diff --git a/plugins/task_manager/task_manager_index.py b/plugins/task_manager/task_manager_index.py
index 61f96402e..5937c0d41 100755
--- a/plugins/task_manager/task_manager_index.py
+++ b/plugins/task_manager/task_manager_index.py
@@ -1426,8 +1426,10 @@ class mainClass(object):
     # 外部接口，获取计划任务列表
     def get_cron_list(self, get = {}):
         filename = self.get_cron_file()
-        tmpList = mw.readFile(filename).split("\n")
         cronList = []
+        if not os.path.exists(filename):
+            return cronList
+        tmpList = mw.readFile(filename).split("\n")
         for c in tmpList:
             c = c.strip()
             if c.startswith('#'): continue
@@ -1457,6 +1459,31 @@ class mainClass(object):
         except:
             return data
 
+     # 重启cron服务
+    def crondReload(self):
+        if os.path.exists('/etc/init.d/crond'):
+            public.ExecShell('/etc/init.d/crond reload')
+        elif os.path.exists('/etc/init.d/cron'):
+            public.ExecShell('service cron restart')
+        else:
+            public.ExecShell("systemctl reload crond")
+
+    # 外部接口，删除计划任务
+    def remove_cron(self, get):
+        index = int(get.index)
+        cronList = self.get_cron_list({})
+        if index > len(cronList) + 1: return mw.returnData(False, '指定任务不存在!')
+        toCron = []
+        for i in range(len(cronList)):
+            if i == index: continue
+            toCron.append(cronList[i]['command'])
+        cronStr = "\n".join(toCron) + "\n\n"
+        filename = self.get_cron_file()
+        mw.writeFile(filename, cronStr)
+        mw.execShell("chmod 600 " + filename)
+        self.crondReload()
+        return mw.returnData(True, '删除成功!')
+
     # 外部接口 强制结束会话
     def pkill_session(self, get= {}):
         if not 'pts' in get:
@@ -1531,6 +1558,9 @@ def get_run_list(args = {}):
 def get_cron_list(args = {}):
     return mc_instance.get_cron_list(args)
 
+def remove_cron(args = {}):
+    return mc_instance.remove_cron(args)
+
 def pkill_session(args = {}):
     return mc_instance.pkill_session(args)