[Bug] Can it run in Termux ？

[billmax]

I use Termux on Poco F2，when “ curl -fsSL https://get.casaos.io | sudo bash
” it reported as below：

#######################################

Custom printing function

Globals:

None

Arguments:

$1 0:OK 1:FAILED 2:INFO 3:NOTICE

message

Returns:

None

#######################################

Show() {
# OK
if (($1 == 0)); then
echo -e "${aCOLOUR[2]}[$COLOUR_RESET${aCOLOUR[0]} OK $COLOUR_RESET${aCOLOUR[2]}]$COLOUR_RESET $2"
# FAILED
elif (($1 == 1)); then
echo -e "${aCOLOUR[2]}[$COLOUR_RESET${aCOLOUR[3]}FAILED$COLOUR_RESET${aCOLOUR[2]}]$COLOUR_RESET $2"
exit 1
# INFO
elif (($1 == 2)); then
echo -e "${aCOLOUR[2]}[$bash: line 7: syntax error near unexpected token elif' bash: line 7: elif [ -x "$(command -v zypper)" ]; then'
~ $