diff --git a/app/src/main/java/io/neoterm/component/color/NeoColorScheme.kt b/app/src/main/java/io/neoterm/component/color/NeoColorScheme.kt
index 8773ec9..01f661b 100644
--- a/app/src/main/java/io/neoterm/component/color/NeoColorScheme.kt
+++ b/app/src/main/java/io/neoterm/component/color/NeoColorScheme.kt
@@ -58,7 +58,7 @@ open class NeoColorScheme {
 
     fun loadConfigure(file: File): Boolean {
         // TODO: Refactor with NeoExtraKey#loadConfigure
-        val loaderService = ComponentManager.getService<ConfigureComponent>()
+        val loaderService = ComponentManager.getComponent<ConfigureComponent>()
 
         val configure: NeoConfigureFile?
         try {
diff --git a/app/src/main/java/io/neoterm/component/eks/NeoExtraKey.kt b/app/src/main/java/io/neoterm/component/eks/NeoExtraKey.kt
index ef14219..d343805 100644
--- a/app/src/main/java/io/neoterm/component/eks/NeoExtraKey.kt
+++ b/app/src/main/java/io/neoterm/component/eks/NeoExtraKey.kt
@@ -44,7 +44,7 @@ class NeoExtraKey {
 
     fun loadConfigure(file: File): Boolean {
         // TODO: Refactor with NeoColorScheme#loadConfigure
-        val loaderService = ComponentManager.getService<ConfigureComponent>()
+        val loaderService = ComponentManager.getComponent<ConfigureComponent>()
 
         val configure: NeoConfigureFile?
         try {
diff --git a/app/src/main/java/io/neoterm/component/pm/NeoPackageComponent.java b/app/src/main/java/io/neoterm/component/pm/NeoPackageComponent.java
index a9dec7f..3858bb4 100644
--- a/app/src/main/java/io/neoterm/component/pm/NeoPackageComponent.java
+++ b/app/src/main/java/io/neoterm/component/pm/NeoPackageComponent.java
@@ -29,7 +29,11 @@ public class NeoPackageComponent implements NeoComponent {
         return queryEnabled ? neoPackages.size() : -1;
     }
 
-    public void refreshPackageList(File packageListFile, boolean clearPrevious) throws IOException {
+    public SourceManager getSourceManager() {
+        return new SourceManager();
+    }
+
+    public void reloadPackages(File packageListFile, boolean clearPrevious) throws IOException {
         synchronized (lock) {
             if (isRefreshing) {
                 return;
diff --git a/app/src/main/java/io/neoterm/component/pm/SourceManager.kt b/app/src/main/java/io/neoterm/component/pm/SourceManager.kt
new file mode 100644
index 0000000..a8bf7d1
--- /dev/null
+++ b/app/src/main/java/io/neoterm/component/pm/SourceManager.kt
@@ -0,0 +1,27 @@
+package io.neoterm.component.pm
+
+import io.neoterm.App
+import io.neoterm.R
+import io.neoterm.frontend.preference.NeoPreference
+
+/**
+ * @author kiva
+ */
+class SourceManager internal constructor() {
+    val sources = mutableSetOf<String>()
+
+    init {
+        NeoPreference.loadStrings(NeoPreference.KEY_SOURCES).mapTo(sources, { it })
+        if (sources.isEmpty()) {
+            sources.addAll(App.get().resources.getStringArray(R.array.pref_package_source_values))
+        }
+    }
+
+    fun addSource(sourceUrl: String) {
+        sources.add(sourceUrl)
+    }
+
+    fun applyChanges() {
+        NeoPreference.storeStrings(NeoPreference.KEY_SOURCES, sources)
+    }
+}
diff --git a/app/src/main/java/io/neoterm/frontend/client/TermViewClient.kt b/app/src/main/java/io/neoterm/frontend/client/TermViewClient.kt
index 466b3e4..9348930 100644
--- a/app/src/main/java/io/neoterm/frontend/client/TermViewClient.kt
+++ b/app/src/main/java/io/neoterm/frontend/client/TermViewClient.kt
@@ -203,7 +203,7 @@ class TermViewClient(val context: Context) : TerminalViewClient {
 
