diff --git a/code/default/launcher/web_control.py b/code/default/launcher/web_control.py
index 9ef71d96ff..927a907b3c 100644
--- a/code/default/launcher/web_control.py
+++ b/code/default/launcher/web_control.py
@@ -1057,11 +1057,11 @@ def stop():
     xlog.info("launcher web control exited.")
 
 
-def http_request(url, method="GET"):
+def http_request(url, method="GET", timeout=30):
     proxy_handler = ProxyHandler({})
     opener = build_opener(proxy_handler)
     try:
-        req = opener.open(url, timeout=30)
+        req = opener.open(url, timeout=timeout)
         return req
     except Exception as e:
         # xlog.exception("web_control http_request:%s fail:%s", url, e)
@@ -1076,7 +1076,7 @@ def confirm_xxnet_not_running():
     xlog.debug("start confirm_xxnet_exit url:%s", req_url)
 
     for i in range(30):
-        if http_request(req_url) == False:
+        if http_request(req_url, timeout=5) == False:
             xlog.debug("good, xxnet:%s clear!" % host_port)
             is_xxnet_exit = True
             break
diff --git a/code/default/lib/noarch/front_base/boringssl_wrap.py b/code/default/lib/noarch/front_base/boringssl_wrap.py
index bfd05e9b73..841729ba7e 100644
--- a/code/default/lib/noarch/front_base/boringssl_wrap.py
+++ b/code/default/lib/noarch/front_base/boringssl_wrap.py
@@ -236,7 +236,7 @@ def read(self, bufsiz, flags=0):
     def write(self, buf, flags=0):
         return self.send(buf, flags)
 
-    def close(self):
+    def close(self, reason=""):
         with self._lock:
             self.running = False
             if not self.socket_closed:
@@ -279,7 +279,7 @@ def close(self):
                 self.socket_closed = True
 
                 if self._on_close:
-                    self._on_close(self.ip_str, self.sni)
+                    self._on_close(self.ip_str, self.sni, reason=reason)
                     self._on_close = None
 
     def __del__(self):
diff --git a/code/default/lib/noarch/front_base/http1.py b/code/default/lib/noarch/front_base/http1.py
index 412abc0c17..0a56b390e1 100644
--- a/code/default/lib/noarch/front_base/http1.py
+++ b/code/default/lib/noarch/front_base/http1.py
@@ -159,20 +159,28 @@ def request_task(self, task):
                 start += sended
 
             task.set_state("h1_req_sended")
+        except Exception as e:
+            self.logger.exception("%s h1_request send:%r inactive_time:%d task.timeout:%d",
+                             self.ip_str, e, time.time() - self.last_recv_time, task.timeout)
+            self.logger.warn('%s trace:%s', self.ip_str, self.get_trace())
 
-            response = simple_http_client.Response(self.ssl_sock)
+            self.retry_task_cb(task)
+            self.task = None
+            self.close("send fail")
+            return
 
+        try:
+            response = simple_http_client.Response(self.ssl_sock)
             response.begin(timeout=timeout)
             task.set_state("response_begin")
-
         except Exception as e:
-            self.logger.warn("%s h1_request:%r inactive_time:%d task.timeout:%d",
+            self.logger.exception("%s h1_request recv:%r inactive_time:%d task.timeout:%d",
                              self.ip_str, e, time.time() - self.last_recv_time, task.timeout)
             self.logger.warn('%s trace:%s', self.ip_str, self.get_trace())
 
             self.retry_task_cb(task)
             self.task = None
-            self.close("down fail")
+            self.close("recv fail")
             return
 
         task.set_state("h1_get_head")
@@ -208,7 +216,7 @@ def request_task(self, task):
                 self.logger.warn("read fail, ip:%s, chunk:%d url:%s task.timeout:%d e:%r",
                                  self.ip_str, response.chunked, task.url, task.timeout, e)
                 self.logger.warn('%s trace:%s', self.ip_str, self.get_trace())
-                self.close("down fail")
+                self.close("read fail")
                 return
 
