diff --git a/config.py b/config.py
index 2eb48e7..6132e75 100644
--- a/config.py
+++ b/config.py
@@ -26,8 +26,6 @@ FFMPEG_USE_INTEL_GPU = False
 FFMPEG_USE_VAAPI = False
 # bitrate
 VIDEO_BITRATE = "2.5M"
-# crf
-VIDEO_CRF = 28
 # gop
 VIDEO_GOP = 60
 # [video]
@@ -97,7 +95,6 @@ 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
@@ -135,7 +132,6 @@ 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/danmaku_workflow.py b/danmaku_workflow.py
index d9f4555..7b1061a 100644
--- a/danmaku_workflow.py
+++ b/danmaku_workflow.py
@@ -15,7 +15,7 @@ from PyQt5.QtWidgets import QWidget, QLabel, QApplication, QFrame, QVBoxLayout,
 from danmaku_xml_helper import get_file_start, diff_danmaku_files, NoDanmakuException
 from config import load_config, FFMPEG_EXEC, DANMAKU_FACTORY_EXEC, FFMPEG_USE_INTEL_GPU, FFMPEG_USE_NVIDIA_GPU, \
     VIDEO_BITRATE, VIDEO_CLIP_EACH_SEC, VIDEO_CLIP_OVERFLOW_SEC, VIDEO_RESOLUTION, DANMAKU_SPEED, DANMAKU_FONT_NAME, \
-    VIDEO_OUTPUT_DIR, VIDEO_CRF, VIDEO_GOP, FFMPEG_USE_HEVC, DANMAKU_FONT_SIZE
+    VIDEO_OUTPUT_DIR, VIDEO_GOP, FFMPEG_USE_HEVC, DANMAKU_FONT_SIZE
 
 
 class Job:
@@ -591,8 +591,8 @@ 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),
-        "-fflags", "+genpts", "-shortest", "-movflags", "faststart"
+        "-qmin", "18", "-qmax", "38", "-g:v", str(VIDEO_GOP),
+        "-fflags", "+genpts", "-shortest"
     )