         if (lastTitle != title || force) {
             removeSuggestions()
-            ComponentManager.getService<ExtraKeysComponent>().showShortcutKeys(title, extraKeysView)
+            ComponentManager.getComponent<ExtraKeysComponent>().showShortcutKeys(title, extraKeysView)
             extraKeysView.updateButtons()
             lastTitle = title
         }
diff --git a/app/src/main/java/io/neoterm/frontend/completion/view/CandidatePopupWindow.kt b/app/src/main/java/io/neoterm/frontend/completion/view/CandidatePopupWindow.kt
index fd17249..587df86 100644
--- a/app/src/main/java/io/neoterm/frontend/completion/view/CandidatePopupWindow.kt
+++ b/app/src/main/java/io/neoterm/frontend/completion/view/CandidatePopupWindow.kt
@@ -135,7 +135,7 @@ class CandidatePopupWindow(val context: Context) {
         val splitView: View = rootView.findViewById(R.id.complete_split)
 
         init {
-            val colorScheme = ComponentManager.getService<ColorSchemeComponent>().getCurrentColorScheme()
+            val colorScheme = ComponentManager.getComponent<ColorSchemeComponent>().getCurrentColorScheme()
             val textColor = TerminalColors.parse(colorScheme.foregroundColor)
             display.setTextColor(textColor)
             description.setTextColor(textColor)
diff --git a/app/src/main/java/io/neoterm/frontend/component/ComponentManager.kt b/app/src/main/java/io/neoterm/frontend/component/ComponentManager.kt
index df28afd..dbc85c0 100644
--- a/app/src/main/java/io/neoterm/frontend/component/ComponentManager.kt
+++ b/app/src/main/java/io/neoterm/frontend/component/ComponentManager.kt
@@ -25,7 +25,7 @@ object ComponentManager {
         }
     }
 
-    inline fun <reified T : NeoComponent> getService(): T {
+    inline fun <reified T : NeoComponent> getComponent(): T {
         val serviceInterface = T::class.java
         val service: NeoComponent = COMPONENTS[serviceInterface] ?:
                 throw ComponentNotFoundException(serviceInterface.simpleName)
diff --git a/app/src/main/java/io/neoterm/frontend/floating/TerminalDialog.kt b/app/src/main/java/io/neoterm/frontend/floating/TerminalDialog.kt
index 02f7900..195d638 100644
--- a/app/src/main/java/io/neoterm/frontend/floating/TerminalDialog.kt
+++ b/app/src/main/java/io/neoterm/frontend/floating/TerminalDialog.kt
@@ -4,9 +4,9 @@ import android.app.AlertDialog
 import android.content.Context
 import android.content.DialogInterface
 import io.neoterm.backend.TerminalSession
-import io.neoterm.frontend.shell.ShellParameter
 import io.neoterm.frontend.client.BasicSessionCallback
 import io.neoterm.frontend.client.BasicViewClient
+import io.neoterm.frontend.shell.ShellParameter
 import io.neoterm.utils.TerminalUtils
 
 /**
@@ -76,7 +76,6 @@ class TerminalDialog(val context: Context) {
 
     fun show(title: String?) {
         dialog?.setTitle(title)
-        dialog?.setCancelable(false)
         dialog?.setCanceledOnTouchOutside(false)
         dialog?.show()
     }
diff --git a/app/src/main/java/io/neoterm/frontend/preference/NeoPreference.kt b/app/src/main/java/io/neoterm/frontend/preference/NeoPreference.kt
index a6be237..2c50d2a 100644
--- a/app/src/main/java/io/neoterm/frontend/preference/NeoPreference.kt
+++ b/app/src/main/java/io/neoterm/frontend/preference/NeoPreference.kt
@@ -23,6 +23,7 @@ object NeoPreference {
     const val KEY_FONT_SIZE = "neoterm_general_font_size"
     const val KEY_CURRENT_SESSION = "neoterm_service_current_session"
     const val KEY_SYSTEM_SHELL = "neoterm_core_system_shell"
+    const val KEY_SOURCES = "neoterm_source_source_list"
 //    const val KEY_FLOATING_WINDOW_X = "neoterm_floating_window_x"
 //    const val KEY_FLOATING_WINDOW_Y = "neoterm_floating_window_y"
 //    const val KEY_FLOATING_WIDTH = "neoterm_floating_window_width"
@@ -61,6 +62,14 @@ object NeoPreference {
         }
     }
 
