diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index bed4547..346dce3 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -4,10 +4,10 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6", "3.8"]
+        python-version: ["3.9","3.10","3.11","3.12"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -21,7 +21,7 @@ jobs:
         pip install pylint
     - name: Analysing the code with pylint
       run: |
-        pylint ./**/*.py
+        pylint labelme2datasets/**
     - name: Slack Notify
       uses: ravsamhq/notify-slack-action@v1
       if: always()
diff --git a/.pylintrc b/.pylintrc
deleted file mode 100644
index d6c0fd2..0000000
--- a/.pylintrc
+++ /dev/null
@@ -1,560 +0,0 @@
-[MASTER]
-
-# A comma-separated list of package or module names from where C extensions may
-# be loaded. Extensions are loading into the active Python interpreter and may
-# run arbitrary code.
-extension-pkg-allow-list=
-
-# A comma-separated list of package or module names from where C extensions may
-# be loaded. Extensions are loading into the active Python interpreter and may
-# run arbitrary code. (This is an alternative name to extension-pkg-allow-list
-# for backward compatibility.)
-extension-pkg-whitelist=
-
-# Return non-zero exit code if any of these messages/categories are detected,
-# even if score is above --fail-under value. Syntax same as enable. Messages
-# specified are enabled, while categories only check already-enabled messages.
-fail-on=
-
-# Specify a score threshold to be exceeded before program exits with error.
-fail-under=10.0
-
-# Files or directories to be skipped. They should be base names, not paths.
-ignore=CVS
-
-# Add files or directories matching the regex patterns to the ignore-list. The
-# regex matches against paths.
-ignore-paths=
-
-# Files or directories matching the regex patterns are skipped. The regex
-# matches against base names, not paths.
-ignore-patterns=
-
-# Python code to execute, usually for sys.path manipulation such as
-# pygtk.require().
-#init-hook=
-
-# Use multiple processes to speed up Pylint. Specifying 0 will auto-detect the
-# number of processors available to use.
-jobs=1
-
-# Control the amount of potential inferred values when inferring a single
-# object. This can help the performance when dealing with large functions or
-# complex, nested conditions.
-limit-inference-results=100
-
-# List of plugins (as comma separated values of python module names) to load,
-# usually to register additional checkers.
-load-plugins=
-
-# Pickle collected data for later comparisons.
-persistent=yes
-
-# Min Python version to use for version dependend checks. Will default to the
-# version used to run pylint.
-py-version=3.6
-
-# When enabled, pylint would attempt to guess common misconfiguration and emit
-# user-friendly hints instead of false-positive error messages.
-suggestion-mode=yes
-
-# Allow loading of arbitrary C extensions. Extensions are imported into the
-# active Python interpreter and may run arbitrary code.
-unsafe-load-any-extension=no
-
-
-[MESSAGES CONTROL]
-
-# Only show warnings with the listed confidence levels. Leave empty to show
-# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED.
-confidence=
-
-# Disable the message, report, category or checker with the given id(s). You
-# can either give multiple identifiers separated by comma (,) or put this
-# option multiple times (only on the command line, not in the configuration
-# file where it should appear only once). You can also use "--disable=all" to
-# disable everything first and then reenable specific checks. For example, if
-# you want to run only the similarities checker, you can use "--disable=all
-# --enable=similarities". If you want to run only the classes checker, but have
-# no Warning level messages displayed, use "--disable=all --enable=classes
-# --disable=W".
-disable=raw-checker-failed,
-        bad-inline-option,
-        locally-disabled,
-        file-ignored,
-        suppressed-message,
-        useless-suppression,
-        deprecated-pragma,
-        use-symbolic-message-instead
-
-# Enable the message, report, category or checker with the given id(s). You can
-# either give multiple identifier separated by comma (,) or put this option
-# multiple time (only on the command line, not in the configuration file where
-# it should appear only once). See also the "--disable" option for examples.
-enable=c-extension-no-member
-
-
-[REPORTS]
-
-# Python expression which should return a score less than or equal to 10. You
-# have access to the variables 'error', 'warning', 'refactor', and 'convention'
-# which contain the number of messages in each category, as well as 'statement'
-# which is the total number of statements analyzed. This score is used by the
-# global evaluation report (RP0004).
-evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
-
-# Template used to display messages. This is a python new-style format string
-# used to format the message information. See doc for all details.
-#msg-template=
-
-# Set the output format. Available formats are text, parseable, colorized, json
-# and msvs (visual studio). You can also give a reporter class, e.g.
-# mypackage.mymodule.MyReporterClass.
-output-format=text
-
-# Tells whether to display a full report or only the messages.
-reports=no
-
-# Activate the evaluation score.
-score=yes
-
-
-[REFACTORING]
-
-# Maximum number of nested blocks for function / method body
-max-nested-blocks=5
-
-# Complete name of functions that never returns. When checking for
-# inconsistent-return-statements if a never returning function is called then
-# it will be considered as an explicit return statement and no message will be
-# printed.
-never-returning-functions=sys.exit,argparse.parse_error
-
-
-[LOGGING]
-
-# The type of string formatting that logging methods do. `old` means using %
-# formatting, `new` is for `{}` formatting.
-logging-format-style=old
-
-# Logging modules to check that the string format arguments are in logging
-# function parameter format.
-logging-modules=logging
-
-
-[SPELLING]
-
-# Limits count of emitted suggestions for spelling mistakes.
-max-spelling-suggestions=4
-
-# Spelling dictionary name. Available dictionaries: none. To make it work,
-# install the 'python-enchant' package.
-spelling-dict=
-
-# List of comma separated words that should be considered directives if they
-# appear and the beginning of a comment and should not be checked.
-spelling-ignore-comment-directives=fmt: on,fmt: off,noqa:,noqa,nosec,isort:skip,mypy:
-
-# List of comma separated words that should not be checked.
-spelling-ignore-words=
-
-# A path to a file that contains the private dictionary; one word per line.
-spelling-private-dict-file=
-
-# Tells whether to store unknown words to the private dictionary (see the
-# --spelling-private-dict-file option) instead of raising a message.
-spelling-store-unknown-words=no
-
-
-[MISCELLANEOUS]
-
-# List of note tags to take in consideration, separated by a comma.
-notes=FIXME,
-      XXX,
-      TODO
-
-# Regular expression of note tags to take in consideration.
-#notes-rgx=
-
-
-[TYPECHECK]
-
-# List of decorators that produce context managers, such as
-# contextlib.contextmanager. Add to this list to register other decorators that
-# produce valid context managers.
-contextmanager-decorators=contextlib.contextmanager
-
-# List of members which are set dynamically and missed by pylint inference
-# system, and so shouldn't trigger E1101 when accessed. Python regular
-# expressions are accepted.
-generated-members=
-
-# Tells whether missing members accessed in mixin class should be ignored. A
-# mixin class is detected if its name ends with "mixin" (case insensitive).
-ignore-mixin-members=yes
-
-# Tells whether to warn about missing members when the owner of the attribute
-# is inferred to be None.
-ignore-none=yes
-
-# This flag controls whether pylint should warn about no-member and similar
-# checks whenever an opaque object is returned when inferring. The inference
-# can return multiple potential results while evaluating a Python object, but
-# some branches might not be evaluated, which results in partial inference. In
-# that case, it might be useful to still emit no-member and other checks for
-# the rest of the inferred objects.
-ignore-on-opaque-inference=yes
-
-# List of class names for which member attributes should not be checked (useful
-# for classes with dynamically set attributes). This supports the use of
-# qualified names.
-ignored-classes=optparse.Values,thread._local,_thread._local
-
-# List of module names for which member attributes should not be checked
-# (useful for modules/projects where namespaces are manipulated during runtime
-# and thus existing member attributes cannot be deduced by static analysis). It
-# supports qualified module names, as well as Unix pattern matching.
-ignored-modules=lxml
-
-# Show a hint with possible names when a member name was not found. The aspect
-# of finding the hint is based on edit distance.
-missing-member-hint=yes
-
-# The minimum edit distance a name should have in order to be considered a
-# similar match for a missing member name.
-missing-member-hint-distance=1
-
-# The total number of similar names that should be taken in consideration when
-# showing a hint for a missing member.
-missing-member-max-choices=1
-
-# List of decorators that change the signature of a decorated function.
-signature-mutators=
-
-
-[VARIABLES]
-
-# List of additional names supposed to be defined in builtins. Remember that
-# you should avoid defining new builtins when possible.
