diff --git a/oneforall/common/database.py b/oneforall/common/database.py
index a2ca170..fbdfe97 100644
--- a/oneforall/common/database.py
+++ b/oneforall/common/database.py
@@ -56,22 +56,24 @@ class Database(object):
             return
         logger.log('TRACE', f'正在创建{table_name}表')
         self.query(f'create table "{table_name}" ('
+                   f'type text,'
+                   f'valid int,'
+                   f'new int,'
                    f'id integer primary key,'
                    f'url text,'
                    f'subdomain text,'
                    f'port int,'
+                   f'level int,'
                    f'ips text,'
                    f'status int,'
                    f'reason text,'
-                   f'valid int,'
-                   f'new int,'
                    f'title text,'
                    f'banner text,'
                    f'header text,'
                    f'response text,'
                    f'module text,'
                    f'source text,'
-                   f'elapsed float,'
+                   f'elapse float,'
                    f'count int)')
 
     def save_db(self, table_name, results, module_name=None):
@@ -89,12 +91,12 @@ class Database(object):
             try:
                 self.conn.bulk_query(
                     f'insert into "{table_name}" ('
-                    f'id, url, subdomain, port, ips, status, reason, valid,'
-                    f'new, title, banner, header, response, module, source, '
-                    f'elapsed, count)'
-                    f'values (:id, :url, :subdomain, :port, :ips, :status,'
-                    f':reason, :valid, :new, :title, :banner, :header,'
-                    f':response, :module, :source,:elapsed, :count)',
+                    f'id, type, valid, new, url, subdomain, port, level, ips,'
+                    f'status, reason, title, banner, header, response, module,'
+                    f'source, elapse, count)'
+                    f'values (:id, :type, :valid, :new, :url, :subdomain,'
+                    f':port, :level, :ips, :status, :reason, :title, :banner,'
+                    f':header, :response, :module, :source,:elapse, :count)',
                     results)
             except Exception as e:
                 logger.log('ERROR', e.args)
@@ -215,8 +217,8 @@ class Database(object):
         :param any valid: 有效性
         """
         table_name = table_name.replace('.', '_')
-        query = f'select id, url, subdomain, port, ips, status, reason,' \
-                f'valid, new, title, banner from "{table_name}"'
+        query = f'select id, type, valid, new, url, subdomain, port, level, ips,' \
+                f' status, reason, title, banner from "{table_name}"'
         if valid:
             where = f' where valid = 1'
             query += where
diff --git a/oneforall/common/module.py b/oneforall/common/module.py
index 175aea1..ce5538b 100644
--- a/oneforall/common/module.py
+++ b/oneforall/common/module.py
@@ -28,13 +28,14 @@ class Module(object):
         self.delay = config.request_delay  # 请求睡眠时延
         self.timeout = config.request_timeout  # 请求超时时间
         self.verify = config.request_verify  # 请求SSL验证
-        self.domain = ''  # 要进行子域名收集的域名
+        self.domain = str()  # 当前进行子域名收集的主域
+        self.type = 'A'  # 对主域进行子域收集时利用的DNS记录查询类型(默认利用A记录)
         self.subdomains = set()  # 存放发现的子域
         self.records = dict()  # 存放子域解析记录
         self.results = list()  # 存放模块结果
         self.start = time.time()  # 模块开始执行时间
         self.end = None  # 模块结束执行时间
-        self.elapsed = None  # 模块执行耗时
+        self.elapse = None  # 模块执行耗时
 
     def check(self, *apis):
         """
@@ -59,9 +60,9 @@ class Module(object):
         输出模块结束信息
         """
         self.end = time.time()
-        self.elapsed = round(self.end - self.start, 1)
+        self.elapse = round(self.end - self.start, 1)
         logger.log('DEBUG', f'结束执行{self.source}模块收集{self.domain}的子域')
-        logger.log('INFOR', f'{self.source}模块耗时{self.elapsed}秒发现子域'
+        logger.log('INFOR', f'{self.source}模块耗时{self.elapse}秒发现子域'
                             f'{len(self.subdomains)}个')
         logger.log('DEBUG', f'{self.source}模块发现{self.domain}的子域\n'
                             f'{self.subdomains}')
@@ -234,7 +235,7 @@ class Module(object):
             result = {'domain': self.domain,
                       'name': self.module,
                       'source': self.source,
-                      'elapsed': self.elapsed,
+                      'elapse': self.elapse,
                       'count': len(self.subdomains),
                       'subdomains': list(self.subdomains),
                       'records': self.records}
@@ -247,43 +248,48 @@ class Module(object):
         """
         if not len(self.subdomains):  # 该模块一个子域都没有发现的情况
             result = {'id': None,
+                      'type': self.type,
+                      'valid': None,
+                      'new': None,
                       'url': None,
                       'subdomain': None,
                       'port': None,
+                      'level': None,
                       'ips': None,
                       'status': None,
                       'reason': None,
-                      'valid': None,
-                      'new': None,
                       'title': None,
                       'banner': None,
                       'header': None,
                       'response': None,
                       'module': self.module,
                       'source': self.source,
-                      'elapsed': self.elapsed,
+                      'elapse': self.elapse,
                       'count': 0}
             self.results.append(result)
         else:
             for subdomain in self.subdomains:
                 url = 'http://' + subdomain
+                level = subdomain.count('.') - self.domain.count('.')
                 ips = self.records.get(subdomain)
                 result = {'id': None,
+                          'type': self.type,
+                          'valid': None,
+                          'new': None,
                           'url': url,
                           'subdomain': subdomain,
                           'port': None,
+                          'level': level,
                           'ips': ips,
                           'status': None,
                           'reason': None,
-                          'valid': None,
-                          'new': None,
                           'title': None,
                           'banner': None,
                           'module': self.module,
                           'header': None,
                           'response': None,
                           'source': self.source,
-                          'elapsed': self.elapsed,
+                          'elapse': self.elapse,
                           'count': len(self.subdomains)}
                 self.results.append(result)
 
diff --git a/oneforall/common/utils.py b/oneforall/common/utils.py
index d018286..d919c99 100644
--- a/oneforall/common/utils.py
+++ b/oneforall/common/utils.py
@@ -1,4 +1,3 @@
-# coding=utf-8
 import re
 import sys
 import time
@@ -305,7 +304,7 @@ def export_all(format, path, datas):
         row.pop('response')
         row.pop('module')
         row.pop('source')
-        row.pop('elapsed')
+        row.pop('elapse')
         row.pop('count')
         keys = row.keys()
         values = row.values()