fix: 修复颜色输出在 busybox ash 环境下显示 -e 的问题

- 将所有颜色函数从 `echo -e` 改为 `printf`
- 兼容路由器上的 busybox ash shell

main.sh

@@ -3,13 +3,13 @@
 # by @wukongdaily
 
 # 定义颜色输出函数
-red() { echo -e "\033[31m\033[01m$1\033[0m"; }
-green() { echo -e "\033[32m\033[01m$1\033[0m"; }
-yellow() { echo -e "\033[33m\033[01m$1\033[0m"; }
-blue() { echo -e "\033[34m\033[01m$1\033[0m"; }
-light_magenta() { echo -e "\033[95m\033[01m$1\033[0m"; }
-light_yellow() { echo -e "\033[93m\033[01m$1\033[0m"; }
-cyan() { echo -e "\033[38;2;0;255;255m$1\033[0m"; }
+red() { printf "\033[31m\033[01m%s\033[0m\n" "$1"; }
+green() { printf "\033[32m\033[01m%s\033[0m\n" "$1"; }
+yellow() { printf "\033[33m\033[01m%s\033[0m\n" "$1"; }
+blue() { printf "\033[34m\033[01m%s\033[0m\n" "$1"; }
+light_magenta() { printf "\033[95m\033[01m%s\033[0m\n" "$1"; }
+light_yellow() { printf "\033[93m\033[01m%s\033[0m\n" "$1"; }
+cyan() { printf "\033[38;2;0;255;255m%s\033[0m\n" "$1"; }
 
 HTTP_HOST="https://cafe.cpolar.cn/wkdaily/gl/raw/branch/main"
 SCRIPT_DIR="/tmp/gl-scripts"