-additional-builtins=
-
-# Tells whether unused global variables should be treated as a violation.
-allow-global-unused-variables=yes
-
-# List of names allowed to shadow builtins
-allowed-redefined-builtins=
-
-# List of strings which can identify a callback function by name. A callback
-# name must start or end with one of those strings.
-callbacks=cb_,
-          _cb
-
-# A regular expression matching the name of dummy variables (i.e. expected to
-# not be used).
-dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
-
-# Argument names that match this expression will be ignored. Default to name
-# with leading underscore.
-ignored-argument-names=_.*|^ignored_|^unused_
-
-# Tells whether we should check for unused import in __init__ files.
-init-import=no
-
-# List of qualified module names which can have objects that can redefine
-# builtins.
-redefining-builtins-modules=six.moves,past.builtins,future.builtins,builtins,io
-
-
-[FORMAT]
-
-# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
-expected-line-ending-format=
-
-# Regexp for a line that is allowed to be longer than the limit.
-ignore-long-lines=^\s*(# )?<?https?://\S+>?$
-
-# Number of spaces of indent required inside a hanging or continued line.
-indent-after-paren=4
-
-# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
-# tab).
-indent-string='    '
-
-# Maximum number of characters on a single line.
-max-line-length=100
-
-# Maximum number of lines in a module.
-max-module-lines=1000
-
-# Allow the body of a class to be on the same line as the declaration if body
-# contains single statement.
-single-line-class-stmt=no
-
-# Allow the body of an if to be on the same line as the test if there is no
-# else.
-single-line-if-stmt=no
-
-
-[SIMILARITIES]
-
-# Comments are removed from the similarity computation
-ignore-comments=yes
-
-# Docstrings are removed from the similarity computation
-ignore-docstrings=yes
-
-# Imports are removed from the similarity computation
-ignore-imports=no
-
-# Signatures are removed from the similarity computation
-ignore-signatures=no
-
-# Minimum lines number of a similarity.
-min-similarity-lines=4
-
-
-[BASIC]
-
-# Naming style matching correct argument names.
-argument-naming-style=snake_case
-
-# Regular expression matching correct argument names. Overrides argument-
-# naming-style.
-#argument-rgx=
-
-# Naming style matching correct attribute names.
-attr-naming-style=snake_case
-
-# Regular expression matching correct attribute names. Overrides attr-naming-
-# style.
-#attr-rgx=
-
-# Bad variable names which should always be refused, separated by a comma.
-bad-names=foo,
-          bar,
-          baz,
-          toto,
-          tutu,
-          tata
-
-# Bad variable names regexes, separated by a comma. If names match any regex,
-# they will always be refused
-bad-names-rgxs=
-
-# Naming style matching correct class attribute names.
-class-attribute-naming-style=any
-
-# Regular expression matching correct class attribute names. Overrides class-
-# attribute-naming-style.
-#class-attribute-rgx=
-
-# Naming style matching correct class constant names.
-class-const-naming-style=UPPER_CASE
-
-# Regular expression matching correct class constant names. Overrides class-
-# const-naming-style.
-#class-const-rgx=
-
-# Naming style matching correct class names.
-class-naming-style=PascalCase
-
-# Regular expression matching correct class names. Overrides class-naming-
-# style.
-#class-rgx=
-
-# Naming style matching correct constant names.
-const-naming-style=UPPER_CASE
-
-# Regular expression matching correct constant names. Overrides const-naming-
-# style.
-#const-rgx=
-
-# Minimum line length for functions/classes that require docstrings, shorter
-# ones are exempt.
-docstring-min-length=-1
-
-# Naming style matching correct function names.
-function-naming-style=snake_case
-
-# Regular expression matching correct function names. Overrides function-
-# naming-style.
-#function-rgx=
-
-# Good variable names which should always be accepted, separated by a comma.
-good-names=i,
-           j,
-           k,
-           ex,
-           Run,
-           _
-
-# Good variable names regexes, separated by a comma. If names match any regex,
-# they will always be accepted
-good-names-rgxs=
-
-# Include a hint for the correct naming format with invalid-name.
-include-naming-hint=no
-
-# Naming style matching correct inline iteration names.
-inlinevar-naming-style=any
-
-# Regular expression matching correct inline iteration names. Overrides
-# inlinevar-naming-style.
-#inlinevar-rgx=
-
-# Naming style matching correct method names.
-method-naming-style=snake_case
-
-# Regular expression matching correct method names. Overrides method-naming-
-# style.
-#method-rgx=
-
-# Naming style matching correct module names.
