diff --git a/config.py b/config.py
index c3de16b..41dadd6 100644
--- a/config.py
+++ b/config.py
@@ -30,8 +30,6 @@ FFMPEG_USE_INTEL_GPU = False
 FFMPEG_USE_VAAPI = False
 # bitrate
 VIDEO_BITRATE = "2.5M"
-# crf
-VIDEO_CRF = 28
 # gop
 VIDEO_GOP = 60
 # [video]
@@ -96,7 +94,7 @@ def load_config():
         VIDEO_CLIP_OVERFLOW_SEC = section.getfloat('overflow_sec', VIDEO_CLIP_OVERFLOW_SEC)
     if config.has_section("ffmpeg"):
         section = config['ffmpeg']
-        global FFMPEG_EXEC, FFMPEG_USE_HEVC, FFMPEG_USE_NVIDIA_GPU, FFMPEG_USE_INTEL_GPU, VIDEO_BITRATE, VIDEO_CRF, \
+        global FFMPEG_EXEC, FFMPEG_USE_HEVC, FFMPEG_USE_NVIDIA_GPU, FFMPEG_USE_INTEL_GPU, VIDEO_BITRATE, \
             VIDEO_GOP, FFMPEG_USE_VAAPI
         FFMPEG_EXEC = section.get('exec', FFMPEG_EXEC)
         FFMPEG_USE_HEVC = section.getboolean('hevc', FFMPEG_USE_HEVC)
@@ -104,7 +102,6 @@ def load_config():
         FFMPEG_USE_INTEL_GPU = section.getboolean('intel_gpu', FFMPEG_USE_INTEL_GPU)
         FFMPEG_USE_VAAPI = section.getboolean('vaapi', FFMPEG_USE_VAAPI)
         VIDEO_BITRATE = section.get('bitrate', VIDEO_BITRATE)
-        VIDEO_CRF = section.getfloat('crf', VIDEO_CRF)
         VIDEO_GOP = section.getfloat('gop', VIDEO_GOP)
     if config.has_section("recorder"):
         global BILILIVE_RECORDER_DIRECTORY, XIGUALIVE_RECORDER_DIRECTORY, VIDEO_OUTPUT_DIR
@@ -144,7 +141,6 @@ def get_config():
             'intel_gpu': FFMPEG_USE_INTEL_GPU,
             'vaapi': FFMPEG_USE_VAAPI,
             'bitrate': VIDEO_BITRATE,
-            'crf': VIDEO_CRF,
             'gop': VIDEO_GOP,
         },
         'recorder': {
diff --git a/templates/index.html b/templates/index.html
index e844cf2..b5bc675 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -104,10 +104,6 @@
             <td>视频比特率</td>
             <td>{{ config.ffmpeg.bitrate }}</td>
         </tr>
-        <tr>
-            <td>视频CRF</td>
-            <td>{{ config.ffmpeg.crf }}</td>
-        </tr>
         <tr>
             <td>GOP</td>
             <td>{{ config.ffmpeg.gop }}</td>
@@ -328,7 +324,6 @@
                         intel_gpu: false,
                         vaapi: false,
                         bitrate: "",
-                        crf: "",
                         gop: "",
                     },
                     recorder: {
diff --git a/test/create_workflow.py b/test/create_workflow.py
new file mode 100644
index 0000000..40eb889
--- /dev/null
+++ b/test/create_workflow.py
@@ -0,0 +1,24 @@
+import requests
+from time import sleep
+
+
+API_BASE = "https://bilirec.home.jerryyan.top"
+FILE = "24048885/20221125_201819.flv"
+
+requests.post(API_BASE+"/api/bilirecorder/", json={
+    "EventType": "SessionStarted"
+})
+sleep(1)
+response = requests.post(API_BASE+"/api/bilirecorder/", json={
+    "EventType": "FileClosed",
+    "EventData": {
+        "RelativePath": FILE
+    }
+})
+sleep(1)
+requests.post(API_BASE+"/api/bilirecorder/", json={
+    "EventType": "SessionEnded",
+})
+
+print(response)
+print(response.json())
\ No newline at end of file
diff --git a/workflow/video.py b/workflow/video.py
index fd0e2e5..cbb88f1 100644
--- a/workflow/video.py
+++ b/workflow/video.py
@@ -5,7 +5,7 @@ from typing import IO
 
 from config import FFMPEG_EXEC, FFMPEG_USE_HEVC, VIDEO_BITRATE, FFMPEG_USE_NVIDIA_GPU, VIDEO_CLIP_EACH_SEC, \
     VIDEO_CLIP_OVERFLOW_SEC, \
-    FFMPEG_USE_INTEL_GPU, VIDEO_OUTPUT_DIR, VIDEO_CRF, VIDEO_GOP, FFMPEG_USE_VAAPI
+    FFMPEG_USE_INTEL_GPU, VIDEO_OUTPUT_DIR, VIDEO_GOP, FFMPEG_USE_VAAPI
 from . import LOGGER
 
 
@@ -214,7 +214,7 @@ def quick_split_video(file):
         split_process = subprocess.Popen([
             FFMPEG_EXEC, *_common_ffmpeg_setting(),
             "-ss", str(current_sec),
-            "-i", file, "-c:v", "copy", "-c:a", "aac", "-f", "mp4",
+            "-i", file, "-c:v", "copy", "-c:a", "copy", "-f", "mp4",
             "-t", str(VIDEO_CLIP_EACH_SEC + VIDEO_CLIP_OVERFLOW_SEC),
             "-fflags", "+genpts", "-shortest", "-movflags", "faststart",
             os.path.join(VIDEO_OUTPUT_DIR, "{}.mp4".format(current_dt))
@@ -239,6 +239,6 @@ def _common_ffmpeg_params():
     return (
         "-f", "mp4", "-b:v", VIDEO_BITRATE, "-c:a", "aac",
         "-preset:v", "fast", "-profile:v", "main", "-avoid_negative_ts", "1",
-        "-qmin", "18", "-qmax", "38", "-crf", str(VIDEO_CRF), "-g:v", str(VIDEO_GOP),
+        "-qmin", "18", "-qmax", "38", "-g:v", str(VIDEO_GOP),
         "-fflags", "+genpts", "-shortest"
     )