diff --git a/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt
index 52837150d..cbea0803b 100644
--- a/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/WebDavConfigFragment.kt
@@ -46,23 +46,28 @@ class WebDavConfigFragment : PreferenceFragmentCompat(), Preference.OnPreference
     }
 
     override fun onPreferenceChange(preference: Preference?, newValue: Any?): Boolean {
-        newValue?.let {
-            val stringValue = it.toString()
-            if (preference?.key == "web_dav_password") {
-                if (stringValue.isBlank()) {
-                    preference.summary = getString(R.string.web_dav_pw_s)
-                } else {
-                    preference.summary = "*".repeat(stringValue.length)
-                }
+        when {
+            preference?.key == "web_dav_password" -> if (newValue == null) {
+                preference.summary = getString(R.string.web_dav_pw_s)
+            } else {
+                preference.summary = "*".repeat(newValue.toString().length)
+            }
+            preference?.key == "web_dav_url" -> if (newValue == null) {
+                preference.summary = getString(R.string.web_dav_url_s)
+            } else {
+                preference.summary = newValue.toString()
             }
-            if (preference is ListPreference) {
-                val index = preference.findIndexOfValue(stringValue)
+            preference?.key == "web_dav_account" -> if (newValue == null) {
+                preference.summary = getString(R.string.web_dav_account_s)
+            } else {
+                preference.summary = newValue.toString()
+            }
+            preference is ListPreference -> {
+                val index = preference.findIndexOfValue(newValue?.toString())
                 // Set the summary to reflect the new value.
                 preference.setSummary(if (index >= 0) preference.entries[index] else null)
-            } else {
-                // For all other preferences, set the summary to the value's
-                preference?.summary = stringValue
             }
+            else -> preference?.summary = newValue?.toString()
         }
         return true
     }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a66f806b6..f95f3b249 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -502,5 +502,7 @@
     <string name="disable_selection">禁用所选</string>
     <string name="tts">TTS</string>
     <string name="web_dav_pw_s">输入你的WebDav授权密码</string>
+    <string name="web_dav_url_s">输入你的服务器地址</string>
+    <string name="web_dav_account_s">输入你的WebDav账号</string>
 
 </resources>
diff --git a/app/src/main/res/xml/pref_config_web_dav.xml b/app/src/main/res/xml/pref_config_web_dav.xml
index 84cb363ca..9591ca1b4 100644
--- a/app/src/main/res/xml/pref_config_web_dav.xml
+++ b/app/src/main/res/xml/pref_config_web_dav.xml
@@ -5,13 +5,13 @@
     <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:summary="@string/web_dav_url_s"
         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:summary="@string/web_dav_account_s"
         app:iconSpaceReserved="false" />
 
     <androidx.preference.EditTextPreference