diff --git a/bin/daemon.rs b/bin/daemon.rs
index 0ef8c0874653a836e3140574ccf7e68e6d06098e..6f77c53c4e213443a68a4b195f1ce918736037b5 100644
--- a/bin/daemon.rs
+++ b/bin/daemon.rs
@@ -108,7 +108,7 @@ pub fn db_remove_link(path: &String) {
 	};
 }
 
-fn run_child(cmd: &str, args: &Vec<String>) -> i32 {
+pub fn run_child(cmd: &str, args: &Vec<String>) -> i32 {
 	log::info!("run child: {}, {}", cmd, args.join(" ").to_string());
 	let mut child = match Command::new(cmd).args(args).stdout(Stdio::piped()).spawn() {
 		Ok(child) => child,
diff --git a/bin/main.rs b/bin/main.rs
index dc846acfa64bbe3c9359a806eb4be859ada04add..61aecfc52a2ca10324bee77eecbe9fd7874a5b73 100644
--- a/bin/main.rs
+++ b/bin/main.rs
@@ -12,6 +12,7 @@
 mod daemon;
 mod coredump_monitor;
 
+use crate::daemon::run_child;
 use crate::daemon::daemon_loop;
 use crate::coredump_monitor::coredump_monitor_loop;
 
@@ -23,39 +24,61 @@ use std::thread;
 
 const APP_NAME: &str = "sysboostd";
 
+fn test_kmod() -> i32 {
+	let mut args: Vec<String> = Vec::new();
+	args.push("-c".to_string());
+	args.push("lsmod | grep binfmt_rto".to_string());
+	let ret = run_child("/usr/bin/bash", &args);
+	if ret == 0 {
+		println!("binfmt_rto.ko is ready");
+	} else {
+		println!("binfmt_rto.ko is not ready");
+	}
+	return ret;
+}
+
 fn main() {
 	let args: Vec<String> = env::args().collect();
-	let argc = args.len();
-	let mut mode = "default";
-
-	if argc != 1 {
-		// arg0 is program name, parameter is from arg1
-		let cur_arg = 1;
+	let mut is_debug = false;
+	let mut is_daemon = false;
 
-		if args[cur_arg] == "-debug" {
-			mode = "debug";
-		} else if args[cur_arg] == "-daemon" {
-			mode = "daemon";
+	// arg0 is program name, parameter is from arg1
+	for i in 1..args.len() {
+		match args[i].as_str() {
+			"--debug" => {
+				is_debug = true;
+			}
+			"--daemon" => {
+				is_daemon = true;
+			}
+			"--test-kmod" => {
+				std::process::exit(test_kmod());
+			}
+			_ => {
+				println!("parameter is wrong");
+				std::process::exit(-1);
+			}
 		}
 	}
 
-	if mode == "debug" {
+	if is_debug {
 		logger::init_log_to_console(APP_NAME, log::LevelFilter::Debug);
 	} else {
 		logger::init_log(APP_NAME, log::LevelFilter::Info, "syslog", None);
 	}
 	log::info!("{} running", APP_NAME);
 
-	if mode == "daemon" {
+	if is_daemon {
 		let daemonize = Daemonize::new();
 		match daemonize.start() {
 			Ok(_) => log::info!("On Daemon"),
 			Err(e) => {
 				log::error!("Error, {}", e);
-				return;
+				std::process::exit(-1);
 			}
 		}
 	}
+
         // start up coredump monitor
         let _coredump_monitor_handle = thread::spawn(||{
                 coredump_monitor_loop();
diff --git a/sysboost.service b/sysboost.service
index e2d607ed0eefc88c2101e19fd12a30d29a14ee54..a6dcc74dda4b44bbd466bf76e709535757d21ab9 100644
--- a/sysboost.service
+++ b/sysboost.service
@@ -5,7 +5,7 @@ After=sysboost.service
 
 [Service]
 Type=forking
-ExecStart=/usr/bin/sysboostd -daemon
+ExecStart=/usr/bin/sysboostd --daemon
 Restart=always
 
 [Install]
diff --git a/tests/bash/Makefile b/tests/bash/Makefile
index ac1c8a0cea70fb8b62cca28d4c7c17fb50160cc5..f9c266d9db20b093540cea2ba991bb5a46581c6c 100644
--- a/tests/bash/Makefile
+++ b/tests/bash/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: MulanPSL-2.0
-ROOT_DIR=../../
-BUILD_DIR=$(ROOT_DIR)build
+ROOT_DIR=../..
+SYSBOOSTD=$(ROOT_DIR)/target/debug/sysboostd
+BUILD_DIR=$(ROOT_DIR)/build
 SYSBOOST=$(BUILD_DIR)/src/sysboost
 RELOCATION_DIR=/usr/lib/relocation
 
@@ -42,6 +43,7 @@ ifeq ($(MODE), --static-nold)
 bash:
 	clear
 	make -C $(ROOT_DIR)
+	$(SYSBOOSTD) --test-kmod
 	@echo ===rto===
 	$(SYSBOOST) $(MODE) $(BASH) $(LIBTINFO) $(LIBC)
 	readelf -W -a $(BASH).rto > bash.rto.elf