diff --git a/com.py b/com.py
new file mode 100644
index 0000000..e56e414
--- /dev/null
+++ b/com.py
@@ -0,0 +1,43 @@
+import os
+import whois
+from concurrent.futures import ThreadPoolExecutor
+from tqdm import tqdm
+
+def check_domain_availability(domain):
+    try:
+        info = whois.whois(domain, timeout=10)
+        return not bool(info.domain_name)
+    except (whois.parser.PywhoisError, TimeoutError) as e:
+        print(f"查询域名 {domain} 时发生错误：{e}")
+        return False
+
+def generate_domain_names(length, suffix=".com"):
+    import itertools
+    import string
+
+    alphabet = string.ascii_lowercase
+    domains = [''.join(combination) for combination in itertools.product(alphabet, repeat=length)]
+    domains = [domain + suffix for domain in domains]
+
+    return domains
+
+def save_available_domains_to_file(domains, output_file):
+    desktop_path = os.path.join(os.path.expanduser("~"), "Desktop")
+    file_path = os.path.join(desktop_path, output_file)
+
+    with open(file_path, 'w') as file:
+        with ThreadPoolExecutor() as executor:
+            results = list(tqdm(executor.map(check_domain_availability, domains), total=len(domains), desc="生成域名进度", unit="域名"))
+            for domain, result in zip(domains, results):
+                if result:
+                    file.write(domain + '\n')
+
+if __name__ == "__main__":
+    domain_length = int(input("请输入域名长度（6位数以下）: "))
+    suffix = input("请输入域名后缀（例如.com）: ") or ".com"
+    output_file = "com.txt"
+
+    domains = generate_domain_names(domain_length, suffix)
+    save_available_domains_to_file(domains, output_file)
+
+    print(f"查询完成，结果保存在桌面的 '{output_file}' 文件中。")