优化

app/src/main/res/xml/pref_config_web_dav.xml

@@ -1,29 +1,33 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.preference.PreferenceScreen
-        xmlns:android="http://schemas.android.com/apk/res/android">
+        xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <androidx.preference.EditTextPreference
         android:key="web_dav_url"
         android:title="WebDav 服务器地址"
         android:summary="输入你的服务器地址"
-        android:singleLine="true"/>
+        android:singleLine="true"
+        app:iconSpaceReserved="false"/>
 
     <androidx.preference.EditTextPreference
         android:key="web_dav_account"
         android:title="WebDav 账号"
         android:summary="输入你的WebDav账号"
-        android:singleLine="true"/>
+        android:singleLine="true"
+        app:iconSpaceReserved="false"/>
 
     <androidx.preference.EditTextPreference
         android:key="web_dav_password"
         android:title="WebDav 密码"
         android:summary="输入你的WebDav授权密码"
         android:singleLine="true"
-        android:password="true" />
+        android:password="true"
+        app:iconSpaceReserved="false"/>
 
     <androidx.preference.Preference
         android:key="web_dav_restore"
         android:title="恢复"
-        android:summary="从WebDav恢复"/>
+        android:summary="从WebDav恢复"
+        app:iconSpaceReserved="false"/>
 
 </androidx.preference.PreferenceScreen>