-module-naming-style=snake_case
-
-# Regular expression matching correct module names. Overrides module-naming-
-# style.
-#module-rgx=
-
-# Colon-delimited sets of names that determine each other's naming style when
-# the name regexes allow several styles.
-name-group=
-
-# Regular expression which should only match function or class names that do
-# not require a docstring.
-no-docstring-rgx=^_
-
-# List of decorators that produce properties, such as abc.abstractproperty. Add
-# to this list to register other decorators that produce valid properties.
-# These decorators are taken in consideration only for invalid-name.
-property-classes=abc.abstractproperty
-
-# Naming style matching correct variable names.
-variable-naming-style=snake_case
-
-# Regular expression matching correct variable names. Overrides variable-
-# naming-style.
-#variable-rgx=
-
-
-[STRING]
-
-# This flag controls whether inconsistent-quotes generates a warning when the
-# character used as a quote delimiter is used inconsistently within a module.
-check-quote-consistency=no
-
-# This flag controls whether the implicit-str-concat should generate a warning
-# on implicit string concatenation in sequences defined over several lines.
-check-str-concat-over-line-jumps=no
-
-
-[IMPORTS]
-
-# List of modules that can be imported at any level, not just the top level
-# one.
-allow-any-import-level=
-
-# Allow wildcard imports from modules that define __all__.
-allow-wildcard-with-all=no
-
-# Analyse import fallback blocks. This can be used to support both Python 2 and
-# 3 compatible code, which means that the block might have code that exists
-# only in one or another interpreter, leading to false positives when analysed.
-analyse-fallback-blocks=no
-
-# Deprecated modules which should not be used, separated by a comma.
-deprecated-modules=
-
-# Output a graph (.gv or any supported image format) of external dependencies
-# to the given file (report RP0402 must not be disabled).
-ext-import-graph=
-
-# Output a graph (.gv or any supported image format) of all (i.e. internal and
-# external) dependencies to the given file (report RP0402 must not be
-# disabled).
-import-graph=
-
-# Output a graph (.gv or any supported image format) of internal dependencies
-# to the given file (report RP0402 must not be disabled).
-int-import-graph=
-
-# Force import order to recognize a module as part of the standard
-# compatibility libraries.
-known-standard-library=
-
-# Force import order to recognize a module as part of a third party library.
-known-third-party=enchant
-
-# Couples of modules and preferred modules, separated by a comma.
-preferred-modules=
-
-
-[CLASSES]
-
-# Warn about protected attribute access inside special methods
-check-protected-access-in-special-methods=no
-
-# List of method names used to declare (i.e. assign) instance attributes.
-defining-attr-methods=__init__,
-                      __new__,
-                      setUp,
-                      __post_init__
-
-# List of member names, which should be excluded from the protected access
-# warning.
-exclude-protected=_asdict,
-                  _fields,
-                  _replace,
-                  _source,
-                  _make
-
-# List of valid names for the first argument in a class method.
-valid-classmethod-first-arg=cls
-
-# List of valid names for the first argument in a metaclass class method.
-valid-metaclass-classmethod-first-arg=cls
-
-
-[DESIGN]
-
-# List of qualified class names to ignore when counting class parents (see
-# R0901)
-ignored-parents=
-
-# Maximum number of arguments for function / method.
-max-args=5
-
-# Maximum number of attributes for a class (see R0902).
-max-attributes=7
-
-# Maximum number of boolean expressions in an if statement (see R0916).
-max-bool-expr=5
-
-# Maximum number of branch for function / method body.
-max-branches=12
-
-# Maximum number of locals for function / method body.
-max-locals=15
-
-# Maximum number of parents for a class (see R0901).
-max-parents=7
-
-# Maximum number of public methods for a class (see R0904).
-max-public-methods=20
-
-# Maximum number of return / yield for function / method body.
-max-returns=6
-
-# Maximum number of statements in function / method body.
-max-statements=50
-
-# Minimum number of public methods for a class (see R0903).
-min-public-methods=2
-
-
-[EXCEPTIONS]
-
-# Exceptions that will emit a warning when being caught. Defaults to
-# "BaseException, Exception".
-overgeneral-exceptions=BaseException,
-                       Exception
diff --git a/README.en.md b/README.en.md
index 771e86a..c645639 100644
--- a/README.en.md
+++ b/README.en.md
@@ -123,7 +123,7 @@ Most of the scripts refer to the [examples](https://github.com/wkentaro/labelme/
 1. suggested to use virtualenv to install python packages.
   
