diff --git a/app/build.gradle b/app/build.gradle
index 43c822e3b..c2bc779e2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -14,7 +14,7 @@ static def releaseTime() {
 }
 
 def name = "legado"
-def version = "0." + releaseTime()
+def version = "3." + releaseTime()
 def gitCommits = Integer.parseInt('git rev-list --count HEAD'.execute([], project.rootDir).text.trim())
 
 android {
diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index e08399579..94535e6d4 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -1,9 +1,14 @@
 ## 更新日志
 
 * 旧版数据导入教程：
-* 先在旧版阅读2.19.xxxxxx进行备份，再在新版阅读3.0的【我的】中，点击【备份与恢复】，选择【导入旧版本数据】，提示存储权限，选择允许即可导入成功。
+* 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】，提示存储权限，选择允许即可导入成功。
 * 注意：由于安卓10更改了权限策略，还需要给「允许安装其他应用」的权限才能导入源。
 
+**2019/12/09**
+* [add]其他设置->清理缓存
+* [mod]调整深色模式配色，预适配Android10
+* [mod]启用web服务
+
 **2019/12/03**
 * from Celeter1、调试log修改 2、增加书源字符串分享（RSS未包含） 3、增加导出选中的源（包含书源、RSS、替换规则）
 * 一键缓存
diff --git a/app/src/main/java/io/legado/app/App.kt b/app/src/main/java/io/legado/app/App.kt
index a9fbf72d4..37dd40e25 100644
--- a/app/src/main/java/io/legado/app/App.kt
+++ b/app/src/main/java/io/legado/app/App.kt
@@ -70,13 +70,13 @@ class App : Application() {
         if (isNightTheme) {
             ThemeStore.editTheme(this)
                 .primaryColor(
-                    getPrefInt("colorPrimaryNight", getCompatColor(R.color.md_blue_grey_600))
+                    getPrefInt("colorPrimaryNight", getCompatColor(R.color.md_grey_900))
                 )
                 .accentColor(
                     getPrefInt("colorAccentNight", getCompatColor(R.color.md_deep_orange_800))
                 )
                 .backgroundColor(
-                    getPrefInt("colorBackgroundNight", getCompatColor(R.color.md_grey_800))
+                    getPrefInt("colorBackgroundNight", getCompatColor(R.color.md_black_1000))
                 )
                 .apply()
         } else {
@@ -101,7 +101,6 @@ class App : Application() {
         initNightTheme()
     }
 
-
     private fun initNightTheme() {
         val targetMode = if (isNightTheme) {
             AppCompatDelegate.MODE_NIGHT_YES
@@ -111,7 +110,6 @@ class App : Application() {
         AppCompatDelegate.setDefaultNightMode(targetMode)
     }
 
-
     /**
      * 创建通知ID
      */
diff --git a/app/src/main/java/io/legado/app/help/IntentHelp.kt b/app/src/main/java/io/legado/app/help/IntentHelp.kt
index 815867694..d02e13392 100644
--- a/app/src/main/java/io/legado/app/help/IntentHelp.kt
+++ b/app/src/main/java/io/legado/app/help/IntentHelp.kt
@@ -21,6 +21,17 @@ object IntentHelp {
         }
     }
 
+    fun toInstallUnknown(context: Context) {
+        try {
+            val intent = Intent()
+            intent.action = "android.settings.MANAGE_UNKNOWN_APP_SOURCES"
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            context.startActivity(intent)
+        } catch (ignored: Exception) {
+            context.toast("无法打开设置")
+        }
+    }
+
     inline fun <reified T> servicePendingIntent(context: Context, action: String): PendingIntent? {
         return PendingIntent.getService(
             context,
diff --git a/app/src/main/java/io/legado/app/help/permission/Permissions.kt b/app/src/main/java/io/legado/app/help/permission/Permissions.kt
index e1c0893e3..236691f7f 100644
--- a/app/src/main/java/io/legado/app/help/permission/Permissions.kt
+++ b/app/src/main/java/io/legado/app/help/permission/Permissions.kt
@@ -36,10 +36,12 @@ object Permissions {
     const val WRITE_EXTERNAL_STORAGE = "android.permission.WRITE_EXTERNAL_STORAGE"
 
     object Group {
-        val CALENDAR = arrayOf(READ_CALENDAR, WRITE_CALENDAR)
+        val STORAGE = arrayOf(READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE)
 
         val CAMERA = arrayOf(Permissions.CAMERA)
 