+    fun storeStrings(key: String, value: Set<String>) {
+        preference!!.edit().putStringSet(key, value).apply()
+    }
+
+    fun loadStrings(key: String) : Set<String> {
+        return preference!!.getStringSet(key, setOf())
+    }
+
     fun store(key: Int, value: Any) {
         store(App.get().getString(key), value)
     }
diff --git a/app/src/main/java/io/neoterm/ui/customize/CustomizeActivity.kt b/app/src/main/java/io/neoterm/ui/customize/CustomizeActivity.kt
index 9e2bb33..fb8bce1 100644
--- a/app/src/main/java/io/neoterm/ui/customize/CustomizeActivity.kt
+++ b/app/src/main/java/io/neoterm/ui/customize/CustomizeActivity.kt
@@ -56,8 +56,8 @@ class CustomizeActivity : BaseCustomizeActivity() {
     }
 
     private fun setupSpinners() {
-        val fontComponent = ComponentManager.getService<FontComponent>()
-        val colorSchemeComponent = ComponentManager.getService<ColorSchemeComponent>()
+        val fontComponent = ComponentManager.getComponent<FontComponent>()
+        val colorSchemeComponent = ComponentManager.getComponent<ColorSchemeComponent>()
 
         setupSpinner(R.id.custom_font_spinner, fontComponent.getFontNames(),
                 fontComponent.getCurrentFontName(), object : AdapterView.OnItemSelectedListener {
diff --git a/app/src/main/java/io/neoterm/ui/pm/PackageManagerActivity.kt b/app/src/main/java/io/neoterm/ui/pm/PackageManagerActivity.kt
index ca977c4..922a1a3 100644
--- a/app/src/main/java/io/neoterm/ui/pm/PackageManagerActivity.kt
+++ b/app/src/main/java/io/neoterm/ui/pm/PackageManagerActivity.kt
@@ -3,7 +3,6 @@ package io.neoterm.ui.pm
 import android.animation.Animator
 import android.animation.AnimatorListenerAdapter
 import android.animation.ObjectAnimator
-import android.annotation.SuppressLint
 import android.os.Bundle
 import android.support.v4.view.MenuItemCompat
 import android.support.v7.app.AlertDialog
@@ -23,12 +22,13 @@ import com.github.wrdlbrnft.sortedlistadapter.SortedListAdapter
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView
 import io.neoterm.R
 import io.neoterm.backend.TerminalSession
-import io.neoterm.component.pm.SourceUtils
 import io.neoterm.component.pm.NeoPackageComponent
+import io.neoterm.component.pm.SourceManager
+import io.neoterm.component.pm.SourceUtils
+import io.neoterm.frontend.component.ComponentManager
 import io.neoterm.frontend.floating.TerminalDialog
 import io.neoterm.frontend.preference.NeoPreference
 import io.neoterm.frontend.preference.NeoTermPath
-import io.neoterm.frontend.component.ComponentManager
 import io.neoterm.ui.pm.adapter.PackageAdapter
 import io.neoterm.ui.pm.model.PackageModel
 import io.neoterm.utils.PackageUtils
@@ -121,57 +121,49 @@ class PackageManagerActivity : AppCompatActivity(), SearchView.OnQueryTextListen
     }
 
     private fun changeSource() {
-        val sourceList = resources.getStringArray(R.array.pref_package_source_values)
+        val sourceManager = ComponentManager.getComponent<NeoPackageComponent>().sourceManager
+        val sourceList = sourceManager.sources
+
         val currentSource = NeoPreference.loadString(R.string.key_package_source, NeoTermPath.DEFAULT_SOURCE)
         var checkedItem = sourceList.indexOf(currentSource)
         if (checkedItem == -1) {
-            checkedItem = sourceList.size - 1
+            // Users may edit source.list on his own
+            checkedItem = sourceList.size
+            sourceManager.addSource(currentSource)
         }
 
-        @SuppressLint("ShowToast")
-        var toast = Toast.makeText(this, "", Toast.LENGTH_SHORT)
         var selectedIndex = 0
-
         AlertDialog.Builder(this)
                 .setTitle(R.string.pref_package_source)
-                .setSingleChoiceItems(R.array.pref_package_source_entries, checkedItem, { dialog, which ->
-                    if (which == sourceList.size - 1) {
-                        changeSourceToUserInput()
-                        dialog.dismiss()
-                    } else {
-                        selectedIndex = which
-                        toast.cancel()
-                        toast = Toast.makeText(this@PackageManagerActivity, sourceList[which], Toast.LENGTH_SHORT)
-                        toast.show()
-                    }
+                .setSingleChoiceItems(sourceList.toTypedArray(), checkedItem, { _, which ->
+                    selectedIndex = which
                 })
                 .setPositiveButton(android.R.string.yes, { _, _ ->
-                    if (selectedIndex != sourceList.size - 1) {
-                        changeSourceInternal(sourceList[selectedIndex])
-                    }
+                    changeSourceInternal(sourceManager, sourceList.elementAt(selectedIndex))
+                })
+                .setNeutralButton(R.string.new_source, { _, _ ->
+                    changeSourceToUserInput(sourceManager)
                 })
                 .setNegativeButton(android.R.string.no, null)
                 .show()
     }
 