     ```sh
-    conda create --name=labelme python=3.6
+    conda create --name=labelme python=3.9
     conda activate labelme
     pip install -r requirements.txt
     ```
@@ -158,19 +158,19 @@ if the baseline in this project not work for your datasets, you can install in d
 
 - convert a single json into dataset. (`labelme_json2dataset.py`)
     ```shell
-    labelme_json2dataset --json_file=data/test.json \
+    labelme_json2dataset --json_file=data/sample.json \
       --output_dir=output/test_single_output
     ```
 
 - convert a folder of jsons into voc-format dataset. (`labelme_bbox_json2voc.py`)
   - without label conversion
     ```shell
-    labelme_bbox_json2voc --json_dir=data/test_jsons \
+    labelme_bbox_json2voc --json_dir=data/sample_jsons \
       --output_dir=output/test_voc_output --labels data/label_names.txt
     ```
   - with label conversion
     ```shell
-    labelme_bbox_json2voc --json_dir=data/test_jsons \
+    labelme_bbox_json2voc --json_dir=data/sample_jsons \
       --output_dir=output/test_voc_output \
       --labels data/label_names.txt \
       --label_dict data/label_dict.txt
diff --git a/README.md b/README.md
index 9a0539b..c4050b0 100644
--- a/README.md
+++ b/README.md
@@ -122,7 +122,7 @@
 1. 建议使用虚拟环境安装 Python Package。
   
