diff --git a/plugins/op_waf/tool_task.py b/plugins/op_waf/tool_task.py
new file mode 100644
index 000000000..8c6b6321c
--- /dev/null
+++ b/plugins/op_waf/tool_task.py
@@ -0,0 +1,158 @@
+# coding:utf-8
+
+import sys
+import io
+import os
+import time
+import json
+
+sys.path.append(os.getcwd() + "/class/core")
+import mw
+
+
+app_debug = False
+if mw.isAppleSystem():
+    app_debug = True
+
+
+def getPluginName():
+    return 'op_waf'
+
+
+def getPluginDir():
+    return mw.getPluginDir() + '/' + getPluginName()
+
+
+def getServerDir():
+    return mw.getServerDir() + '/' + getPluginName()
+
+
+def getTaskConf():
+    conf = getServerDir() + "/task_config.json"
+    return conf
+
+
+def getConfigData():
+    try:
+        return json.loads(mw.readFile(getTaskConf()))
+    except:
+        pass
+    return []
+
+
+def getConfigTpl():
+    tpl = {
+        "name": "",
+        "task_id": -1,
+    }
+    return tpl
+
+
+def createBgTask():
+    removeBgTask()
+    args = {
+        "period": "minute-n",
+        "minute-n": "3",
+    }
+    createBgTaskByName(getPluginName(), args)
+
+
+def createBgTaskByName(name, args):
+    cfg = getConfigTpl()
+    _name = "[勿删]OP防火墙后台任务[" + name + "]"
+    res = mw.M("crontab").field("id, name").where("name=?", (_name,)).find()
+    if res:
+        return True
+
+    if "task_id" in cfg.keys() and cfg["task_id"] > 0:
+        res = mw.M("crontab").field("id, name").where(
+            "id=?", (cfg["task_id"],)).find()
+        if res and res["id"] == cfg["task_id"]:
+            print("计划任务已经存在!")
+            return True
+    import crontab_api
+    api = crontab_api.crontab_api()
+
+    period = args['period']
+    _hour = ''
+    _minute = ''
+    _where1 = ''
+    _type_day = "day"
+    if period == 'day':
+        _type_day = 'day'
+        _hour = args['hour']
+        _minute = args['minute']
+    elif period == 'minute-n':
+        _type_day = 'minute-n'
+        _where1 = args['minute-n']
+        _minute = ''
+
+    cmd = '''
+rname=%s
+plugin_path=%s
+script_path=%s
+logs_file=$plugin_path/${rname}.log
+''' % (name, getServerDir(), getPluginDir())
+    cmd += 'echo "★【`date +"%Y-%m-%d %H:%M:%S"`】 STSRT★" >> $logs_file' + "\n"
+    cmd += 'echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" >> $logs_file' + "\n"
+    cmd += 'echo "python3 $script_path/tool_task.py run >> $logs_file 2>&1"' + "\n"
+    cmd += 'python3 $script_path/tool_task.py run >> $logs_file 2>&1' + "\n"
+    cmd += 'echo "【`date +"%Y-%m-%d %H:%M:%S"`】 END★" >> $logs_file' + "\n"
+    cmd += 'echo "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" >> $logs_file' + "\n"
+
+    params = {
+        'name': _name,
+        'type': _type_day,
+        'week': "",
+        'where1': _where1,
+        'hour': _hour,
+        'minute': _minute,
+        'save': "",
+        'backup_to': "",
+        'stype': "toShell",
+        'sname': '',
+        'sbody': cmd,
+        'urladdress': '',
+    }
+
+    task_id = api.add(params)
+    if task_id > 0:
+        cfg["task_id"] = task_id
+        cfg["name"] = name
+
+        _dd = getConfigData()
+        _dd.append(cfg)
+        mw.writeFile(getTaskConf(), json.dumps(_dd))
+
+
+def removeBgTask():
+    cfg_list = getConfigData()
+    for x in range(len(cfg_list)):
+        cfg = cfg_list[x]
+        if "task_id" in cfg.keys() and cfg["task_id"] > 0:
+            res = mw.M("crontab").field("id, name").where(
+                "id=?", (cfg["task_id"],)).find()
+            if res and res["id"] == cfg["task_id"]:
+                import crontab_api
+                api = crontab_api.crontab_api()
+                data = api.delete(cfg["task_id"])
+                if data[0]:
+                    cfg["task_id"] = -1
+                    cfg_list[x] = cfg
+                    mw.writeFile(getTaskConf(), '[]')
+                    return True
+    return False
+
+
+def run():
+    print('op lua run ok')
+
+if __name__ == "__main__":
+    if len(sys.argv) > 1:
+        action = sys.argv[1]
+        if action == "remove":
+            removeBgTask()
+        elif action == "add":
+            createBgTask()
+        elif action == "run":
+            run()