diff --git a/.env.example b/.env.example
index 799c451..554e83f 100644
--- a/.env.example
+++ b/.env.example
@@ -7,5 +7,7 @@ TEMP_DIR=tmp/
 ENCODER_ARGS="-c:v h264_qsv -global_quality 28 -look_ahead 1"
 # NVENC
 #ENCODER_ARGS="-c:v h264_nvenc -cq:v 24 -preset:v p7 -tune:v hq -profile:v high"
+# HEVC
+#VIDEO_ARGS="-profile:v main
 UPLOAD_METHOD="rclone"
 RCLONE_REPLACE_MAP="https://oss.zhentuai.com|alioss://frametour-assets,https://frametour-assets.oss-cn-shanghai.aliyuncs.com|alioss://frametour-assets"
\ No newline at end of file
diff --git a/constant/__init__.py b/constant/__init__.py
index d2b67ff..a7be96d 100644
--- a/constant/__init__.py
+++ b/constant/__init__.py
@@ -1,8 +1,8 @@
 SUPPORT_FEATURE = (
     'simple_render_algo',
     'gpu_accelerate',
-    'gpu_accelerate',
+    'hevc_encode',
     'rapid_download',
     'rclone_upload',
 )
-SOFTWARE_VERSION = '0.0.2'
+SOFTWARE_VERSION = '0.0.3'
diff --git a/entity/ffmpeg.py b/entity/ffmpeg.py
index e706f01..13de70d 100644
--- a/entity/ffmpeg.py
+++ b/entity/ffmpeg.py
@@ -6,11 +6,22 @@ from typing import Any
 
 DEFAULT_ARGS = ("-shortest",)
 ENCODER_ARGS = ("-c:v", "h264", ) if not os.getenv("ENCODER_ARGS", False) else os.getenv("ENCODER_ARGS", "").split(" ")
-VIDEO_ARGS = ("-profile:v", "high", "-level:v", "4", )
+VIDEO_ARGS = ("-profile:v", "high", "-level:v", "4", ) if not os.getenv("VIDEO_ARGS", False) else os.getenv("VIDEO_ARGS", "").split(" ")
 AUDIO_ARGS = ("-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2", )
 MUTE_AUDIO_INPUT = ("-f", "lavfi", "-i", "anullsrc=cl=stereo:r=48000", )
 
 
+def get_mp4toannexb_filter():
+    """
+    Determine which mp4toannexb filter to use based on ENCODER_ARGS.
+    Returns 'hevc_mp4toannexb' if ENCODER_ARGS contains 'hevc', otherwise 'h264_mp4toannexb'.
+    """
+    encoder_args_str = os.getenv("ENCODER_ARGS", "").lower()
+    if "hevc" in encoder_args_str:
+        return "hevc_mp4toannexb"
+    return "h264_mp4toannexb"
+
+
 class FfmpegTask(object):
 
     effects: list[str]
@@ -164,7 +175,7 @@ class FfmpegTask(object):
             output_args = [*VIDEO_ARGS, *AUDIO_ARGS, *ENCODER_ARGS, *DEFAULT_ARGS]
             if self.annexb:
                 output_args.append("-bsf:v")
-                output_args.append("h264_mp4toannexb")
+                output_args.append(get_mp4toannexb_filter())
                 output_args.append("-reset_timestamps")
                 output_args.append("1")
             video_output_str = "[0:v]"
@@ -359,7 +370,7 @@ class FfmpegTask(object):
             output_args += AUDIO_ARGS
             if self.annexb:
                 output_args.append("-bsf:v")
-                output_args.append("h264_mp4toannexb")
+                output_args.append(get_mp4toannexb_filter())
                 output_args.append("-bsf:a")
                 output_args.append("setts=pts=DTS")
             output_args.append("-f")
diff --git a/index.py b/index.py
index 0ff5ae0..f70013f 100644
--- a/index.py
+++ b/index.py
@@ -1,15 +1,25 @@
 from time import sleep
+import sys
 
 import config
 import biz.task
 from telemetry import init_opentelemetry
-from template import load_local_template
+from template import load_local_template, download_template, TEMPLATES
 from util import api
 
 import os
 import glob
 
 load_local_template()
+
+# Check for redownload parameter
+if 'redownload' in sys.argv:
+    print("Redownloading all templates...")
+    for template_name in TEMPLATES.keys():
+        print(f"Redownloading template: {template_name}")
+        download_template(template_name)
+    print("All templates redownloaded successfully!")
+    sys.exit(0)
 import logging
 
 LOGGER = logging.getLogger(__name__)
diff --git a/template/__init__.py b/template/__init__.py
index 6b4eede..de98076 100644
--- a/template/__init__.py
+++ b/template/__init__.py
@@ -79,6 +79,8 @@ def download_template(template_id):
     tracer = get_tracer(__name__)
     with tracer.start_as_current_span("download_template"):
         template_info = api.get_template_info(template_id)
+        if template_info is None:
+            return
         if not os.path.isdir(template_info['local_path']):
             os.makedirs(template_info['local_path'])
         # download template assets
diff --git a/util/api.py b/util/api.py
index ca89855..100ad41 100644
--- a/util/api.py
+++ b/util/api.py
@@ -87,6 +87,9 @@ def get_template_info(template_id):
         data = response.json()
         logger.debug("获取模板信息结果：【%s】", data)
         remote_template_info = data.get('data', {})
+        if not remote_template_info:
+            logger.warning("获取模板信息结果为空", data)
+            return None
         template = {
             'id': template_id,
             'updateTime': remote_template_info.get('updateTime', template_id),
diff --git a/util/ffmpeg.py b/util/ffmpeg.py
index ecd572d..18c16d6 100644
--- a/util/ffmpeg.py
+++ b/util/ffmpeg.py
@@ -7,7 +7,7 @@ from typing import Optional, IO
 
 from opentelemetry.trace import Status, StatusCode
 
-from entity.ffmpeg import FfmpegTask, ENCODER_ARGS, VIDEO_ARGS, AUDIO_ARGS, MUTE_AUDIO_INPUT
+from entity.ffmpeg import FfmpegTask, ENCODER_ARGS, VIDEO_ARGS, AUDIO_ARGS, MUTE_AUDIO_INPUT, get_mp4toannexb_filter
 from telemetry import get_tracer
 
 logger = logging.getLogger(__name__)
@@ -23,7 +23,7 @@ def re_encode_and_annexb(file):
         ffmpeg_process = subprocess.run(["ffmpeg", "-y", "-hide_banner", "-vsync", "cfr", "-i", file,
                                          *(set() if has_audio else MUTE_AUDIO_INPUT),
                                          "-map", "0:v", "-map", "0:a" if has_audio else "1:a",
-                                         *VIDEO_ARGS, "-bsf:v", "h264_mp4toannexb",
+                                         *VIDEO_ARGS, "-bsf:v", get_mp4toannexb_filter(),
                                          *AUDIO_ARGS, "-bsf:a", "setts=pts=DTS",
                                          *ENCODER_ARGS, "-shortest", "-fflags", "+genpts",
                                          "-f", "mpegts", file + ".ts"])