     ```sh
-    conda create --name=labelme python=3.6
+    conda create --name=labelme python=3.9
     conda activate labelme
     pip install -r requirements.txt
     ```
@@ -156,19 +156,19 @@
 
 - 转换单个 JSON 文件。 (`labelme_json2dataset.py`)
     ```sh
-    labelme_json2dataset --json_file=data/test.json \
+    labelme_json2dataset --json_file=data/sample.json \
       --output_dir=output/test_single_output
     ```
 
 - 转换 JSON 文件夹`labelme_jsons_dir` 到  VOC 格式的数据集。 (`labelme_bbox_json2voc.py`)
-  - 需要标签转换
+  - 不需要标签转换
     ```sh
-    labelme_bbox_json2voc --json_dir=data/test_jsons \
+    labelme_bbox_json2voc --json_dir=data/sample_jsons \
       --output_dir=output/test_voc_output --labels data/label_names.txt
     ```
-  - 不需要标签转换
+  - 需要标签转换
     ```sh
-    labelme_bbox_json2voc --json_dir=data/test_jsons \
+    labelme_bbox_json2voc --json_dir=data/sample_jsons \
       --output_dir=output/test_voc_output \
       --labels data/label_names.txt \
       --label_dict data/label_dict.txt
diff --git a/SimSun.ttf b/SimSun.ttf
new file mode 100644
index 0000000..b3005f1
Binary files /dev/null and b/SimSun.ttf differ
diff --git a/data/test.json b/data/sample.json
similarity index 100%
rename from data/test.json
rename to data/sample.json
diff --git a/data/test_jsons/20180928115506.json b/data/sample_jsons/20180928115506.json
similarity index 100%
rename from data/test_jsons/20180928115506.json
rename to data/sample_jsons/20180928115506.json
diff --git a/data/test_jsons/20180928115522.json b/data/sample_jsons/20180928115522.json
similarity index 100%
rename from data/test_jsons/20180928115522.json
rename to data/sample_jsons/20180928115522.json
diff --git a/data/test_jsons/20180928115538.json b/data/sample_jsons/20180928115538.json
similarity index 100%
rename from data/test_jsons/20180928115538.json
rename to data/sample_jsons/20180928115538.json
diff --git a/labelme2datasets/labelme_bbox_json2voc.py b/labelme2datasets/labelme_bbox_json2voc.py
index c1a0d0d..ce33602 100644
--- a/labelme2datasets/labelme_bbox_json2voc.py
+++ b/labelme2datasets/labelme_bbox_json2voc.py
@@ -1,3 +1,4 @@
+# coding=utf-8
 """
 desc: gather json files annotated by labelme into a dictionary,
     and use this script to generate a voc style dataset.
@@ -5,7 +6,6 @@
 reference: https://github.com/wkentaro/labelme/blob/main/examples/bbox_detection/labelme2voc.py
 """
 
-# coding=utf-8
 
 from __future__ import print_function
 
@@ -198,7 +198,7 @@ def process_annotated_json(class_names, filename, output_dir, label_dict):
 
     # save source image
     img = labelme.utils.img_data_to_arr(label_file.imageData)
-    imgviz.io.imsave(out_img_file, img)
+    imgviz.io.imsave(str(out_img_file), img)
 
     # get xml
     (xml, bboxes, labels) = get_xml_with_labelfile(label_file, base, label_dict, class_names)
@@ -215,12 +215,16 @@ def save_visualization_image(img, labels, bboxes, class_names, output_file):
     """save visualized image"""
     # caption for visualize drawing
     captions = [class_names[label] for label in labels]
+    # font can display chinese
+    # MARK: change font path if you need
+    font_path = "SimSun.ttf"
     viz = imgviz.instances2rgb(
         image=img,
         labels=labels,
         bboxes=bboxes,
         captions=captions,
-        font_size=15,
+        font_size=20,
+        font_path=font_path,
     )
     imgviz.io.imsave(output_file, viz)
 
diff --git a/labelme2datasets/labelme_json2dataset.py b/labelme2datasets/labelme_json2dataset.py
index 9a35bbf..3a9b93b 100644
--- a/labelme2datasets/labelme_json2dataset.py
+++ b/labelme2datasets/labelme_json2dataset.py
@@ -1,3 +1,4 @@
+# coding=utf-8
 """
 brief: covert single json file to single image dataset.
 
@@ -6,8 +7,6 @@
 reference: https://github.com/wkentaro/labelme/blob/main/labelme/cli/json_to_dataset.py
 """
 
-# coding=utf-8
-
 import argparse
 import base64
 import json
@@ -50,10 +49,9 @@ def get_label_names(data, image):
     for shape in sorted(data['shapes'], key=lambda x: x['label']):
         label_name = shape['label']
         if label_name in label_name_to_value:
-            pass
-        else:
-            label_value = len(label_name_to_value)
-            label_name_to_value[label_name] = label_value
+            continue
+        label_value = len(label_name_to_value)
+        label_name_to_value[label_name] = label_value
     lbl, _ = utils.shapes_to_label(image.shape, data['shapes'], label_name_to_value)
 
     label_names = [None] * (max(label_name_to_value.values()) + 1)
@@ -85,15 +83,15 @@ def save_image_and_label(image, lbl, output_dir, label_names):
 
