diff --git a/app/src/main/java/com/bintianqi/owndroid/ManageSpaceActivity.kt b/app/src/main/java/com/bintianqi/owndroid/ManageSpaceActivity.kt
index 6beaaaf..2027a6d 100644
--- a/app/src/main/java/com/bintianqi/owndroid/ManageSpaceActivity.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/ManageSpaceActivity.kt
@@ -60,7 +60,7 @@ class ManageSpaceActivity: FragmentActivity() {
             dataDir.resolve("shared_prefs").deleteRecursively()
         } else {
             val sharedPref = applicationContext.getSharedPreferences("data", MODE_PRIVATE)
-            sharedPref.edit { clear() }
+            sharedPref.edit(true) { clear() }
         }
         this.showOperationResultToast(true)
         finish()
diff --git a/app/src/main/java/com/bintianqi/owndroid/Settings.kt b/app/src/main/java/com/bintianqi/owndroid/Settings.kt
index e797557..112df0f 100644
--- a/app/src/main/java/com/bintianqi/owndroid/Settings.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/Settings.kt
@@ -347,7 +347,7 @@ fun NotificationsScreen(onNavigateUp: () -> Unit) = MyScaffold(R.string.notifica
         NotificationUtils.ID.SYSTEM_UPDATE_PENDING to R.string.system_update_pending
     )
     map.forEach { (k, v) ->
-        SwitchItem(v, getState = { sp.getBoolean("n_$k", true) }, onCheckedChange = { sp.edit { putBoolean("n_$k", it) } })
+        SwitchItem(v, getState = { sp.getBoolean("n_$k", true) }, onCheckedChange = { sp.edit(true) { putBoolean("n_$k", it) } })
     }
 }
 
diff --git a/app/src/main/java/com/bintianqi/owndroid/SharedPrefs.kt b/app/src/main/java/com/bintianqi/owndroid/SharedPrefs.kt
index f75a5dc..2dd9369 100644
--- a/app/src/main/java/com/bintianqi/owndroid/SharedPrefs.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/SharedPrefs.kt
@@ -31,19 +31,19 @@ private class BooleanSharedPref(val key: String, val defValue: Boolean = false):
     override fun getValue(thisRef: SharedPrefs, property: KProperty<*>): Boolean =
         thisRef.sharedPrefs.getBoolean(key, defValue)
     override fun setValue(thisRef: SharedPrefs, property: KProperty<*>, value: Boolean) =
-        thisRef.sharedPrefs.edit { putBoolean(key, value) }
+        thisRef.sharedPrefs.edit(true) { putBoolean(key, value) }
 }
 
 private class StringSharedPref(val key: String): ReadWriteProperty<SharedPrefs, String?> {
     override fun getValue(thisRef: SharedPrefs, property: KProperty<*>): String? =
         thisRef.sharedPrefs.getString(key, null)
     override fun setValue(thisRef: SharedPrefs, property: KProperty<*>, value: String?) =
-        thisRef.sharedPrefs.edit { putString(key, value) }
+        thisRef.sharedPrefs.edit(true) { putString(key, value) }
 }
 
 private class IntSharedPref(val key: String, val defValue: Int = 0): ReadWriteProperty<SharedPrefs, Int> {
     override fun getValue(thisRef: SharedPrefs, property: KProperty<*>): Int =
         thisRef.sharedPrefs.getInt(key, defValue)
     override fun setValue(thisRef: SharedPrefs, property: KProperty<*>, value: Int) =
-        thisRef.sharedPrefs.edit { putInt(key, value) }
+        thisRef.sharedPrefs.edit(true) { putInt(key, value) }
 }