diff --git a/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt b/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt
index af78adc12..92d2b92a2 100644
--- a/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt
+++ b/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt
@@ -2,7 +2,6 @@ package io.legado.app.lib.webdav
 
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.Server.WebDavConfig
-import io.legado.app.exception.NoStackTraceException
 import okhttp3.Credentials
 import java.nio.charset.Charset
 import java.nio.charset.StandardCharsets
@@ -24,7 +23,7 @@ data class Authorization(
     }
 
     constructor(serverID: Long?): this("","") {
-        serverID ?: throw NoStackTraceException("Unexpected server ID")
+        serverID ?: throw WebDavException("Unexpected server ID")
         appDb.serverDao.get(serverID)?.getWebDavConfig()?.run {
             data = Credentials.basic(username, password, charset)
         } ?: throw WebDavException("Unexpected WebDav Authorization")
diff --git a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
index 0ef84ae85..6f30c4ce0 100644
--- a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
@@ -329,10 +329,10 @@ object LocalBook {
             // 兼容旧版链接
             val webdav: WebDav = kotlin.runCatching {
                 WebDav.fromPath(webDavUrl)
-            }.onFailure {
+            }.getOrElse {
                 AppWebDav.defaultBookWebDav
                     ?: throw WebDavException("Unexpected defaultBookWebDav")
-            }.getOrThrow()
+            }
             val uri = runBlocking {
                 saveBookFile(webdav.downloadInputStream(), localBook.originName)
             }