diff --git a/main.py b/main.py
index c7f54d0..c851739 100644
--- a/main.py
+++ b/main.py
@@ -55,7 +55,7 @@
 
 system = System()
 config_data = system.config
-logger.add(system.log_file, rotation="1 MB", enqueue=True)
+logger.add(system.log_file, rotation="1 MB", enqueue=True, buffering=1, level=system.log_level)
 
 
 def handle_uncaught_exception(exc_type, exc_value, exc_traceback):
@@ -3559,4 +3559,5 @@ class Payment:
     auth = AuthForm()
     auth.show()
     auth.ui.label_9.setText(system.database)
-    sys.exit(app.exec())
+    exit_code = app.exec()
+    sys.exit(exit_code)
diff --git a/modules/config.py b/modules/config.py
index 3cb0a17..9c0ca78 100644
--- a/modules/config.py
+++ b/modules/config.py
@@ -122,6 +122,10 @@ def load_config(self):
                     )
                 config_data[key] = config.get(section, key)
 
+            if config.has_option("OTHER", "log_level"):
+                config_data["log_level"] = config.get("OTHER", "log_level")
+            else:
+                config_data["log_level"] = "DEBUG"
 
             return config_data
         except (NoSectionError, NoOptionError) as e:
diff --git a/modules/system.py b/modules/system.py
index 34c8fdf..55e0abc 100644
--- a/modules/system.py
+++ b/modules/system.py
@@ -38,6 +38,7 @@ def __init__(self):
         self.user = self.config.get("user")
         self.software_version = self.config.get("version")
         self.log_file = self.config.get("log_file")
+        self.log_level = self.config.get("log_level").upper()
         # Информация о РМ
         self.kol_pc = int(self.config.get("kol"))
         self.pcs = self.config.pcs  # список рабочих станций