diff --git a/tools/template.py b/tools/template.py
index 05c544ccb..3dafc5d61 100644
--- a/tools/template.py
+++ b/tools/template.py
@@ -1,5 +1,6 @@
-import os
 import json
+import os
+
 from jinja2 import Environment, FileSystemLoader
 
 BASE_URL = "https://ascend-repo.obs.cn-east-2.myhuaweicloud.com"
@@ -8,48 +9,55 @@
     "8.0.RC2.alpha002": "V100R001C18SPC805",
     "8.0.RC2.alpha003": "V100R001C18SPC703",
     "8.0.RC3.alpha002": "V100R001C19SPC702",
-    "8.1.RC1.alpha001": "V100R001C21B800TP034"
+    "8.1.RC1.alpha001": "V100R001C21B800TP034",
 }
 
-env = Environment(loader=FileSystemLoader('tools/template'))
+env = Environment(loader=FileSystemLoader("tools/template"))
 
-def get_download_url(cann_chip, version, nnal_version):
-    if "alpha" in version:
-        if version not in ALPHA_DICT:
-            raise ValueError(f"Unsupported version: {version}. Supported versions are: {list(ALPHA_DICT.keys())}")
-        url_prefix = BASE_URL + "/Milan-ASL/Milan-ASL%20" + ALPHA_DICT[version]
+
+def get_download_url(cann_version: str, cann_chip: str, nnal_version: str):
+    if "alpha" in cann_version:
+        if cann_version not in ALPHA_DICT:
+            raise ValueError(
+                f"Invalid CANN version: {cann_version}. "
+                f"Expected version to be one of {list(ALPHA_DICT.keys())}"
+            )
+        version = ALPHA_DICT.get(cann_version)
+        url_prefix = f"{BASE_URL}/Milan-ASL/Milan-ASL%20{version}"
     else:
-        url_prefix = BASE_URL + "/CANN/CANN%20" + version
-        
+        url_prefix = BASE_URL + "/CANN/CANN%20" + cann_version
+
     nnal_url_prefix = BASE_URL + "/CANN/CANN%20" + nnal_version
-        
-    toolkit_file_prefix = "Ascend-cann-toolkit_" + version + "_linux"
-    kernels_file_prefix = "Ascend-cann-kernels-" + cann_chip + "_" + version + "_linux"
+
+    toolkit_file_prefix = "Ascend-cann-toolkit_" + cann_version + "_linux"
+    kernels_file_prefix = (
+        "Ascend-cann-kernels-" + cann_chip + "_" + cann_version + "_linux"
+    )
     nnal_file_prefix = "Ascend-cann-nnal_" + nnal_version + "_linux"
-    
+
     cann_toolkit_url_prefix = f"{url_prefix}/{toolkit_file_prefix}"
-    cann_kernels_url_prefix = f"{url_prefix}/{kernels_file_prefix}"   
+    cann_kernels_url_prefix = f"{url_prefix}/{kernels_file_prefix}"
     cann_nnal_url_prefix = f"{nnal_url_prefix}/{nnal_file_prefix}"
     return cann_toolkit_url_prefix, cann_kernels_url_prefix, cann_nnal_url_prefix
-    
+
+
 def render_and_save(template_name, item):
     template = env.get_template(template_name)
-    cann_toolkit_url_prefix, cann_kernels_url_prefix, cann_nnal_url_prefix = get_download_url(
-        item['cann_chip'], 
-        item['cann_version'], 
-        item['nnal_version']
-        )
-    item['cann_toolkit_url_prefix'] = cann_toolkit_url_prefix
-    item['cann_kernels_url_prefix'] = cann_kernels_url_prefix
-    item['cann_nnal_url_prefix'] = cann_nnal_url_prefix
+    cann_toolkit_url_prefix, cann_kernels_url_prefix, cann_nnal_url_prefix = (
+        get_download_url(item["cann_chip"], item["cann_version"], item["nnal_version"])
+    )
+    item["cann_toolkit_url_prefix"] = cann_toolkit_url_prefix
+    item["cann_kernels_url_prefix"] = cann_kernels_url_prefix
+    item["cann_nnal_url_prefix"] = cann_nnal_url_prefix
     rendered_content = template.render(item=item)
 
-    output_path = os.path.join("cann", item['tags']['common'][0], "Dockerfile")
+    output_path = os.path.join("cann", item["tags"]["common"][0], "Dockerfile")
     os.makedirs(os.path.dirname(output_path), exist_ok=True)
-    with open(output_path, 'w') as f:
+    with open(output_path, "w") as f:
         f.write(rendered_content)
     print(f"Generated: {output_path}")
 
+
 def process_args(args, ubuntu_template, openeuler_template):
     for arg in args["cann"]:
         if arg["os_name"] == "ubuntu":
@@ -58,11 +66,12 @@ def process_args(args, ubuntu_template, openeuler_template):
             template = openeuler_template
         render_and_save(template, arg)
 
-def main():  
-    with open('arg.json', 'r') as f:
+
+def main():
+    with open("arg.yml", "r") as f:
         args = json.load(f)
-    process_args(args, 'ubuntu.Dockerfile.j2', 'openeuler.Dockerfile.j2')
+    process_args(args, "ubuntu.Dockerfile.j2", "openeuler.Dockerfile.j2")
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()