diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index e1dad6f..bbb9b25 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.gitignore b/.gitignore
index 58e4756..f847725 100644
--- a/.gitignore
+++ b/.gitignore
@@ -127,4 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
-*.csv
\ No newline at end of file
+*.csv
+
+.DS_Store
\ No newline at end of file
diff --git a/pymetaf/__init__.py b/pymetaf/__init__.py
index bd753cc..6e838a7 100644
--- a/pymetaf/__init__.py
+++ b/pymetaf/__init__.py
@@ -1 +1,3 @@
+__version__ = "0.1.4"
+
 from .parser import *
diff --git a/pymetaf/parser.py b/pymetaf/parser.py
index 97c000f..012f595 100644
--- a/pymetaf/parser.py
+++ b/pymetaf/parser.py
@@ -254,6 +254,12 @@ def parse_text(text, year, month):
             wd = int(wd_str)
 
         ws = int(wdws[3:5])  # wind speed
+
+        # If wind speed is 0 and wind direction is 000, this is calm wind (静风)
+        # In this case, wind direction should be None
+        if ws == 0 and wd_str == "000":
+            wd = None
+
         if wdws[5] == "G":
             # Example with gust: METAR ZBXH 250700Z 25008G13MPS 9999 FEW040 13/M18 Q1015 NOSIG
             gust = int(wdws[6:8])  # gust
@@ -292,9 +298,9 @@ def parse_text(text, year, month):
     visstr = get_field_text("vis", no_trend_text)
     if visstr:
         if visstr == "9999":
-            dataset[
-                "visibility"
-            ] = 99999  # Represent visibility greater than 10000 as 99999
+            dataset["visibility"] = (
+                99999  # Represent visibility greater than 10000 as 99999
+            )
         elif visstr == "0000":
             dataset["visibility"] = 50
         elif visstr.endswith("SM"):
diff --git a/setup.py b/setup.py
index ff06190..4186d1e 100644
--- a/setup.py
+++ b/setup.py
@@ -10,11 +10,19 @@
 with open(requirements_path) as f:
     required = f.read().splitlines()
 
+# 从 pymetaf/__init__.py 读取版本号
+version = {}
+with open(os.path.join(FILE_PATH, "pymetaf", "__init__.py")) as f:
+    for line in f:
+        if line.startswith("__version__"):
+            exec(line, version)
+            break
+
 setuptools.setup(
     name="pymetaf",
-    version="1.0.3",
+    version=version["__version__"],
     author="Wentao Li",
-    author_email="wentao.li@moji.com",
+    author_email="clarmyleewt@outlook.com",
     description="A python package for parsing metar & taf raw text",
     long_description=long_description,
     long_description_content_type="text/markdown",
diff --git a/tests/case/metar/parse_text_case.py b/tests/case/metar/parse_text_case.py
index 38c6ae1..7dd44f4 100644
--- a/tests/case/metar/parse_text_case.py
+++ b/tests/case/metar/parse_text_case.py
@@ -633,4 +633,33 @@
             "auto": False,
         },
     },
+    {
+        "kwargs": {
+            "text": "METAR ZBAA 301630Z 00000MPS CAVOK 16/16 Q1009 NOSIG=",
+            "year": 2025,
+            "month": 10,
+        },
+        "result": {
+            "kind": "METAR",
+            "icao": "ZBAA",
+            "auto": False,
+            "datetime": "2025-10-30T16:30:00+00:00",
+            "wind_direction": None,
+            "wind_direction_units": "degree",
+            "wind_speed": 0,
+            "wind_speed_units": "m/s",
+            "gust": None,
+            "wind_direction_range": None,
+            "cavok": True,
+            "visibility": 99999,
+            "visibility_units": "m",
+            "temperature": 16,
+            "dew_temperature": 16,
+            "temperature_units": "degree C",
+            "qnh": 1009,
+            "qnh_units": "hPa",
+            "cloud": None,
+            "weather": ["Clear Sky"],
+        },
+    },
 ]