diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7bdec99a..22b2134b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## TOC
 
+- [Unreleased](#unreleased)
+  - [Changed](#changedunreleased)
 - [0.5.2-alpha - 2019-11-05](#052-alpha---2019-11-05)
   - [Added](#added052-alpha)
   - [Changed](#changed052-alpha)
@@ -26,6 +28,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Click up arrow to go back to TOC.
 
+### [Unreleased]
+
+### Changed(Unreleased)
+
+- Fix excessive transcoding time issue.
+- Fix Auditok option issues.
+
 ### [0.5.2-alpha] - 2019-11-05
 
 ### Added(0.5.2-alpha)
diff --git a/autosub/cmdline_utils.py b/autosub/cmdline_utils.py
index 59c917e6..2a9dd658 100644
--- a/autosub/cmdline_utils.py
+++ b/autosub/cmdline_utils.py
@@ -831,9 +831,9 @@ def audio_or_video_prcs(  # pylint: disable=too-many-branches, too-many-statemen
         regions = core.auditok_gen_speech_regions(
             audio_wav=audio_wav,
             energy_threshold=args.energy_threshold,
-            min_region_size=constants.MIN_REGION_SIZE,
-            max_region_size=constants.MAX_REGION_SIZE,
-            max_continuous_silence=constants.DEFAULT_CONTINUOUS_SILENCE,
+            min_region_size=args.min_region_size,
+            max_region_size=args.max_region_size,
+            max_continuous_silence=args.max_continuous_silence,
             mode=mode
         )
         os.remove(audio_wav)
diff --git a/docs/CHANGELOG.zh-Hans.md b/docs/CHANGELOG.zh-Hans.md
index 96bcceff..85222f13 100644
--- a/docs/CHANGELOG.zh-Hans.md
+++ b/docs/CHANGELOG.zh-Hans.md
@@ -25,6 +25,13 @@
 
 点击上箭头以返回目录。
 
+### [未发布]
+
+### 改动(未发布)
+
+- 修复ffmpeg参数导致的过长转码时间问题。
+- 修复Auditok选项问题。
+
 ### [0.5.2-alpha] - 2019-11-05
 
 ### 添加(0.5.2-alpha)