diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
index 8fe683273..5d61aefe1 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
@@ -54,8 +54,8 @@ class BgTextConfigDialog : DialogFragment() {
             it.windowManager?.defaultDisplay?.getMetrics(dm)
         }
         dialog?.window?.let {
-            it.setBackgroundDrawableResource(R.color.transparent)
-            it.decorView.setPadding(0, 0, 0, 0)
+            it.setBackgroundDrawableResource(R.color.background)
+            it.decorView.setPadding(0, 5, 0, 0)
             val attr = it.attributes
             attr.dimAmount = 0.0f
             attr.gravity = Gravity.BOTTOM
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
index 3251cfc94..e18f32c0b 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
@@ -29,8 +29,8 @@ class MoreConfigDialog : DialogFragment() {
             it.windowManager?.defaultDisplay?.getMetrics(dm)
         }
         dialog?.window?.let {
-            it.setBackgroundDrawableResource(R.color.transparent)
-            it.decorView.setPadding(0, 0, 0, 0)
+            it.setBackgroundDrawableResource(R.color.background)
+            it.decorView.setPadding(0, 5, 0, 0)
             val attr = it.attributes
             attr.dimAmount = 0.0f
             attr.gravity = Gravity.BOTTOM
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt
index fe04055e9..19ce7e100 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/PaddingConfigDialog.kt
@@ -26,8 +26,6 @@ class PaddingConfigDialog : DialogFragment() {
             it.windowManager?.defaultDisplay?.getMetrics(dm)
         }
         dialog?.window?.let {
-            it.setBackgroundDrawableResource(R.color.transparent)
-            it.decorView.setPadding(0, 0, 0, 0)
             val attr = it.attributes
             attr.dimAmount = 0.0f
             it.attributes = attr
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 3bc5060b0..8a1327a85 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
@@ -37,8 +37,8 @@ class ReadStyleDialog : DialogFragment(), FontSelectDialog.CallBack {
             it.windowManager?.defaultDisplay?.getMetrics(dm)
         }
         dialog?.window?.let {
-            it.setBackgroundDrawableResource(R.color.transparent)
-            it.decorView.setPadding(0, 0, 0, 0)
+            it.setBackgroundDrawableResource(R.color.background)
+            it.decorView.setPadding(0, 5, 0, 0)
             val attr = it.attributes
             attr.dimAmount = 0.0f
             attr.gravity = Gravity.BOTTOM