diff --git a/.gitignore b/.gitignore
index 0bb204ce..01b4fb71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ python/*/__pycache__/
 python/.vscode/
 python/*/log/
 python/.xray-configs
+python/result/
 .tmp
 golang/CFScanner
 windows/*.rsuser
diff --git a/python/README.md b/python/README.md
index 5da10ebc..930ec36b 100644
--- a/python/README.md
+++ b/python/README.md
@@ -220,6 +220,9 @@ Contributors names and contact info
 * 1.2.1
   * Fixed the bug for keyboard interrupt in windows
   * improved the keyboard interrupt handling in general
+* 1.2.2
+  * Improved error logging
+  * Errors are logged into a file in case of an unexpected error
 
 [python]: https://img.shields.io/badge/-Python-3776AB?logo=python&logoColor=white
 [version]: https://img.shields.io/badge/Version-1.2.1-blue
diff --git a/python/args/parser.py b/python/args/parser.py
index f2205b2e..6e443c0a 100644
--- a/python/args/parser.py
+++ b/python/args/parser.py
@@ -1,8 +1,9 @@
 import argparse
 
-from report.print import color_text
 from rich.console import Console
 
+from report.print import color_text
+
 console = Console()
 
 
diff --git a/python/args/testconfig.py b/python/args/testconfig.py
index 92b5bce6..8de1f7e3 100644
--- a/python/args/testconfig.py
+++ b/python/args/testconfig.py
@@ -2,14 +2,13 @@
 import json
 import os
 
+from utils.exceptions import *
 from utils.exceptions import BinaryNotFoundError, TemplateReadError
 from utils.os import detect_system
 from utils.requests import download_file
 from xray import templates
 from xray.binary import download_binary
 
-from utils.exceptions import *
-
 PATH = os.path.dirname(os.path.abspath(__file__))
 PARENT_PATH = os.path.dirname(PATH)
 
diff --git a/python/cfscanner.py b/python/cfscanner.py
index 192cfaec..57a396a4 100644
--- a/python/cfscanner.py
+++ b/python/cfscanner.py
@@ -17,6 +17,7 @@
 from subnets import cidr_to_ip_list, get_num_ips_in_cidr, read_cidrs
 from utils.exceptions import *
 from utils.os import create_dir
+import logging
 
 console = Console()
 
@@ -36,6 +37,13 @@ def _init_pool():
 START_DT_STR = datetime.now().strftime(r"%Y%m%d_%H%M%S")
 INTERIM_RESULTS_PATH = os.path.join(RESULTDIR, f'{START_DT_STR}_result.csv')
 
+log_dir = os.path.join(SCRIPTDIR, "log")
+os.makedirs(log_dir, exist_ok=True)
+logging.basicConfig(
+    filename=os.path.join(log_dir, f"{START_DT_STR}.log")
+)
+
+logger = logging.getLogger(__name__)
 
 if __name__ == "__main__":
     console = Console()
@@ -50,7 +58,8 @@ def _init_pool():
             try:
                 create_dir(CONFIGDIR)
             except Exception as e:
-                console.log("[red]Could not created config directory[/red]")
+                console.log("[red]Could not create config directory[/red]")
+                logging.exception("Could not create config directory")
                 exit(1)
         console.log(f"[blue]Config directory created \"{CONFIGDIR}\"[/blue]")
         configFilePath = args.config_path
@@ -60,6 +69,8 @@ def _init_pool():
             create_dir(RESULTDIR)
         except Exception as e:
             console.log("[red]Could not create results directory[/red]")
+            logging.exception("Could not create results directory")
+            exit(1)
     console.log(f"[blue]Results directory created \"{RESULTDIR}\"[/blue]")
 
     # create empty result file
@@ -86,6 +97,8 @@ def _init_pool():
             console.log(
                 f"[red]Could not create empty result file:\n\"{INTERIM_RESULTS_PATH}\"[/red]"
             )
+            logging.exception("Could not create empty result file")
+            exit(1)
 
     threadsCount = args.threads
 
@@ -95,9 +108,11 @@ def _init_pool():
                 cidr_list = read_cidrs(args.subnets)
             except SubnetsReadError as e:
                 console.log(f"[red]Could not read subnets. {e}[/red]")
+                logging.exception("Could not read subnets")
                 exit(1)
             except Exception as e:
                 console.log(f"Unknown error in reading subnets: {e}")
+                logging.exception("Unknown error in reading subnets")
                 exit(1)
         console.log(
             f"[blue]Subnets successfully read from \"{args.subnets}\"[/blue]")
@@ -119,9 +134,11 @@ def _init_pool():
                 exit(1)
     try:
         test_config = TestConfig.from_args(args)
-    except TemplateReadError:
+    except TemplateReadError as e:
         console.log(
-            f"[red]Could not read template from file \"{args.template_path}\"[/red]")
+            f"[red]Could not read template from file \"{args.template_path}\"[/red]"
+        )
+        logger.exception(e)        
         exit(1)
     except BinaryNotFoundError:
         console.log(
@@ -206,6 +223,8 @@ def _init_pool():
                     progress.stop()
                     console.log(f"[red]{e}[/red]")
                     pool.terminate()
+                    logging.exception("Error in starting xray service.")
+                    break
                 except StopIteration as e:
                     for task in progress.tasks:
                         progress.stop_task(task.id)
@@ -225,3 +244,4 @@ def _init_pool():
                 except Exception as e:
                     progress.log("[red]Unknown error![/red]")
                     console.print_exception()
+                    logging.exception(e)
diff --git a/python/report/print.py b/python/report/print.py
index 68463553..20870619 100644
--- a/python/report/print.py
+++ b/python/report/print.py
@@ -1,7 +1,9 @@
-from . import Colors
+from statistics import mean
 from subprocess import Popen
+
 from speedtest.tools import mean_jitter
-from statistics import mean
+
+from . import Colors
 
