diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index 750f6139d..a78b9ae50 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -1,7 +1,7 @@
 ## 更新日志
 * 旧版数据导入教程：先在旧版阅读(2.x)中进行备份，然后在新版阅读(3.x)【我的】->【备份与恢复】，选择【导入旧版本数据】。
 * 请关注[开源阅读]()支持我,同时关注合作公众号[小说拾遗](),阅读公众号小编。
-* 弄了个企业公众号[开源阅读](),后面弄好后会把原来的开源阅读软件迁移过来
+* 弄了个企业公众号[开源阅读](),后面弄好后会把原来的[开源阅读软件]()迁移过来
 
 **2020/03/19**
 * 美化界面我的 by yangyxd
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt
index 9b619c551..101b6678a 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt
@@ -6,24 +6,14 @@ import android.content.res.TypedArray
 import android.graphics.Color
 import android.os.Bundle
 import android.util.AttributeSet
-import android.view.LayoutInflater
-import android.view.ViewGroup
-import android.widget.ImageView
-import android.widget.LinearLayout
-import android.widget.TextView
 import androidx.annotation.ColorInt
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.widget.SwitchCompat
-import androidx.core.view.isVisible
 import androidx.fragment.app.FragmentActivity
 import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
 import com.jaredrummler.android.colorpicker.*
 import io.legado.app.lib.theme.ATH
-import io.legado.app.lib.theme.accentColor
-import org.jetbrains.anko.layoutInflater
-import org.jetbrains.anko.px2dip
 
 class ColorPreference(context: Context, attrs: AttributeSet) : Preference(context, attrs),
     ColorPickerDialogListener {
@@ -121,12 +111,12 @@ class ColorPreference(context: Context, attrs: AttributeSet) : Preference(contex
     }
 
     override fun onBindViewHolder(holder: PreferenceViewHolder) {
-        super.onBindViewHolder(holder)
         val v = io.legado.app.ui.widget.prefs.Preference.bindView<ColorPanelView>(context, holder, icon, title, summary, widgetLayoutResource,
             io.legado.app.R.id.cpv_preference_preview_color_panel, 30, 30)
         if (v is ColorPanelView) {
-            v?.color = color
+            v.color = color
         }
+        super.onBindViewHolder(holder)
     }
 
     override fun onSetInitialValue(defaultValue: Any?) {
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt
index b914afcf5..8c0e39da3 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt
@@ -14,9 +14,8 @@ class EditTextPreference(context: Context, attrs: AttributeSet) : androidx.prefe
     }
 
     override fun onBindViewHolder(holder: PreferenceViewHolder?) {
+        Preference.bindView<TextView>(context, holder, icon, title, summary, null, null)
         super.onBindViewHolder(holder)
-        val txt = if (text == null || text.isEmpty()) summary else text
-        val v = Preference.bindView<TextView>(context, holder, icon, title, txt, null, null)
     }
 
 }
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
index 2e043b4c3..fa8b4eeb7 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
@@ -10,22 +10,17 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
-import android.widget.TextView
-import androidx.core.view.isVisible
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.FragmentActivity
 import androidx.preference.ListPreference
 import androidx.preference.PreferenceViewHolder
 import androidx.recyclerview.widget.LinearLayoutManager
-import com.jaredrummler.android.colorpicker.ColorPanelView
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
-import io.legado.app.lib.theme.accentColor
 import io.legado.app.utils.getCompatDrawable
 import kotlinx.android.synthetic.main.dialog_recycler_view.*
 import kotlinx.android.synthetic.main.item_icon_preference.view.*
-import org.jetbrains.anko.layoutInflater
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 
@@ -34,7 +29,7 @@ class IconListPreference(context: Context, attrs: AttributeSet) : ListPreference
     private val mEntryDrawables = arrayListOf<Drawable?>()
 
     init {
-        layoutResource = io.legado.app.R.layout.view_preference
+        layoutResource = R.layout.view_preference
         widgetLayoutResource = R.layout.view_icon
 
         val a = context.theme.obtainStyledAttributes(attrs, R.styleable.IconListPreference, 0, 0)
@@ -63,7 +58,7 @@ class IconListPreference(context: Context, attrs: AttributeSet) : ListPreference
             val selectedIndex = findIndexOfValue(value)
             if (selectedIndex >= 0) {
                 val drawable = mEntryDrawables[selectedIndex]
-                v?.setImageDrawable(drawable)
+                v.setImageDrawable(drawable)
             }
         }
     }
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt
index f4c1ccac2..0763c8474 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt
@@ -16,10 +16,10 @@ class NameListPreference(context: Context, attrs: AttributeSet) : ListPreference
     }
 