+        val CALENDAR = arrayOf(READ_CALENDAR, WRITE_CALENDAR)
+
         val CONTACTS = arrayOf(READ_CONTACTS, WRITE_CONTACTS, GET_ACCOUNTS)
 
         val LOCATION = arrayOf(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION)
@@ -65,8 +67,5 @@ object Permissions {
             RECEIVE_WAP_PUSH,
             RECEIVE_MMS
         )
-
-        val STORAGE = arrayOf(READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE)
     }
-
 }
diff --git a/app/src/main/java/io/legado/app/service/WebService.kt b/app/src/main/java/io/legado/app/service/WebService.kt
index 012623865..60ce40004 100644
--- a/app/src/main/java/io/legado/app/service/WebService.kt
+++ b/app/src/main/java/io/legado/app/service/WebService.kt
@@ -34,7 +34,6 @@ class WebService : BaseService() {
                 context.startService(intent)
             }
         }
-
     }
 
     private var httpServer: HttpServer? = null
diff --git a/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt b/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt
index 52d197a08..a926a8ae2 100644
--- a/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt
@@ -19,7 +19,7 @@ class ConfigActivity : VMBaseActivity<ConfigViewModel>(R.layout.activity_config)
 
         when (viewModel.configType) {
             ConfigViewModel.TYPE_CONFIG -> {
-                title_bar.title = getString(R.string.setting)
+                title_bar.title = getString(R.string.other_setting)
                 val fTag = "configFragment"
                 var configFragment = supportFragmentManager.findFragmentByTag(fTag)
                 if (configFragment == null) configFragment = ConfigFragment()
diff --git a/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
index 642a57578..a47fb4360 100644
--- a/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
@@ -100,18 +100,14 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
                         .setMessage("是否确认恢复？")
                         .setPositiveButton(R.string.ok) { _, _ ->
                             preferenceManager.sharedPreferences.edit()
+                                    // light mode
                                 .putInt("colorPrimary", getCompatColor(R.color.md_light_blue_500))
                                 .putInt("colorAccent", getCompatColor(R.color.md_pink_800))
                                 .putInt("colorBackground", getCompatColor(R.color.md_grey_100))
-                                .putInt(
-                                    "colorPrimaryNight",
-                                    getCompatColor(R.color.md_blue_grey_600)
-                                )
-                                .putInt(
-                                    "colorAccentNight",
-                                    getCompatColor(R.color.md_deep_orange_800)
-                                )
-                                .putInt("colorBackgroundNight", getCompatColor(R.color.md_grey_800))
+                                    // dark mode
+                                .putInt("colorPrimaryNight", getCompatColor(R.color.md_grey_900))
+                                .putInt("colorAccentNight", getCompatColor(R.color.md_deep_orange_800))
+                                .putInt("colorBackgroundNight", getCompatColor(R.color.md_black_1000))
                                 .apply()
                             App.INSTANCE.applyTheme()
                             recreateActivities()
diff --git a/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt
index a29c34057..1e4d34a73 100644
--- a/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt
@@ -1,9 +1,8 @@
 package io.legado.app.ui.config
 
