diff --git a/navi-chat/src/main/AndroidManifest.xml b/navi-chat/src/main/AndroidManifest.xml
index 094b4b6945..b51dbc9879 100644
--- a/navi-chat/src/main/AndroidManifest.xml
+++ b/navi-chat/src/main/AndroidManifest.xml
@@ -19,14 +19,17 @@
             android:name=".ui.activities.NaviChatActivity"
             android:exported="false"
             android:launchMode="singleTask"
+            android:screenOrientation="portrait"
             android:theme="@style/BaseThemeStyle" />
         <activity
             android:name=".ui.activities.NaviChatViewImageActivity"
             android:exported="false"
+            android:screenOrientation="portrait"
             android:theme="@style/BaseThemeStyle" />
         <activity
             android:name=".ui.activities.NaviChatViewVideoActivity"
             android:exported="false"
+            android:screenOrientation="portrait"
             android:theme="@style/BaseThemeStyle" />
     </application>