diff --git a/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.kt b/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.kt
index 44e9919..0c06e72 100644
--- a/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.kt
+++ b/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.kt
@@ -17,7 +17,7 @@ import androidx.recyclerview.widget.StaggeredGridLayoutManager
 import com.frank.ffmpeg.FFmpegCmd
 import com.frank.ffmpeg.R
 import com.frank.ffmpeg.adapter.WaterfallAdapter
-import com.frank.ffmpeg.format.VideoLayout
+import com.frank.ffmpeg.model.VideoLayout
 import com.frank.ffmpeg.gif.HighQualityGif
 import com.frank.ffmpeg.handler.FFmpegHandler
 import com.frank.ffmpeg.tool.JsonParseTool
diff --git a/app/src/main/java/com/frank/ffmpeg/format/VideoLayout.kt b/app/src/main/java/com/frank/ffmpeg/model/VideoLayout.kt
similarity index 86%
rename from app/src/main/java/com/frank/ffmpeg/format/VideoLayout.kt
rename to app/src/main/java/com/frank/ffmpeg/model/VideoLayout.kt
index 916c26b..5713f59 100644
--- a/app/src/main/java/com/frank/ffmpeg/format/VideoLayout.kt
+++ b/app/src/main/java/com/frank/ffmpeg/model/VideoLayout.kt
@@ -1,4 +1,4 @@
-package com.frank.ffmpeg.format
+package com.frank.ffmpeg.model
 
 /**
  * layout of video
diff --git a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
index 765a9ab..7994ef8 100644
--- a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
+++ b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
@@ -1,7 +1,7 @@
 package com.frank.ffmpeg.util;
 
 import com.frank.ffmpeg.FFmpegApplication;
-import com.frank.ffmpeg.format.VideoLayout;
+import com.frank.ffmpeg.model.VideoLayout;
 
 import java.util.List;
 import java.util.Locale;
diff --git a/app/src/main/java/com/frank/ffmpeg/view/VisualizerView.kt b/app/src/main/java/com/frank/ffmpeg/view/VisualizerView.kt
index 73f76a0..19dfb1f 100644
--- a/app/src/main/java/com/frank/ffmpeg/view/VisualizerView.kt
+++ b/app/src/main/java/com/frank/ffmpeg/view/VisualizerView.kt
@@ -81,11 +81,11 @@ class VisualizerView : View {
         }
     }
 
-    private fun drawWave(canvas: Canvas, i: Int, reversal: Boolean) {
+    private fun drawWave(canvas: Canvas, i: Int, reverse: Boolean) {
         if (pointList == null || pointList!!.size < 2) {
             return
         }
-        val ratio = SCALE * if (reversal) -1 else 1
+        val ratio = SCALE * if (reverse) -1 else 1
         if (i < pointList!!.size - 2) {
             val point = pointList!![i]
             val nextPoint = pointList!![i + 1]
@@ -101,8 +101,8 @@ class VisualizerView : View {
         }
     }
 
-    private fun drawLump(canvas: Canvas, i: Int, reversal: Boolean) {
-        val minus = if (reversal) -1 else 1
+    private fun drawLump(canvas: Canvas, i: Int, reverse: Boolean) {
+        val minus = if (reverse) -1 else 1
         val top = LUMP_MAX_HEIGHT - (LUMP_MIN_HEIGHT + waveData!![i] * SCALE) * minus
 
         canvas.drawRect((LUMP_SIZE * i).toFloat(),
@@ -137,8 +137,7 @@ class VisualizerView : View {
 
     enum class ShowStyle {
         STYLE_HOLLOW_LUMP,
-        STYLE_WAVE,
-        STYLE_NOTHING
+        STYLE_WAVE
     }
 
     companion object {
@@ -149,7 +148,7 @@ class VisualizerView : View {
         private const val LUMP_MIN_HEIGHT = LUMP_WIDTH
         private const val LUMP_MAX_HEIGHT = 200
         private const val LUMP_SIZE = LUMP_WIDTH + LUMP_SPACE
-        private val LUMP_COLOR = Color.parseColor("#6de6f6")
+        private val LUMP_COLOR = Color.parseColor("#00eeee")
 
         private const val WAVE_SAMPLING_INTERVAL = 3
 
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index dac50fe..54aa92a 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -9,5 +9,4 @@
     <color name="blueBtn">#00DDFF</color>
     <color name="gray">#BEBEBE</color>
     <color name="orange">#FF9800</color>
-    <color name="trasnsWhite">#32FFFFFF</color>
 </resources>