diff --git a/class/core/cert_api.py b/class/core/cert_api.py
index 32323f845..b89bb6aa7 100644
--- a/class/core/cert_api.py
+++ b/class/core/cert_api.py
@@ -1392,7 +1392,7 @@ fullchain.pem       粘贴到证书输入框
                 order_index.append(index)
             else:
                 # 测试一天过期
-                start_time = time.time() - 89 * 86400
+                now_time = time.time()
                 # print(self.__config)
                 if not 'orders' in self.__config:
                     self.__config['orders'] = {}
@@ -1408,8 +1408,8 @@ fullchain.pem       粘贴到证书输入框
                     if not 'cert_timeout' in self.__config['orders'][i]:
                         self.__config['orders'][i]['cert_timeout'] = int(time.time())
 
-                    # print(self.__config['orders'][i]['domains'][0], self.__config['orders'][i]['cert_timeout'], start_time)
-                    if self.__config['orders'][i]['cert_timeout'] > start_time:
+                    # print(self.__config['orders'][i]['domains'][0], self.__config['orders'][i]['cert_timeout'], now_time)
+                    if self.__config['orders'][i]['cert_timeout'] - now_time > 1*86400:
                         msg = "|-本次跳过域名: {}，未过期!".format(self.__config['orders'][i]['domains'][0])
                         writeLog(msg)
                         continue