xiehuc <xiehuc@gmail.com>
add error message when download js file failed

Signed-off-by: xiehuc <xiehuc@gmail.com>
disable send file

Signed-off-by: xiehuc <xiehuc@gmail.com>