diff --git a/plugins/sphinx/tool_cron.py b/plugins/sphinx/tool_cron.py
index c3d128945..cba869c64 100644
--- a/plugins/sphinx/tool_cron.py
+++ b/plugins/sphinx/tool_cron.py
@@ -31,6 +31,10 @@ def getTaskConf():
     conf = getServerDir() + "/cron_config.json"
     return conf
 
+def getTaskDeltaConf():
+    conf = getServerDir() + "/cron_delta_config.json"
+    return conf
+
 
 def getConfigData():
     try:
@@ -45,10 +49,24 @@ def getConfigData():
         "minute": "15",
     }
 
+def getConfigDeltaData():
+    try:
+        return json.loads(mw.readFile(getTaskDeltaConf()))
+    except:
+        pass
+    return {
+        "task_id": -1,
+        "period": "minute-n",
+        "where1": "3",
+        "hour": "0",
+        "minute": "0",
+    }
+
 
 def createBgTask():
-    removeBgTask()
+    # removeBgTask()
     createBgTaskByName(getPluginName())
+    createBgTaskDeltaByName(getPluginName())
 
 
 def createBgTaskByName(name):
@@ -103,6 +121,58 @@ logs_file=$plugin_path/${rname}.log
         args["name"] = name
         mw.writeFile(getTaskConf(), json.dumps(args))
 
+def createBgTaskDeltaByName(name):
+    args = getConfigData()
+    _name = "[勿删]Sphinx增量更新[" + name + "]"
+    res = mw.M("crontab").field("id, name").where("name=?", (_name,)).find()
+    if res:
+        return True
+
+    if "task_id" in args and args["task_id"] > 0:
+        res = mw.M("crontab").field("id, name").where(
+            "id=?", (args["task_id"],)).find()
+        if res and res["id"] == args["task_id"]:
+            print("计划任务已经存在!")
+            return True
+    import crontab_api
+    api = crontab_api.crontab_api()
+
+    mw_dir = mw.getRunDir()
+    cmd = '''
+mw_dir=%s
+rname=%s
+plugin_path=%s
+script_path=%s
+logs_file=$plugin_path/${rname}.log
+''' % (mw_dir, 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/index.py update_delta"' + "\n"
+    cmd += 'cd $mw_dir && python3 $script_path/index.py update_delta' + "\n"
+    cmd += 'echo "【`date +"%Y-%m-%d %H:%M:%S"`】 END★" >> $logs_file' + "\n"
+    cmd += 'echo "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" >> $logs_file' + "\n"
+
+    params = {
+        'name': _name,
+        'type': args['period'],
+        'week': "",
+        'where1': args['where1'],
+        'hour': args['hour'],
+        'minute': args['minute'],
+        'save': "",
+        'backup_to': "",
+        'stype': "toShell",
+        'sname': '',
+        'sbody': cmd,
+        'urladdress': '',
+    }
+
+    task_id = api.add(params)
+    if task_id > 0:
+        args["task_id"] = task_id
+        args["name"] = name
+        mw.writeFile(getTaskConf(), json.dumps(args))
+
 
 def removeBgTask():
     cfg = getConfigData()
@@ -119,11 +189,27 @@ def removeBgTask():
                 return True
     return False
 
+def removeDeltaBgTask():
+    cfg = getConfigDeltaData()
+    if "task_id" in cfg 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
+                mw.writeFile(getTaskDeltaConf(), json.dumps(cfg))
+                return True
+    return False
+
 
 if __name__ == "__main__":
     if len(sys.argv) > 1:
         action = sys.argv[1]
         if action == "remove":
             removeBgTask()
+            removeDeltaBgTask()
         elif action == "add":
             createBgTask()