diff --git a/app/src/main/java/io/legado/app/ui/read/ReadActivity.kt b/app/src/main/java/io/legado/app/ui/read/ReadActivity.kt
index 1d2b6dd4b..ed29d2692 100644
--- a/app/src/main/java/io/legado/app/ui/read/ReadActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/read/ReadActivity.kt
@@ -129,7 +129,7 @@ class ReadActivity : VMBaseActivity<ReadViewModel>(R.layout.activity_read) {
             }
 
             override fun toast(id: Int) {
-                toast(id)
+                this@ReadActivity.toast(id)
             }
 
             override fun dismiss() {
diff --git a/app/src/main/java/io/legado/app/ui/read/ReadBottomMenu.kt b/app/src/main/java/io/legado/app/ui/read/ReadBottomMenu.kt
index b46f53098..196d86e9d 100644
--- a/app/src/main/java/io/legado/app/ui/read/ReadBottomMenu.kt
+++ b/app/src/main/java/io/legado/app/ui/read/ReadBottomMenu.kt
@@ -9,7 +9,6 @@ import io.legado.app.utils.gone
 import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.view_read_bottom_menu.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
-import org.jetbrains.anko.sdk27.listeners.onLongClick
 
 class ReadBottomMenu : FrameLayout {
 
@@ -76,24 +75,12 @@ class ReadBottomMenu : FrameLayout {
 
         //自动翻页
         fabAutoPage.onClick { callback?.autoPage() }
-        fabAutoPage.onLongClick {
-            callback?.toast(R.string.auto_next_page)
-            true
-        }
 
         //替换
         fabReplaceRule.onClick { callback?.openReplaceRule() }
-        fabReplaceRule.onLongClick {
-            callback?.toast(R.string.replace_rule_title)
-            true
-        }
 
         //夜间模式
         fabNightTheme.onClick { callback?.setNightTheme() }
-        fabNightTheme.onLongClick {
-            callback?.toast(R.string.night_theme)
-            true
-        }
 
         //上一章
         tv_pre.onClick { callback?.skipPreChapter() }
diff --git a/app/src/main/res/layout/view_read_bottom_menu.xml b/app/src/main/res/layout/view_read_bottom_menu.xml
index c7f3aa4a2..7dc266d02 100644
--- a/app/src/main/res/layout/view_read_bottom_menu.xml
+++ b/app/src/main/res/layout/view_read_bottom_menu.xml
@@ -23,10 +23,12 @@
             android:contentDescription="@string/set_timer"
             android:src="@drawable/ic_timer_black_24dp"
             android:tint="@color/tv_text_default"
+            android:tooltipText="@string/set_timer"
             app:backgroundTint="@color/background_menu"
             app:elevation="2dp"
             app:fabSize="mini"
-            app:pressedTranslationZ="2dp" />
+            app:pressedTranslationZ="2dp"
+            tools:ignore="UnusedAttribute" />
 
         <androidx.cardview.widget.CardView
             android:layout_width="wrap_content"
@@ -62,10 +64,12 @@
             android:contentDescription="@string/read_aloud"
             android:src="@drawable/ic_read_aloud"
             android:tint="@color/tv_text_default"
+            android:tooltipText="@string/read_aloud"
             app:backgroundTint="@color/background_menu"
             app:elevation="2dp"
             app:fabSize="mini"
-            app:pressedTranslationZ="2dp" />
+            app:pressedTranslationZ="2dp"
+            tools:ignore="UnusedAttribute" />
 
         <Space
             android:layout_width="0dp"
@@ -80,10 +84,12 @@
             android:contentDescription="@string/auto_next_page"
             android:src="@drawable/ic_auto_page"
             android:tint="@color/tv_text_default"
+            android:tooltipText="@string/auto_next_page"
             app:backgroundTint="@color/background_menu"
             app:elevation="2dp"
             app:fabSize="mini"
-            app:pressedTranslationZ="2dp" />
+            app:pressedTranslationZ="2dp"
+            tools:ignore="UnusedAttribute" />
 
         <Space
             android:layout_width="0dp"
@@ -98,10 +104,12 @@
             android:contentDescription="@string/replace_rule_title"
             android:src="@drawable/ic_find_replace"
             android:tint="@color/tv_text_default"
+            android:tooltipText="@string/replace_rule_title"
             app:backgroundTint="@color/background_menu"
             app:elevation="2dp"
             app:fabSize="mini"
-            app:pressedTranslationZ="2dp" />
+            app:pressedTranslationZ="2dp"
+            tools:ignore="UnusedAttribute" />
 
         <Space
             android:layout_width="0dp"
@@ -116,10 +124,12 @@
             android:contentDescription="@string/night_theme"
             android:src="@drawable/ic_brightness"
             android:tint="@color/tv_text_default"
+            android:tooltipText="@string/night_theme"
             app:backgroundTint="@color/background_menu"
             app:elevation="2dp"
             app:fabSize="mini"
-            app:pressedTranslationZ="2dp" />
+            app:pressedTranslationZ="2dp"
+            tools:ignore="UnusedAttribute" />
 
     </LinearLayout>