Pyspider uses the on_message method and does not return result

use the send_message and on_message methods to handle situations where multiple task results are returned from a single page, and prepare to override the on_result method for further processing. However, the msg returned by the on_message method is not passed to on_result, that is, result is None.

I don"t know what to do with it. Thank you.

@config(age=10 * 24 * 60 * 60)
def index_page(self, response):
    response.encoding = "GBK"
    print(response.doc("title").text())
    for i, each in enumerate(response.doc(".newstable tr").items()):
        msg = dict()
        msg["title"] = each("td:nth-child(1) a").attr("title").strip()
        msg["date"] = each("td:nth-child(2)").text().strip()
        msg["link"] = each("td:nth-child(1) a").attr("href")
        self.send_message(self.project_name, msg,
                          url="{}.false".format(msg["link"]))

def on_message(self, project, msg):
    return msg

def on_result(self, result):
    print(result)
Mar.17,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b330c1-2b5dd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b330c1-2b5dd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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