diff --git a/src/detections/detection.rs b/src/detections/detection.rs
index 99488df5..7827644b 100644
--- a/src/detections/detection.rs
+++ b/src/detections/detection.rs
@@ -20,7 +20,7 @@ use hashbrown;
 use hashbrown::HashMap;
 use serde_json::Value;
 use std::fmt::Write;
-use std::path::PathBuf;
+use std::path::Path;
 use std::sync::Arc;
 use tokio::{runtime::Runtime, spawn, task::JoinHandle};
 
diff --git a/src/detections/utils.rs b/src/detections/utils.rs
index e14f8496..7f20781b 100644
--- a/src/detections/utils.rs
+++ b/src/detections/utils.rs
@@ -185,8 +185,9 @@ pub fn get_event_value<'a>(key: &str, event_value: &'a Value) -> Option<&'a Valu
 }
 
 pub fn get_thread_num() -> usize {
+    let cpu_num = num_cpus::get();
     let conf = configs::CONFIG.read().unwrap();
-    conf.args.thread_number.unwrap_or_else(num_cpus::get())
+    conf.args.thread_number.unwrap_or(cpu_num)
 }
 
 pub fn create_tokio_runtime() -> Runtime {