             task.put_data(data)
diff --git a/code/default/lib/noarch/front_base/http_common.py b/code/default/lib/noarch/front_base/http_common.py
index debebaa7dc..501f449f91 100644
--- a/code/default/lib/noarch/front_base/http_common.py
+++ b/code/default/lib/noarch/front_base/http_common.py
@@ -263,7 +263,7 @@ def close(self, reason):
             # self.logger.debug("worker.close %s reason:%s", self.ip_str, reason)
             self.accept_task = False
             self.keep_running = False
-            self.ssl_sock.close()
+            self.ssl_sock.close(reason)
             if reason not in ["idle timeout", "life end"]:
                 now = time.time()
                 inactive_time = now - self.last_recv_time
@@ -319,5 +319,7 @@ def is_life_end(self):
             return True
         elif self.processed_tasks > self.config.http2_max_process_tasks:
             return True
+        elif self.version == "1.1" and now - self.last_recv_time > self.config.http1_idle_time:
+            return True
         else:
             return False
diff --git a/code/default/lib/noarch/front_base/pyopenssl_wrap.py b/code/default/lib/noarch/front_base/pyopenssl_wrap.py
index 562f998375..8ee91e5714 100644
--- a/code/default/lib/noarch/front_base/pyopenssl_wrap.py
+++ b/code/default/lib/noarch/front_base/pyopenssl_wrap.py
@@ -257,14 +257,14 @@ def read(self, bufsiz, flags=0):
     def write(self, buf, flags=0):
         return self.sendall(buf, flags)
 
-    def close(self):
+    def close(self, reason=""):
         if self._makefile_refs < 1:
             self.running = False
             if not self.socket_closed:
                 socket.socket.close(self._sock)
                 self.socket_closed = True
                 if self._on_close:
-                    self._on_close(self.ip_str, self.sni)
+                    self._on_close(self.ip_str, self.sni, reason=reason)
                     self._on_close = None
         else:
             self._makefile_refs -= 1
diff --git a/code/default/lib/noarch/front_base/ssl_wrap.py b/code/default/lib/noarch/front_base/ssl_wrap.py
index d7ef6fca66..bcba121c66 100644
--- a/code/default/lib/noarch/front_base/ssl_wrap.py
+++ b/code/default/lib/noarch/front_base/ssl_wrap.py
@@ -189,14 +189,14 @@ def read(self, bufsiz, flags=0):
     def write(self, buf, flags=0):
         return self.sendall(buf, flags)
 
-    def close(self):
+    def close(self, reason=""):
         if self._makefile_refs < 1:
             self.running = False
             if not self.socket_closed:
                 socket.socket.close(self._sock)
                 self.socket_closed = True
                 if self._on_close:
-                    self._on_close(self.ip_str, self.sni)
+                    self._on_close(self.ip_str, self.sni, reason=reason)
         else:
             self._makefile_refs -= 1
 
diff --git a/code/default/lib/noarch/front_base/tlslite_wrap.py b/code/default/lib/noarch/front_base/tlslite_wrap.py
index 1e5354aefb..6596e26e0f 100644
--- a/code/default/lib/noarch/front_base/tlslite_wrap.py
+++ b/code/default/lib/noarch/front_base/tlslite_wrap.py
@@ -127,14 +127,14 @@ def read(self, bufsiz, flags=0):
     def write(self, buf, flags=0):
         return self.sendall(buf, flags)
 
-    def close(self):
+    def close(self, reason=""):
         if self._makefile_refs < 1:
             self.running = False
             if not self.socket_closed:
                 socket.socket.close(self._sock)
                 self.socket_closed = True
                 if self._on_close:
-                    self._on_close(self.ip_str, self.sni)
+                    self._on_close(self.ip_str, self.sni, reason=reason)
         else:
             self._makefile_refs -= 1
 
diff --git a/code/default/lib/noarch/simple_http_client.py b/code/default/lib/noarch/simple_http_client.py
index ae8bd6be46..f30f4abe0f 100644
--- a/code/default/lib/noarch/simple_http_client.py
+++ b/code/default/lib/noarch/simple_http_client.py
@@ -149,7 +149,7 @@ def recv(self, to_read=8192, timeout=30.0):
         while time.time() < end_time:
             try:
                 return self.sock.recv(to_read)
-            except socket.error as e:
+            except (BlockingIOError, socket.error) as e:
                 if e.errno in [2, 11, 35, 10035]:
                     time_left = end_time - time.time()
                     if time_left < 0:
@@ -314,7 +314,7 @@ def _read_size(self, read_len, timeout):
 