-    private fun changeSourceToUserInput() {
+    private fun changeSourceToUserInput(sourceManager: SourceManager) {
         val editText = EditText(this)
-        val currentSource = NeoPreference.loadString(R.string.key_package_source, NeoTermPath.DEFAULT_SOURCE)
-        editText.setText(currentSource)
-        editText.requestFocus()
-        editText.setSelection(0, currentSource.length)
         AlertDialog.Builder(this)
                 .setTitle(R.string.pref_package_source)
                 .setView(editText)
                 .setNegativeButton(android.R.string.no, null)
                 .setPositiveButton(android.R.string.yes, { _, _ ->
                     val source = editText.text.toString()
-                    changeSourceInternal(source)
+                    changeSourceInternal(sourceManager, source)
                 })
                 .show()
     }
 
-    private fun changeSourceInternal(source: String) {
+    private fun changeSourceInternal(sourceManager: SourceManager, source: String) {
+        sourceManager.addSource(source)
+        sourceManager.applyChanges()
         NeoPreference.store(R.string.key_package_source, source)
         PackageUtils.syncSource()
         executeAptUpdate()
@@ -213,12 +205,12 @@ class PackageManagerActivity : AppCompatActivity(), SearchView.OnQueryTextListen
         progressBar.visibility = View.VISIBLE
         progressBar.alpha = 0.0f
         Thread {
-            val pm = ComponentManager.getService<NeoPackageComponent>()
+            val pm = ComponentManager.getComponent<NeoPackageComponent>()
             val sourceFiles = SourceUtils.detectSourceFiles()
 
             pm.clearPackages()
             for (index in sourceFiles.indices) {
-                pm.refreshPackageList(sourceFiles[index], false)
+                pm.reloadPackages(sourceFiles[index], false)
             }
 
             val packages = pm.packages
diff --git a/app/src/main/java/io/neoterm/ui/term/NeoTermRemoteInterface.kt b/app/src/main/java/io/neoterm/ui/term/NeoTermRemoteInterface.kt
index 4ebca6b..d0c41dc 100644
--- a/app/src/main/java/io/neoterm/ui/term/NeoTermRemoteInterface.kt
+++ b/app/src/main/java/io/neoterm/ui/term/NeoTermRemoteInterface.kt
@@ -105,7 +105,7 @@ class NeoTermRemoteInterface : AppCompatActivity(), ServiceConnection {
 
     private fun handleUserScript() {
         val filesToHandle = mutableListOf<String>()
-        val userScriptService = ComponentManager.getService<UserScriptComponent>()
+        val userScriptService = ComponentManager.getComponent<UserScriptComponent>()
         val userScripts = userScriptService.userScripts
         if (userScripts.isEmpty()) {
             App.get().errorDialog(this, R.string.no_user_script_found, { finish() })
diff --git a/app/src/main/java/io/neoterm/ui/term/tab/TermTab.kt b/app/src/main/java/io/neoterm/ui/term/tab/TermTab.kt
index 5774417..b767d05 100644
--- a/app/src/main/java/io/neoterm/ui/term/tab/TermTab.kt
+++ b/app/src/main/java/io/neoterm/ui/term/tab/TermTab.kt
@@ -22,7 +22,7 @@ class TermTab(title: CharSequence) : Tab(title), TermUiPresenter {
     var toolbar: Toolbar? = null
 
     fun updateColorScheme() {
-        val colorSchemeManager = ComponentManager.getService<ColorSchemeComponent>()
+        val colorSchemeManager = ComponentManager.getComponent<ColorSchemeComponent>()
         colorSchemeManager.applyColorScheme(termData.termView, termData.extraKeysView,
                 colorSchemeManager.getCurrentColorScheme())
     }
diff --git a/app/src/main/java/io/neoterm/ui/term/tab/TermTabDecorator.kt b/app/src/main/java/io/neoterm/ui/term/tab/TermTabDecorator.kt
index de0e8a9..fa1851c 100644
--- a/app/src/main/java/io/neoterm/ui/term/tab/TermTabDecorator.kt
+++ b/app/src/main/java/io/neoterm/ui/term/tab/TermTabDecorator.kt
@@ -51,7 +51,7 @@ class TermTabDecorator(val context: NeoTermActivity) : TabSwitcherDecorator() {
         TerminalUtils.setupTerminalView(view)
         TerminalUtils.setupExtraKeysView(extraKeysView)
 
