diff --git a/py12306/cluster/cluster.py b/py12306/cluster/cluster.py
index eddc5d1..6d68d91 100644
--- a/py12306/cluster/cluster.py
+++ b/py12306/cluster/cluster.py
@@ -23,6 +23,7 @@ class Cluster():
     KEY_CHANNEL_LOG = KEY_PREFIX + 'channel_log'
     KEY_CHANNEL_EVENT = KEY_PREFIX + 'channel_even'
     KEY_USER_COOKIES = KEY_PREFIX + 'user_cookies'
+    KEY_USER_INFOS = KEY_PREFIX + 'user_infos'
     KEY_USER_LAST_HEARTBEAT = KEY_PREFIX + 'user_last_heartbeat'
     KEY_NODES_ALIVE = KEY_PREFIX + 'nodes_alive'
 
@@ -253,3 +254,14 @@ class Cluster():
     def set_user_cookie(cls, key, value):
         self = cls()
         return self.session.hset(Cluster.KEY_USER_COOKIES, key, pickle.dumps(value, 0).decode())
+
+    @classmethod
+    def set_user_info(cls, key, info):
+        self = cls()
+        return self.session.hset(Cluster.KEY_USER_INFOS, key, pickle.dumps(info, 0).decode())
+
+    @classmethod
+    def get_user_info(cls, key, default=None):
+        self = cls()
+        res = self.session.hget(Cluster.KEY_USER_INFOS, key)
+        return pickle.loads(res.encode()) if res else default
diff --git a/py12306/helpers/OCR.py b/py12306/helpers/OCR.py
index 3f8f732..1663b73 100644
--- a/py12306/helpers/OCR.py
+++ b/py12306/helpers/OCR.py
@@ -73,7 +73,7 @@ class OCR:
                 position = check_result.get('res')
                 return position.replace('(', '').replace(')', '').split(',')
 
-        CommonLog.print_auto_code_fail(result.get("Error", '-'))
+        CommonLog.print_auto_code_fail(CommonLog.MESSAGE_GET_RESPONSE_FROM_FREE_AUTO_CODE)
         return None
 
 
diff --git a/py12306/helpers/api.py b/py12306/helpers/api.py
index 4bb3739..7b624ab 100644
--- a/py12306/helpers/api.py
+++ b/py12306/helpers/api.py
@@ -46,4 +46,3 @@ API_NOTIFICATION_BY_VOICE_CODE = 'http://ali-voice.showapi.com/sendVoice?'
 
 API_FREE_CODE_QCR_API = 'http://60.205.200.159/api'
 API_FREE_CODE_QCR_API_CHECK = 'http://check.huochepiao.360.cn/img_vcode'
-
diff --git a/py12306/helpers/request.py b/py12306/helpers/request.py
index fb40147..ca9e61c 100644
--- a/py12306/helpers/request.py
+++ b/py12306/helpers/request.py
@@ -1,3 +1,5 @@
+from requests.exceptions import *
+
 from py12306.helpers.func import *
 from requests_html import HTMLSession, HTMLResponse
 
@@ -43,3 +45,15 @@ class Request(HTMLSession):
             return Dict(result)
         except:
             return Dict(default)
+
+    def request(self, *args, **kwargs):  # 拦截所有错误
+        try:
+            return super().request(*args, **kwargs)
+        except RequestException as e:
+            if e.response:
+                response = e.response
+            else:
+                response = HTMLResponse(HTMLSession)
+                response.status_code = 500
+                expand_class(response, 'json', Request.json)
+            return response
diff --git a/py12306/log/common_log.py b/py12306/log/common_log.py
index 9fa2bc4..4dbeb95 100644
--- a/py12306/log/common_log.py
+++ b/py12306/log/common_log.py
@@ -32,6 +32,8 @@ class CommonLog(BaseLog):
 
     MESSAGE_OUTPUT_TO_FILE_IS_UN_ENABLE = '请先打开配置：输出到文件'
 
+    MESSAGE_GET_RESPONSE_FROM_FREE_AUTO_CODE = '从免费打码获取结果失败'
+
     def __init__(self):
         super().__init__()
         self.init_data()
diff --git a/py12306/log/query_log.py b/py12306/log/query_log.py
index 6a3d7c3..ef13141 100644
--- a/py12306/log/query_log.py
+++ b/py12306/log/query_log.py
@@ -152,10 +152,10 @@ class QueryLog(BaseLog):
     @classmethod
     def print_job_start(cls, job_name):
         self = cls()
-        self.add_log(
-            '=== 正在进行第 {query_count} 次查询 {job_name} === {time}'.format(
-                query_count=int(self.data.get('query_count', 0)) + 1,
-                job_name=job_name, time=datetime.datetime.now()))
+        message = '=== 正在进行第 {query_count} 次查询 {job_name} === {time}'.format(
+            query_count=int(self.data.get('query_count', 0)) + 1,
+            job_name=job_name, time=datetime.datetime.now())
+        self.add_log(message)
         self.refresh_data()
         if is_main_thread():
             self.flush(publish=False)
diff --git a/py12306/user/job.py b/py12306/user/job.py
index a293d12..daa3cf8 100644
--- a/py12306/user/job.py
+++ b/py12306/user/job.py
@@ -69,7 +69,7 @@ class UserJob:
             app_available_check()
             if Config().is_slave():
                 self.load_user_from_remote()
-                pass  # 虽然同一个 cookie，同时请求之后会导致失效，暂时不在子节点中加载用户
+                pass
             else:
                 if Config().is_master() and not self.cookie: self.load_user_from_remote()  # 主节点加载一次 Cookie
                 self.check_heartbeat()
@@ -203,8 +203,9 @@ class UserJob:
         return self.info.get('user_name', '')
 
     def save_user(self):
-        if Config().is_cluster_enabled():
-            return self.cluster.set_user_cookie(self.key, self.session.cookies)
+        if Config().is_master():
+            self.cluster.set_user_cookie(self.key, self.session.cookies)
+            self.cluster.set_user_info(self.key, self.info)
         with open(self.get_cookie_path(), 'wb') as f:
             pickle.dump(self.session.cookies, f)
 
@@ -257,16 +258,21 @@ class UserJob:
 
     def load_user_from_remote(self):
         cookie = self.cluster.get_user_cookie(self.key)
-        if not cookie and Config().is_slave():
+        info = self.cluster.get_user_info(self.key)
+        if Config().is_slave() and (not cookie or not info):
             while True:  # 子节点只能取
                 UserLog.add_quick_log(UserLog.MESSAGE_USER_COOKIE_NOT_FOUND_FROM_REMOTE.format(self.user_name)).flush()
                 stay_second(self.retry_time)
                 return self.load_user_from_remote()
+        if info: self.info = info
         if cookie:
             self.session.cookies.update(cookie)
             if not self.cookie:  # 第一次加载
                 self.cookie = True
-                self.did_loaded_user()
+                if not Config().is_slave():
+                    self.did_loaded_user()
+                else:
+                    UserLog.print_welcome_user(self)
             return True
         return False