diff --git a/back/config/util.ts b/back/config/util.ts
index 5c586983..aabd0975 100644
--- a/back/config/util.ts
+++ b/back/config/util.ts
@@ -423,11 +423,11 @@ export function psTree(pid: number): Promise<number[]> {
 
 export async function killTask(pid: number) {
   const pids = await psTree(pid);
-  // SIGINT 2 程序终止(interrupt)信号，不会打印额外信息
+
   if (pids.length) {
     try {
-      [pid, ...pids].forEach((x) => {
-        process.kill(x, 2);
+      [pid, ...pids].reverse().forEach((x) => {
+        process.kill(x, 15);
       });
     } catch (error) { }
   } else {
diff --git a/shell/otask.sh b/shell/otask.sh
index e573c504..5391428b 100755
--- a/shell/otask.sh
+++ b/shell/otask.sh
@@ -241,6 +241,8 @@ main() {
   fi
 }
 
-handle_task_before "$@"
+handle_task_start "$@"
+run_task_before "$@"
 main "$@"
-handle_task_after "$@"
+run_task_after "$@"
+handle_task_end "$@"
diff --git a/shell/share.sh b/shell/share.sh
index 96c4cafd..17a3f4ab 100755
--- a/shell/share.sh
+++ b/shell/share.sh
@@ -416,7 +416,7 @@ init_nginx() {
     location_url="^~${ql_base_url%*/}"
     aliasStr="alias ${dir_static}/dist;"
     if ! grep -q "<base href=\"$ql_base_url\">" "${dir_static}/dist/index.html"; then
-      awk -v text="<base href=\"$ql_base_url\">" '/<link/ && !inserted {print text; inserted=1} 1' "${dir_static}/dist/index.html" > temp.html
+      awk -v text="<base href=\"$ql_base_url\">" '/<link/ && !inserted {print text; inserted=1} 1' "${dir_static}/dist/index.html" >temp.html
       mv temp.html "${dir_static}/dist/index.html"
     fi
   else
@@ -438,11 +438,12 @@ init_nginx() {
   sed -i "s,IPV4_CONFIG,${ipv4Str},g" /etc/nginx/conf.d/front.conf
 }
 
-handle_task_before() {
+handle_task_start() {
   [[ $ID ]] && update_cron "\"$ID\"" "0" "$$" "$log_path" "$begin_timestamp"
-
   echo -e "## 开始执行... $begin_time\n"
+}
 
+run_task_before() {
   [[ $is_macos -eq 0 ]] && check_server
 
   . $file_task_before "$@"
@@ -454,7 +455,7 @@ handle_task_before() {
   fi
 }
 
-handle_task_after() {
+run_task_after() {
   . $file_task_after "$@"
 
   if [[ $task_after ]]; then
@@ -462,7 +463,9 @@ handle_task_after() {
     eval "$task_after"
     echo -e "\n执行后置命令结束"
   fi
+}
 
+handle_task_end() {
   local etime=$(date "+$time_format")
   local end_time=$(format_time "$time_format" "$etime")
   local end_timestamp=$(format_timestamp "$time_format" "$etime")
@@ -471,7 +474,6 @@ handle_task_after() {
   [[ "$diff_time" == 0 ]] && diff_time=1
 
   echo -e "\n## 执行结束... $end_time  耗时 $diff_time 秒　　　　　"
-
   [[ $ID ]] && update_cron "\"$ID\"" "1" "" "$log_path" "$begin_timestamp" "$diff_time"
 }
 
diff --git a/shell/task.sh b/shell/task.sh
index 570a5332..5fb61b7c 100755
--- a/shell/task.sh
+++ b/shell/task.sh
@@ -7,7 +7,7 @@ dir_shell=$QL_DIR/shell
 
 trap "single_hanle" 2 3 20 15 14 19 1
 single_hanle() {
-  eval handle_task_after "$@" "$cmd"
+  eval handle_task_end "$@" "$cmd"
   exit 1
 }
 
diff --git a/src/pages/crontab/modal.tsx b/src/pages/crontab/modal.tsx
index a950dc43..3bf17016 100644
--- a/src/pages/crontab/modal.tsx
+++ b/src/pages/crontab/modal.tsx
@@ -156,7 +156,10 @@ const CronModal = ({
           rules={[
             {
               validator(rule, value) {
-                if (value.includes(' task ') || value.startsWith('task ')) {
+                if (
+                  value &&
+                  (value.includes(' task ') || value.startsWith('task '))
+                ) {
                   return Promise.reject(intl.get('不能包含 task 命令'));
                 }
                 return Promise.resolve();
@@ -181,7 +184,10 @@ const CronModal = ({
           rules={[
             {
               validator(rule, value) {
-                if (value.includes(' task ') || value.startsWith('task ')) {
+                if (
+                  value &&
+                  (value.includes(' task ') || value.startsWith('task '))
+                ) {
                   return Promise.reject(intl.get('不能包含 task 命令'));
                 }
                 return Promise.resolve();