diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
index 38e96af50..88f8fe6fa 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
@@ -13,6 +13,7 @@ import androidx.fragment.app.DialogFragment
 import io.legado.app.R
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
+import io.legado.app.help.AppConfig
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.selector
@@ -202,6 +203,9 @@ class ReadStyleDialog : DialogFragment(), FontSelectDialog.CallBack {
             upBg()
             postEvent(EventBus.UP_CONFIG, true)
         }
+        if (AppConfig.isEInkMode) {
+            toast(R.string.e_ink_change_bg)
+        }
     }
 
     private fun showBgTextConfig(index: Int): Boolean {
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index aee400440..c99435181 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -728,4 +728,5 @@
     <string name="rule_replace_regex">替换规则(replaceRegex)</string>
     <string name="group_name">分組名稱</string>
     <string name="note_content">備註內容</string>
+    <string name="e_ink_change_bg">E-Ink模式下只有白纸黑字,不显示其它背景</string>
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 2c2ef5c0a..cb1451086 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -728,5 +728,6 @@
     <string name="rule_replace_regex">替换规则(replaceRegex)</string>
     <string name="group_name">分組名稱</string>
     <string name="note_content">備註內容</string>
+    <string name="e_ink_change_bg">E-Ink模式下只有白纸黑字,不显示其它背景</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 2c3ab874a..7f3b79003 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -728,4 +728,5 @@
     <string name="rule_replace_regex">替换规则(replaceRegex)</string>
     <string name="group_name">分组名称</string>
     <string name="note_content">备注内容</string>
+    <string name="e_ink_change_bg">E-Ink模式下只有白纸黑字,不显示其它背景</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0a475110f..53c6d8adf 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -729,5 +729,6 @@
     <string name="read_config">Reading interface settings</string>
     <string name="group_name">Group name</string>
     <string name="note_content">Remarks section</string>
+    <string name="e_ink_change_bg">E-Ink模式下只有白纸黑字,不显示其它背景</string>
 
 </resources>
\ No newline at end of file