-import android.content.Intent
+import android.content.Context
 import android.os.Build
 import android.os.Bundle
-import android.provider.Settings
 import android.text.InputType
 import android.view.View
 import androidx.preference.EditTextPreference
@@ -11,6 +10,7 @@ import androidx.preference.ListPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import io.legado.app.R
+import io.legado.app.help.IntentHelp
 import io.legado.app.help.permission.Permissions
 import io.legado.app.help.permission.PermissionsCompat
 import io.legado.app.help.storage.Backup
@@ -21,12 +21,22 @@ import io.legado.app.lib.dialogs.noButton
 import io.legado.app.lib.dialogs.yesButton
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.accentColor
+import io.legado.app.utils.LogUtils
 import io.legado.app.utils.applyTint
 import io.legado.app.utils.getPrefString
 
 class WebDavConfigFragment : PreferenceFragmentCompat(), Preference.OnPreferenceChangeListener {
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        fun bindPreferenceSummaryToValue(preference: Preference?) {
+            preference?.apply {
+                onPreferenceChangeListener = this@WebDavConfigFragment
+                onPreferenceChange(
+                    this,
+                    context.getPrefString(key)
+                )
+            }
+        }
         addPreferencesFromResource(R.xml.pref_config_web_dav)
         findPreference<EditTextPreference>("web_dav_url")?.let {
             it.setOnBindEditTextListener { editText ->
@@ -82,47 +92,49 @@ class WebDavConfigFragment : PreferenceFragmentCompat(), Preference.OnPreference
         return true
     }
 
-    private fun bindPreferenceSummaryToValue(preference: Preference?) {
-        preference?.apply {
-            onPreferenceChangeListener = this@WebDavConfigFragment
-            onPreferenceChange(
-                this,
-                context.getPrefString(key)
-            )
-        }
-    }
-
     override fun onPreferenceTreeClick(preference: Preference?): Boolean {
         when (preference?.key) {
-            "web_dav_backup" -> Backup.backup()
-            "web_dav_restore" -> WebDavHelp.showRestoreDialog(requireContext())
-            "import_old" -> importOld()
+            "web_dav_backup" -> PermissionsCompat.Builder(this)
+                .addPermissions(*Permissions.Group.STORAGE)
+                .rationale(R.string.tip_perm_request_storage)
+                .onGranted { Backup.backup() }
+                .request()
+            "web_dav_restore" -> PermissionsCompat.Builder(this)
+                .addPermissions(*Permissions.Group.STORAGE)
+                .rationale(R.string.tip_perm_request_storage)
+                .onGranted {
+                    WebDavHelp.showRestoreDialog(requireContext())
+                }
+                .request()
+            "import_old" -> needInstallApps { importOld() }
         }
         return super.onPreferenceTreeClick(preference)
     }
 
-    private fun importOld() {
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.P) {
-            val haveInstallPermission = context!!.packageManager.canRequestPackageInstalls()
-            if (haveInstallPermission) {
-                startImport()
-            } else { //没有安装外部来源应用的权限
-                alert(title = "开启权限提示") {
-                    message = "需要打开「安装外部来源应用」权限才能导入旧版数据，请去设置中开启"
-                    yesButton {
-                        val intent = Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES)
-                        startActivityForResult(intent, 666)
-                    }
-                    noButton {
-                    }
-                }.show().applyTint()
+    private fun needInstallApps(callback: () -> Unit) {
+
+        fun canRequestPackageInstalls() :Boolean {
+            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.P) {
+                return requireContext().packageManager.canRequestPackageInstalls()
             }
+            return true
+        }
+        if (!canRequestPackageInstalls()) {
+            alert(title = "开启权限提示") {
+                message = "需要打开「安装外部来源应用」权限才能导入旧版数据，请去设置中开启"
+                yesButton {
+                    IntentHelp.toInstallUnknown(requireContext())
+                }
+                noButton {
+                }
+            }.show().applyTint()
         } else {
-            startImport()
+            LogUtils.d("xxx","import old")
+            callback()
         }
     }
 
