diff --git a/bin/daemon.rs b/bin/daemon.rs
index 29f829fa3280ec57aba649d4f258024a5bd762c1..70eceb01d43af5ff44dbc9b5495eca3a719f57d4 100644
--- a/bin/daemon.rs
+++ b/bin/daemon.rs
@@ -67,11 +67,11 @@ fn is_symlink(path: &PathBuf) -> bool {
 	return file_type.is_symlink();
 }
 
-fn db_add_link(path: &String) -> i32 {
+fn db_add_link(conf: &RtoConfig) -> i32 {
 	// symlink app.link to app, different modes correspond to different directories
-	let file_name = Path::new(path).file_name().unwrap().to_str().unwrap();
+	let file_name = Path::new(&conf.elf_path).file_name().unwrap().to_str().unwrap();
 	let link_path = format!("{}{}.link", SYSBOOST_DB_PATH, file_name);
-	let ret_e = UnixFs::symlink(&path, &link_path);
+	let ret_e = UnixFs::symlink(&conf.elf_path, &link_path);
 	match ret_e {
 		Ok(_) => {}
 		Err(_) => {
@@ -385,7 +385,7 @@ fn sysboost_core_process(conf: &RtoConfig) -> i32 {
 		}
 	}
 
-	let ret = db_add_link(&conf.elf_path);
+	let ret = db_add_link(&conf);
 	if ret != 0 {
 		log::error!("Error: db add link fault.");
 		return ret;
@@ -399,9 +399,6 @@ fn sysboost_core_process(conf: &RtoConfig) -> i32 {
 	return ret;
 }
 
-// TODO: exit() abnormal
-// TODO: exit() normal
-
 fn process_config(path: PathBuf) -> Option<RtoConfig> {
 	let conf_e = read_config(&path);
 	let mut conf = match conf_e {
@@ -588,7 +585,7 @@ fn insmod_ko(path: &String) {
 pub fn daemon_loop() {
 	insmod_ko(&KO_PATH.to_string());
 
-	// TODO: clean env
+	// When rebooting, you should clean up the backup environment
 	loop {
 		start_service();
 	}
diff --git a/sysboost.service b/sysboost.service
index 7cb1d7a43b49da5dbbb94ee943039eac634cfbfb..e2d607ed0eefc88c2101e19fd12a30d29a14ee54 100644
--- a/sysboost.service
+++ b/sysboost.service
@@ -6,6 +6,7 @@ After=sysboost.service
 [Service]
 Type=forking
 ExecStart=/usr/bin/sysboostd -daemon
+Restart=always
 
 [Install]
 WantedBy=multi-user.target
diff --git a/tests/test_sysboostd.rs b/tests/test_sysboostd.rs
index edd8a979addf934edfdc938ca082b7f9d477e1c3..ae198239c130b9b2a50bacd215509c23cc7d0021 100644
--- a/tests/test_sysboostd.rs
+++ b/tests/test_sysboostd.rs
@@ -18,11 +18,10 @@ mod tests {
 	use std::io::Read;
 	use std::io::Write;
 	use std::process::Command;
-	use std::path::Path;
 	use std::io::{BufRead, BufReader};
-	use std::fs::OpenOptions;
 	use std::{thread, time};
-
+	use std::thread::sleep;
+	use std::time::Duration;
 
 	// Normal Scenarios
 	// 1. try to start sysboostd, if sysboostd
@@ -160,7 +159,7 @@ mod tests {
 
 		for line in lines{
 			if let Ok(data) = line {
-				if (data.contains(message)) {
+				if data.contains(message) {
 					return true;
 				}
 			}
@@ -180,7 +179,6 @@ mod tests {
 	#[test]
 	fn test_print_log_messages() {
 		// clear /var/log/message
-		let file_path = "/var/log/messages";
 		clear_log_message();
 		// stop sysboost
 		let output = Command::new("systemctl").args(&["is-active", "sysboost.service"]).output().expect("Failed to execute command");
@@ -216,11 +214,41 @@ mod tests {
 		thread::sleep(sleep_millis);
 		let has_message =  is_contain_log_message("Started Run sysboost for Kunpeng CPU");
 		assert!(has_message, "log info is not print in message!");
-                let has_Daemon_message =  is_contain_log_message("On Daemon");
-                assert!(has_Daemon_message, "log info is not print in message!");
+                let has_daemon_message =  is_contain_log_message("On Daemon");
+                assert!(has_daemon_message, "log info is not print in message!");
 	}
 
 	// Unnormal Scenarios
 	// 1、When sysboostd break
+	#[test]
+	fn test_restore_sysboostd_env() {
+		// Create libtinfo.toml file in /etc/sysboost.d directory
+		let toml_path = "/etc/sysboost.d/libtinfo.toml";
+		let toml_content = "elf_path = '/usr/lib64/libtinfo.so' mode = 'bolt'";
+		fs::write(toml_path, toml_content).unwrap();
+
+		// Sleep for 3 seconds
+		sleep(Duration::from_secs(3));
+
+		// Delete libtinfo.toml file
+		fs::remove_file(toml_path).unwrap();
+
+		// Restart sysboostd service using systemctl
+		let output = Command::new("systemctl")
+			.arg("restart")
+			.arg("sysboostd")
+			.output()
+			.unwrap();
+		assert!(output.status.success());
+
+		// Check if /var/lib/sysboost directory exists and has files
+		let sysboost_dir = "/var/lib/sysboost";
+		assert!(fs::metadata(sysboost_dir).unwrap().is_dir());
+		assert!(fs::read_dir(sysboost_dir).unwrap().next().is_some());
+
+		// Check if /usr/lib64/libtinfo.so.bak file exists
+		let bak_path = "/usr/lib64/libtinfo.so.bak";
+		assert!(fs::metadata(bak_path).unwrap().is_file());
+	}
 }