 
 def no_and_kill(
@@ -43,23 +45,21 @@ def ok_message(
         f"avg_down_jitter: {down_mean_jitter:7.2f}ms "\
         f"avg_up_jitter: {up_mean_jitter:4.2f}ms"\
         f"[/blue]"
-    
-    
-    
+
+
 def color_text(text: str, rgb: tuple, bold: bool = False):
     """prints a colored text in the terminal using ANSI escape codes based on the rgb values
 
     Args:
         text (str): the text to be printed
         rgb (tuple): the rgb values of the color
-    """    
+    """
     if bold:
         return f"\033[1m\033[38;2;{rgb[0]};{rgb[1]};{rgb[2]}m{text}\033[m"
     else:
         return f"\033[38;2;{rgb[0]};{rgb[1]};{rgb[2]}m{text}\033[m"
 
 
-    
 def box_text(text: str):
     """prints a box around the text
 
@@ -68,15 +68,15 @@ def box_text(text: str):
 
     Returns:
         str: the text with the box around it 
-    """ 
+    """
     lines = text.splitlines()
     max_width = max(len(line) for line in lines)
-    
+
     # Define the ANSI escape codes for the header
     HEADER_COLOR = '\033[38;2;64;224;208m'
     BORDER_COLOR = '\033[38;2;100;100;100m'
     BOX_WIDTH = max_width + 10
-    
+
     res_text = ""
 
     # Print the header with a colored border
@@ -84,5 +84,5 @@ def box_text(text: str):
     for line in lines:
         res_text += f"{BORDER_COLOR}|{HEADER_COLOR}{line.center(BOX_WIDTH - 2)}{BORDER_COLOR}|\n"
     res_text += f"{BORDER_COLOR}{'+' + '-' * (BOX_WIDTH - 2) + '+'}\033[m"
-    
+
     return res_text
diff --git a/python/speedtest/conduct.py b/python/speedtest/conduct.py
index 7d7dd030..49770b03 100644
--- a/python/speedtest/conduct.py
+++ b/python/speedtest/conduct.py
@@ -1,6 +1,5 @@
-import statistics
-
 import requests
+
 from args.testconfig import TestConfig
 from report.print import no_and_kill, ok_message
 from utils.decorators import timeout_fun
@@ -13,7 +12,6 @@
 from .upload import upload_speed_test
 
 
-
 class TestResult:
     """class to store test results
     """
@@ -101,8 +99,10 @@ def test_ip(
             )
         except Exception as e:
             test_result.is_ok = False
-            raise StartProxyServiceError(f"Could not start xray service - {ip}")
-            
+            raise StartProxyServiceError(
+                f"Could not start xray service - {ip}"
+            )
+
     else:
         process = _FakeProcess()
         proxies = None
@@ -134,8 +134,8 @@ def timeout_download_fun():
             return test_result
         except Exception as e:
             fail_msg = no_and_kill(
-                ip=ip, 
-                message="download unknown error", 
+                ip=ip,
+                message="download unknown error",
                 process=process
             )
             test_result.message = fail_msg
@@ -213,7 +213,7 @@ def timeout_download_fun():
     process.kill()
 
     test_ok_msg = ok_message(test_result.result)
-    
+
     test_result.is_ok = True
     test_result.message = test_ok_msg
     return test_result
diff --git a/python/speedtest/tools.py b/python/speedtest/tools.py
index d7a3b2d9..94f36679 100644
--- a/python/speedtest/tools.py
+++ b/python/speedtest/tools.py
@@ -9,7 +9,7 @@ def mean_jitter(latencies: list) -> float:
 
     Returns:
         float: the mean jitter
-    """    
+    """
     if len(latencies) <= 1:
         return -1
     jitters = [abs(a - b) for a, b in zip(latencies[1:], latencies[:-1])]
diff --git a/python/xray/binary.py b/python/xray/binary.py
index 46e516eb..9e64dcd0 100644
--- a/python/xray/binary.py
+++ b/python/xray/binary.py
@@ -3,6 +3,7 @@
 
 import requests
 from rich.console import Console
+
 from utils.decorators import timeout_fun
 from utils.exceptions import *
 from utils.requests import download_file
@@ -65,15 +66,12 @@ def download_binary(
             except FileDownloadError as e:
                 raise BinaryDownloadError(
                     f"Failed to download the release zip file from xtls xray-core github repo {str(system_info)}")
-                return False
             except KeyError as e:
                 raise BinaryDownloadError(
                     f"Failed to get binary from zip file {zip_url}")
-                return False
             except Exception as e:
                 raise BinaryDownloadError(
                     f"Unknown error - detected system: {str(system_info)}")
-                return False
     else:
         console.log(f"[blue]Binary file already exists {bin_path}[/blue]")
         return bin_path