From 0928ace77be8a03174b61703c982a45bd12a31d0 Mon Sep 17 00:00:00 2001
From: wujian <wujian@shanshu.ai>
Date: Thu, 12 Oct 2023 15:49:57 +0800
Subject: [PATCH] Fix update of appsi_copt

---
 pyomo/contrib/appsi/solvers/copt.py | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/pyomo/contrib/appsi/solvers/copt.py b/pyomo/contrib/appsi/solvers/copt.py
index fbeed45e8ff..1572815bad6 100644
--- a/pyomo/contrib/appsi/solvers/copt.py
+++ b/pyomo/contrib/appsi/solvers/copt.py
@@ -342,11 +342,10 @@ def _solve(self, timer: HierarchicalTimer):
                 config = self.config
                 options = self.copt_options
 
-                if config.stream_solver:
-                    self._solver_model.setParam('LogToConsole', 1)
-                else:
-                    self._solver_model.setParam('LogToConsole', 0)
-                self._solver_model.setLogFile(config.logfile)
+                if not config.stream_solver:
+                    self._solver_model.setParam("LogToConsole", 0)
+                if config.logfile:
+                    self._solver_model.setLogFile(config.logfile)
 
                 if config.time_limit is not None:
                     self._solver_model.setParam('TimeLimit', config.time_limit)
@@ -1068,7 +1067,7 @@ def get_slacks(self, cons_to_load=None):
         return slack
 
     def update(self, timer: HierarchicalTimer = None):
-        pass
+        super(Copt, self).update(timer=timer)
 
     def get_model_attr(self, attr):
         """