-    private fun startImport() {
+    private fun importOld() {
         alert(title = "导入") {
             message = "是否导入旧版本数据"
             yesButton {
@@ -138,5 +150,4 @@ class WebDavConfigFragment : PreferenceFragmentCompat(), Preference.OnPreference
             }
         }.show().applyTint()
     }
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
index b2747f97e..b84538aa1 100644
--- a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
@@ -16,6 +16,7 @@ import io.legado.app.help.permission.PermissionsCompat
 import io.legado.app.help.storage.Backup
 import io.legado.app.help.storage.WebDavHelp
 import io.legado.app.lib.theme.ATH
+import io.legado.app.service.WebService
 import io.legado.app.ui.about.AboutActivity
 import io.legado.app.ui.about.DonateActivity
 import io.legado.app.ui.book.source.manage.BookSourceActivity
@@ -23,7 +24,9 @@ import io.legado.app.ui.config.ConfigActivity
 import io.legado.app.ui.config.ConfigViewModel
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
 import io.legado.app.utils.LogUtils
+import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.startActivity
+import io.legado.app.utils.toast
 import kotlinx.android.synthetic.main.view_title_bar.*
 import org.jetbrains.anko.startActivity
 
@@ -79,12 +82,18 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config) {
             super.onPause()
         }
 
-        override fun onSharedPreferenceChanged(
-            sharedPreferences: SharedPreferences?,
-            key: String?
-        ) {
+        override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
             when (key) {
                 "isNightTheme" -> App.INSTANCE.applyDayNight()
+                "webService" -> {
+                    if (requireContext().getPrefBoolean("webService")) {
+                        WebService.start(requireContext())
+                        toast("正在启动服务\n具体信息查看通知栏")
+                    }else{
+                        WebService.stop(requireContext())
+                        toast("服务已停止")
+                    }
+                }
                 "recordLog" -> LogUtils.upLevel()
                 "downloadPath" -> BookHelp.upDownloadPath()
             }
diff --git a/app/src/main/java/io/legado/app/utils/ContextExtensions.kt b/app/src/main/java/io/legado/app/utils/ContextExtensions.kt
index c51be0b80..9642814de 100644
--- a/app/src/main/java/io/legado/app/utils/ContextExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/ContextExtensions.kt
@@ -7,11 +7,8 @@ import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
 import androidx.core.content.ContextCompat
 import androidx.core.content.edit
-import org.jetbrains.anko.connectivityManager
 import org.jetbrains.anko.defaultSharedPreferences
 
-fun Context.isOnline() = connectivityManager.activeNetworkInfo?.isConnected == true
-
 fun Context.getPrefBoolean(key: String, defValue: Boolean = false) =
     defaultSharedPreferences.getBoolean(key, defValue)
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f4786808e..123967b0a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -202,7 +202,7 @@
     <string name="replace_rule_summary">替换规则名称</string>
     <string name="select_action">选择操作</string>
     <string name="select_all">全选</string>
-    <string name="dark_theme">暗色主题</string>
+    <string name="dark_theme">深色模式</string>
     <string name="welcome">启动页</string>
     <string name="download_start">开始下载</string>
     <string name="download_cancel">取消下载</string>
diff --git a/app/src/main/res/xml/pref_config_theme.xml b/app/src/main/res/xml/pref_config_theme.xml
index 607359962..e96124472 100644
--- a/app/src/main/res/xml/pref_config_theme.xml
+++ b/app/src/main/res/xml/pref_config_theme.xml
@@ -57,7 +57,7 @@
         app:iconSpaceReserved="false">
 
         <io.legado.app.lib.theme.prefs.ATEColorPreference
-            android:defaultValue="@color/md_blue_grey_600"
+            android:defaultValue="@color/md_grey_900"
             android:key="colorPrimaryNight"
             android:summary="夜间，主色调"
             android:title="主色调"
@@ -73,7 +73,7 @@
             app:iconSpaceReserved="false" />
 
         <io.legado.app.lib.theme.prefs.ATEColorPreference
-            android:defaultValue="@color/md_grey_800"
+            android:defaultValue="@color/md_black_1000"
             android:key="colorBackgroundNight"
             android:summary="夜间，背景色"
             android:title="背景色"