优化代码

teacher/src/main/AndroidManifest.xml

@@ -121,6 +121,7 @@
         <activity
             android:name=".ui.web.HtmlActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|fontScale|smallestScreenSize|screenLayout|uiMode"
+            android:screenOrientation="locked"
             android:windowSoftInputMode="adjustResize" />
         <activity
             android:name=".ui.web.HtmlHorizontalScreenActivity"