 
 def main():
-    """ main """
+    """ Main function. """
     logger.warning(
-        'This script is aimed to demonstrate how to convert the'
-        'JSON file to a single image dataset, and not to handle'
-        'multiple JSON files to generate a real-use dataset.'
+        'This script demonstrates how to convert a JSON file '
+        'into a single image dataset. However, it is not intended '
+        'to handle multiple JSON files for generating a real-world dataset.'
     )
     logger.warning(
-        "It won't handle multiple JSON files to generate a "
-        "real-use dataset."
+        "This script does not support processing multiple JSON files "
+        "to create a real-world dataset."
     )
     parser = argparse.ArgumentParser()
     parser.add_argument('--json_file')
@@ -102,11 +100,16 @@ def main():
 
     json_file = args.json_file
 
+    if json_file is None or not os.path.exists(json_file):
+        logger.error("JSON file is not provided or does not exist. -h for help.")
+        return
+
     if args.output_dir is None:
         out_dir = osp.basename(json_file).replace('.', '_')
-        out_dir = osp.join(osp.dirname(json_file), out_dir)
+        out_dir = osp.join(osp.dirname(json_file), str(out_dir))
     else:
         out_dir = args.output_dir
+
     if not osp.exists(out_dir):
         os.mkdir(out_dir)
 
diff --git a/labelme2datasets/split_voc_datasets.py b/labelme2datasets/split_voc_datasets.py
index e42f970..2b8d83b 100644
--- a/labelme2datasets/split_voc_datasets.py
+++ b/labelme2datasets/split_voc_datasets.py
@@ -1,5 +1,6 @@
-"""splitting voc format datasets into training set and test set"""
 # coding=utf-8
+"""splitting voc format datasets into training set and test set"""
+
 
 import argparse
 import sys
diff --git a/labelme2datasets/utils.py b/labelme2datasets/utils.py
index da1c667..94671c6 100644
--- a/labelme2datasets/utils.py
+++ b/labelme2datasets/utils.py
@@ -1,11 +1,12 @@
+# coding=utf-8
 """
 some common functions.
 """
 
-# coding=utf-8
 
 import os.path as osp
 
+
 def get_label_conversion_dict(dict_file):
     """
     自定义标签转换，例如将中文标签转换为英文标签
diff --git a/labelme2datasets/version.py b/labelme2datasets/version.py
new file mode 100644
index 0000000..011ed78
--- /dev/null
+++ b/labelme2datasets/version.py
@@ -0,0 +1,5 @@
+"""
+Version of labelme2datasets.
+"""
+
+__version__ = "0.0.3"
diff --git a/labelme2datasets/voc2coco.py b/labelme2datasets/voc2coco.py
index 6bf4cf1..e276ed8 100644
--- a/labelme2datasets/voc2coco.py
+++ b/labelme2datasets/voc2coco.py
@@ -1,5 +1,5 @@
+# coding=utf-8
 """turn voc format datasets into coco format datasets"""
-# coding = utf-8
 
