diff --git a/back/config/util.ts b/back/config/util.ts
index a0ed8161..d943bdbe 100644
--- a/back/config/util.ts
+++ b/back/config/util.ts
@@ -469,11 +469,15 @@ export function psTree(pid: number): Promise<number[]> {
 
 export async function killTask(pid: number) {
   const pids = await psTree(pid);
-  // SIGALRM 14 时钟信号
+  // SIGINT 2 程序终止(interrupt)信号，不会打印额外信息
   if (pids.length) {
-    process.kill(pids[0], 14);
+    try {
+      [pid, ...pids].forEach((x) => {
+        process.kill(x, 2);
+      });
+    } catch (error) {}
   } else {
-    process.kill(pid, 14);
+    process.kill(pid, 2);
   }
 }
 
diff --git a/shell/task.sh b/shell/task.sh
index a2703f70..de4e7f4d 100755
--- a/shell/task.sh
+++ b/shell/task.sh
@@ -74,7 +74,7 @@ format_params() {
   fi
   timeoutCmd=""
   if type timeout &>/dev/null; then
-    timeoutCmd="timeout --foreground -s 14 -k 10s $command_timeout_time "
+    timeoutCmd="timeout --foreground -s 2 -k 10s $command_timeout_time "
   fi
   # params=$(echo "$@" | sed -E 's/([^ ])&([^ ])/\1\\\&\2/g')
 }