diff --git a/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java
index 4d2d7b745..587555f06 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/GalleryActivity.java
@@ -370,6 +370,9 @@ public class GalleryActivity extends EhActivity implements SeekBar.OnSeekBarChan
             case 2:
                 orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
                 break;
+            case 3:
+                orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR;
+                break;
         }
         setRequestedOrientation(orientation);
 
@@ -841,6 +844,9 @@ public class GalleryActivity extends EhActivity implements SeekBar.OnSeekBarChan
                 case 2:
                     orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
                     break;
+                case 3:
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR;
+                    break;
             }
             setRequestedOrientation(orientation);
             mGalleryView.setLayoutMode(layoutMode);
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 4098210d8..53cca4265 100755
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -465,6 +465,7 @@
     <string name="settings_read_screen_rotation_default">系统默认</string>
     <string name="settings_read_screen_rotation_portrait">竖屏</string>
     <string name="settings_read_screen_rotation_landscape">横屏</string>
+    <string name="settings_read_screen_rotation_sensor">自动旋转</string>
     <string name="settings_read_reading_direction">阅读方向</string>
     <string name="settings_read_reading_direction_left_to_right">从左至右</string>
     <string name="settings_read_reading_direction_right_to_Left">从右至左</string>
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index c37adb1a9..29f5eaded 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -156,12 +156,14 @@
         <item>@string/settings_read_screen_rotation_default</item>
         <item>@string/settings_read_screen_rotation_portrait</item>
         <item>@string/settings_read_screen_rotation_landscape</item>
+        <item>@string/settings_read_screen_rotation_sensor</item>
     </string-array>
 
     <string-array name="screen_rotation_entry_values" translatable="false">
         <item>0</item>
         <item>1</item>
         <item>2</item>
+        <item>3</item>
     </string-array>
 
     <string-array name="reading_direction_entries">
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f97fd72ff..cc5e9d235 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -510,6 +510,7 @@
     <string name="settings_read_screen_rotation_default">Default</string>
     <string name="settings_read_screen_rotation_portrait">Portrait</string>
     <string name="settings_read_screen_rotation_landscape">Landscape</string>
+    <string name="settings_read_screen_rotation_sensor">Auto rotate</string>
     <string name="settings_read_reading_direction">Reading direction</string>
     <string name="settings_read_reading_direction_left_to_right">Left to right</string>
     <string name="settings_read_reading_direction_right_to_Left">Right to left</string>