 import argparse
 import sys
diff --git a/output/test_coco_output/test/20180928115522.jpg b/output/test_coco_output/test/20180928115522.jpg
index f06a1c6..73554b9 100644
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diff --git a/output/test_coco_output/train/20180928115506.jpg b/output/test_coco_output/train/20180928115506.jpg
index 01b4253..9aeaa61 100644
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diff --git a/output/test_coco_output/train/20180928115538.jpg b/output/test_coco_output/train/20180928115538.jpg
index 3f99b9f..f1b1b4c 100644
Binary files a/output/test_coco_output/train/20180928115538.jpg and b/output/test_coco_output/train/20180928115538.jpg differ
diff --git a/output/test_single_output/img.png b/output/test_single_output/img.png
index d3d5fed..5ced595 100644
Binary files a/output/test_single_output/img.png and b/output/test_single_output/img.png differ
diff --git a/output/test_single_output/label_viz.png b/output/test_single_output/label_viz.png
index 3e45a89..5f4961d 100644
Binary files a/output/test_single_output/label_viz.png and b/output/test_single_output/label_viz.png differ
diff --git a/output/test_voc_output/AnnotationsVisualization/20180928115506.jpg b/output/test_voc_output/AnnotationsVisualization/20180928115506.jpg
index 57182eb..b437499 100644
Binary files a/output/test_voc_output/AnnotationsVisualization/20180928115506.jpg and b/output/test_voc_output/AnnotationsVisualization/20180928115506.jpg differ
diff --git a/output/test_voc_output/AnnotationsVisualization/20180928115522.jpg b/output/test_voc_output/AnnotationsVisualization/20180928115522.jpg
index ea82b53..4958691 100644
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diff --git a/output/test_voc_output/AnnotationsVisualization/20180928115538.jpg b/output/test_voc_output/AnnotationsVisualization/20180928115538.jpg
index 2eacb22..7187204 100644
Binary files a/output/test_voc_output/AnnotationsVisualization/20180928115538.jpg and b/output/test_voc_output/AnnotationsVisualization/20180928115538.jpg differ
diff --git a/output/test_voc_output/JPEGImages/20180928115506.jpg b/output/test_voc_output/JPEGImages/20180928115506.jpg
index 01b4253..9aeaa61 100644
Binary files a/output/test_voc_output/JPEGImages/20180928115506.jpg and b/output/test_voc_output/JPEGImages/20180928115506.jpg differ
diff --git a/output/test_voc_output/JPEGImages/20180928115522.jpg b/output/test_voc_output/JPEGImages/20180928115522.jpg
index f06a1c6..73554b9 100644
Binary files a/output/test_voc_output/JPEGImages/20180928115522.jpg and b/output/test_voc_output/JPEGImages/20180928115522.jpg differ
diff --git a/output/test_voc_output/JPEGImages/20180928115538.jpg b/output/test_voc_output/JPEGImages/20180928115538.jpg
index 3f99b9f..f1b1b4c 100644
Binary files a/output/test_voc_output/JPEGImages/20180928115538.jpg and b/output/test_voc_output/JPEGImages/20180928115538.jpg differ
diff --git a/requirements.txt b/requirements.txt
index 8daba0d..81f5260 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
-imgviz~=1.4.1
-pillow~=8.4.0
-labelme~=4.5.13
-lxml~=4.6.4
+beautifulsoup4~=4.12.3
+imgviz~=1.7.5
+labelme~=5.4.1
 progressbar~=2.5
-setuptools~=58.0.4
-xmltodict~=0.12.0
-sklearn~=0.0
-scikit-learn~=0.24.2
\ No newline at end of file
+scikit-learn~=1.4.2
+xmltodict~=0.13.0
+setuptools~=69.5.1
+pillow~=10.3.0
+lxml~=5.2.1
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 142914f..5d61aaf 100644
--- a/setup.py
+++ b/setup.py
@@ -1,28 +1,32 @@
 """setup.py for install this package"""
 from setuptools import setup, find_packages
+from labelme2datasets.version import __version__
+
+
+def get_long_description():
+    with open('README.md', encoding='utf-8') as readme_f:
+        return readme_f.read()
+
+
+def get_install_requires():
+    with open('requirements.txt', encoding='utf-8') as req_f:
+        return req_f.read().splitlines()
+
+
+def get_version():
+    return __version__
 
-with open('README.md', encoding='utf-8') as readme_f:
-    long_description = readme_f.read()
 
 setup(
     name='labelme2datasets',
-    version='0.0.2',
+    version=get_version(),
     description='python scripts to convert labelme-generated-jsons to voc/coco style datasets.',
-    long_description=long_description,
+    long_description=get_long_description(),
     long_description_content_type="text/markdown",
     url="https://github.com/veraposeidon/labelme2Datasets",
     author='veraposeidon',
     packages=find_packages(include=['labelme2datasets', 'labelme2datasets.*']),
-    install_requires=[
-        'imgviz~=1.4.1',
-        'pillow~=8.4.0',
-        'labelme~=4.5.13',
-        'lxml~=4.6.4',
-        'progressbar~=2.5',
-        'xmltodict~=0.12.0',
-        'sklearn~=0.0',
-        'scikit-learn~=0.24.2',
-    ],
+    install_requires=get_install_requires(),
     entry_points={
         'console_scripts': [
             'labelme_json2dataset = labelme2datasets.labelme_json2dataset:main',
@@ -32,7 +36,7 @@
         ]
     },
     classifiers=[
-        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.10",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
     ],