-        val colorSchemeManager = ComponentManager.getService<ColorSchemeComponent>()
+        val colorSchemeManager = ComponentManager.getComponent<ColorSchemeComponent>()
         colorSchemeManager.applyColorScheme(view, extraKeysView, colorSchemeManager.getCurrentColorScheme())
 
         if (tab is TermTab) {
diff --git a/app/src/main/java/io/neoterm/utils/TerminalUtils.kt b/app/src/main/java/io/neoterm/utils/TerminalUtils.kt
index 0ceac3d..10731b9 100644
--- a/app/src/main/java/io/neoterm/utils/TerminalUtils.kt
+++ b/app/src/main/java/io/neoterm/utils/TerminalUtils.kt
@@ -19,7 +19,7 @@ object TerminalUtils {
     fun setupTerminalView(terminalView: TerminalView?, terminalViewClient: TerminalViewClient? = null) {
         terminalView?.textSize = NeoPreference.loadInt(NeoPreference.KEY_FONT_SIZE, 30)
 
-        val fontComponent = ComponentManager.getService<FontComponent>()
+        val fontComponent = ComponentManager.getComponent<FontComponent>()
         fontComponent.applyFont(terminalView, null, fontComponent.getCurrentFont())
 
         if (terminalViewClient != null) {
@@ -28,7 +28,7 @@ object TerminalUtils {
     }
 
     fun setupExtraKeysView(extraKeysView: ExtraKeysView?) {
-        val fontComponent = ComponentManager.getService<FontComponent>()
+        val fontComponent = ComponentManager.getComponent<FontComponent>()
         val font = fontComponent.getCurrentFont()
         fontComponent.applyFont(null, extraKeysView, font)
     }
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 7c6b10e..807c2a6 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -62,11 +62,6 @@
     <string name="done">完成</string>
     <string name="install">安装</string>
 
-    <string-array name="pref_package_source_entries">
-        <item>mirrors.geekpie.org</item>
-        <item>neoterm.studio</item>
-        <item>输入…</item>
-    </string-array>
     <string name="pref_customization_eks">拓展键盘</string>
     <string name="general_settings_desc">响铃，振动，Shell，初始命令</string>
     <string name="ui_settings_desc">全屏，标题栏，切换动画</string>
@@ -124,4 +119,5 @@
     <string name="support_donate_alipay">支付宝</string>
     <string name="new_color_scheme">新建配色方案</string>
     <string name="faq">常见问题</string>
+    <string name="new_source">新建</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index c7bd42f..45d0740 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -62,11 +62,6 @@
     <string name="done">完成</string>
     <string name="install">安裝</string>
 
-    <string-array name="pref_package_source_entries">
-        <item>mirrors.geekpie.org</item>
-        <item>neoterm.studio</item>
-        <item>手動輸入…</item>
-    </string-array>
     <string name="pref_customization_eks">擴充鍵盤</string>
     <string name="general_settings_desc">響鈴，震動，Shell，初始化指令</string>
     <string name="ui_settings_desc">全螢幕，標題欄，切換動畫</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c98444a..c523f93 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -119,6 +119,7 @@
     <string name="about_credits">nullptr for accompanying me\nCoolApk User @NimaQu for providing server\nQQ User @My for providing free network</string>
     <string name="new_color_scheme">New Color Scheme</string>
     <string name="faq">FAQ</string>
+    <string name="new_source">New</string>
 
     <string-array name="pref_general_shell_entries" translatable="false">
         <item>sh</item>
@@ -141,16 +142,14 @@
         <item>System First</item>
     </string-array>
 
-    <string-array name="pref_package_source_entries">
+    <string-array name="pref_package_source_entries" translatable="false">
         <item>mirrors.geekpie.org</item>
         <item>neoterm.studio</item>
-        <item>Input…</item>
     </string-array>
 
     <string-array name="pref_package_source_values" translatable="false">
         <item>https://mirrors.geekpie.org/neoterm</item>
         <item>http://neoterm.studio</item>
-        <item>User-Input</item>
     </string-array>
 
 </resources>