     override fun onBindViewHolder(holder: PreferenceViewHolder?) {
-        super.onBindViewHolder(holder)
         val v = Preference.bindView<TextView>(context, holder, icon, title, summary, widgetLayoutResource, R.id.text_view)
         if (v is TextView) {
-            v?.text = entry
+            v.text = entry
         }
+        super.onBindViewHolder(holder)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt
index 30603c89d..0190dcd9f 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt
@@ -1,33 +1,17 @@
 package io.legado.app.ui.widget.prefs
 
 import android.content.Context
-import android.content.ContextWrapper
-import android.content.res.TypedArray
-import android.graphics.Color
 import android.graphics.drawable.Drawable
-import android.media.Image
-import android.os.Bundle
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import android.widget.FrameLayout
 import android.widget.ImageView
 import android.widget.TextView
-import androidx.annotation.ColorInt
-import androidx.annotation.StringRes
-import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.widget.SwitchCompat
 import androidx.core.view.isVisible
-import androidx.core.view.updateLayoutParams
-import androidx.fragment.app.FragmentActivity
-import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
-import com.jaredrummler.android.colorpicker.*
-import io.legado.app.lib.theme.ATH
 import io.legado.app.R
 import io.legado.app.lib.theme.accentColor
-import org.jetbrains.anko.imageBitmap
 import org.jetbrains.anko.layoutInflater
 import kotlin.math.roundToInt
 
@@ -44,21 +28,21 @@ class Preference(context: Context, attrs: AttributeSet) : androidx.preference.Pr
                                weightWidth: Int = 0, weightHeight: Int = 0): T? {
             if (it == null) return null
             val view = it.findViewById(R.id.preference_title)
-            if (view is TextView) {  //  && !view.isInEditMode
+            if (view is TextView) {
                 view.text = title
                 view.isVisible = title != null && title.isNotEmpty()
 
-                val tv_summary = it.findViewById(R.id.preference_desc)
-                if(tv_summary is TextView) {
-                    tv_summary.text = summary
-                    tv_summary.isVisible = summary != null && summary.isNotEmpty()
+                val tvSummary = it.findViewById(R.id.preference_desc)
+                if (tvSummary is TextView) {
+                    tvSummary.text = summary
+                    tvSummary.isVisible = summary != null && summary.isNotEmpty()
                 }
 
-                val _icon = it.findViewById(R.id.preference_icon)
-                if (_icon is ImageView) {
-                    _icon.isVisible = icon != null && icon.isVisible
-                    _icon.setImageDrawable(icon)
-                    _icon.setColorFilter(context.accentColor)
+                val iconView = it.findViewById(R.id.preference_icon)
+                if (iconView is ImageView) {
+                    iconView.isVisible = icon != null && icon.isVisible
+                    iconView.setImageDrawable(icon)
+                    iconView.setColorFilter(context.accentColor)
                 }
             }
 
@@ -72,7 +56,7 @@ class Preference(context: Context, attrs: AttributeSet) : androidx.preference.Pr
                         lay.removeAllViews()
                         lay.addView(childView)
                         lay.isVisible = true
-                        v = lay.findViewById<T>(viewId)
+                        v = lay.findViewById(viewId)
                     }
 
                     if (weightWidth > 0 || weightHeight > 0) {
@@ -94,8 +78,8 @@ class Preference(context: Context, attrs: AttributeSet) : androidx.preference.Pr
     }
 
     override fun onBindViewHolder(holder: PreferenceViewHolder?) {
-        super.onBindViewHolder(holder)
         bindView<View>(context, holder, icon, title, summary, null, null)
+        super.onBindViewHolder(holder)
     }
 
 }
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt
index 91532bbb5..2f6becfc2 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt
@@ -17,11 +17,19 @@ class SwitchPreference(context: Context, attrs: AttributeSet) :
     }
 
     override fun onBindViewHolder(holder: PreferenceViewHolder?) {
-        super.onBindViewHolder(holder)
-        val v = Preference.bindView<SwitchCompat>(context, holder, icon, title, summary, widgetLayoutResource, R.id.switchWidget)
+        val v = Preference.bindView<SwitchCompat>(
+            context,
+            holder,
+            icon,
+            title,
+            summary,
+            widgetLayoutResource,
+            R.id.switchWidget
+        )
         if (v is SwitchCompat) {
             ATH.setTint(v, context.accentColor)
         }
+        super.onBindViewHolder(holder)
     }
 
 }