             try:
                 nbytes = self.sock.recv_into(view[out_len:], to_read)
-            except socket.error as e:
+            except (BlockingIOError, socket.error) as e:
                 if e.errno in [2, 11, 35, 10035]:
                     time_left = start_time + timeout - time.time()
                     if time_left < 0:
diff --git a/code/default/version.txt b/code/default/version.txt
index 885bc9f72d..f05e61d963 100644
--- a/code/default/version.txt
+++ b/code/default/version.txt
@@ -1 +1 @@
-5.8.1
\ No newline at end of file
+5.8.3
\ No newline at end of file
diff --git a/code/default/x_tunnel/local/base_container.py b/code/default/x_tunnel/local/base_container.py
index 88c035eecc..005761ea1e 100644
--- a/code/default/x_tunnel/local/base_container.py
+++ b/code/default/x_tunnel/local/base_container.py
@@ -435,7 +435,7 @@ def close_sock(self, sock, reason):
 
         try:
             conn = self.sock_conn_map[sock]
-            self.xlog.info("close conn:%d", conn.conn_id)
+            # self.xlog.info("close conn:%d", conn.conn_id)
             self.remove_sock(sock)
 
             conn.transfer_peer_close(reason)
diff --git a/code/default/x_tunnel/local/seley_front/ip_manager.py b/code/default/x_tunnel/local/seley_front/ip_manager.py
index 9372f15c40..0e5b92b560 100644
--- a/code/default/x_tunnel/local/seley_front/ip_manager.py
+++ b/code/default/x_tunnel/local/seley_front/ip_manager.py
@@ -45,19 +45,25 @@ def load(self):
 
         ip_hosts = {}
         for domain_port, host_info in domain_hosts.items():
+            if not host_info.get("key"):
+                continue
+
             ip, port = utils.get_ip_port(domain_port)
             if not utils.check_ip_valid(ip):
                 try:
                     info = socket.getaddrinfo(ip, port, socket.AF_UNSPEC,
                                               socket.SOCK_STREAM)
 
-                    af, socktype, proto, canonname, sa = info[0]
-                    ip = sa[0]
+                    for af, socktype, proto, canonname, sa in info:
+                        ip = sa[0]
+
+                        ip_str = utils.get_ip_str(ip, port)
+                        ip_hosts[ip_str] = host_info
                 except socket.gaierror:
-                    pass
+                    ip_hosts[domain_port] = host_info
+            else:
+                ip_hosts[domain_port] = host_info
 
-            ip_str = utils.get_ip_str(ip, port)
-            ip_hosts[ip_str] = host_info
         self.hosts = ip_hosts
 
     def _get_ip_info(self, ip_str):
@@ -74,6 +80,7 @@ def _get_ip_info(self, ip_str):
     def get_ip_sni_host(self):
         now = time.time()
 
+        ip_str = None
         best_info = None
         best_speed = 0
 
@@ -94,14 +101,14 @@ def get_ip_sni_host(self):
 
             if now - info["last_try"] > 30 * 60:
                 best_info = info
-                xlog.debug("get_ip_sni_host last_try %s", ip_str)
+                # xlog.debug("get_ip_sni_host last_try %s", ip_str)
                 break
 
             speed = self.get_speed(ip_str)
             if speed > best_speed:
                 best_speed = speed
                 best_info = info
-                xlog.debug("get_ip_sni_host best speed %s", ip_str)
+                # xlog.debug("get_ip_sni_host best speed %s", ip_str)
 
         if not best_info:
             return None, None, None
diff --git a/code/default/x_tunnel/local/seley_front/rc4_wrap.py b/code/default/x_tunnel/local/seley_front/rc4_wrap.py
index e89d6d05a0..e0b0a803c3 100644
--- a/code/default/x_tunnel/local/seley_front/rc4_wrap.py
+++ b/code/default/x_tunnel/local/seley_front/rc4_wrap.py
@@ -132,14 +132,14 @@ def read(self, bufsiz, flags=0):
     def write(self, buf, flags=0):
         return self.sendall(buf, flags)
 
-    def close(self):
+    def close(self, reason=""):
         if self._makefile_refs < 1:
             self.running = False
             if not self.socket_closed:
                 socket.socket.close(self._sock)
                 self.socket_closed = True
                 if self._on_close:
-                    self._on_close(self.ip_str, self.sni)
+                    self._on_close(self.ip_str, self.sni, reason=reason)
         else:
             self._makefile_refs -= 1