diff --git a/src/sysboostd/daemon.rs b/src/sysboostd/daemon.rs
index 966431b8d532877d0d95589327339b1bde609164..6664fa80de222e5addf9e8606a20b35c8b3f35f1 100644
--- a/src/sysboostd/daemon.rs
+++ b/src/sysboostd/daemon.rs
@@ -116,7 +116,7 @@ fn clean_last_rto() {
 		let real_path = match fs::canonicalize(&p) {
 			Ok(p) => p,
 			Err(e) => {
-				log::error!("get realpath failed: {}", e);
+				log::warn!("get realpath failed: {}", e);
 				continue;
 			}
 		};
diff --git a/src/sysboostd/interface.rs b/src/sysboostd/interface.rs
index 23392ca8494a6316d9353b220fbfef494f4776cc..d3ef53ccff9699bf0e4e946ad8402c32111a16c3 100644
--- a/src/sysboostd/interface.rs
+++ b/src/sysboostd/interface.rs
@@ -38,7 +38,7 @@ pub fn write_back_config(name: &str) -> i32 {
 pub fn delete_one_record(name: &str) -> i32 {
     let exist = Path::new(&OPTIMIZED_ELF_LOG).exists();
     if !exist {
-            return -1;
+            return 0;
     }
     let file_name = Path::new(&OPTIMIZED_ELF_LOG);
     let rfile = match OpenOptions::new().read(true).open(file_name) {