优化

app/src/main/java/io/legado/app/help/storage/Backup.kt

@@ -3,6 +3,7 @@ package io.legado.app.help.storage
 import android.content.Context
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
+import io.legado.app.constant.AppLog
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.help.config.ReadBookConfig
@@ -54,6 +55,8 @@ object Backup {
                 } else {
                     context.putPrefLong(PreferKey.lastBackup, System.currentTimeMillis())
                 }
+            }.onError {
+                AppLog.put("自动备份失败\n${it.localizedMessage}")
             }
         }
     }

app/src/main/java/io/legado/app/lib/webdav/WebDav.kt

@@ -214,9 +214,7 @@ class WebDav(urlStr: String, val authorization: Authorization) {
                 checkResult(it)
             }
         }.onFailure {
-            val message = "WebDav上传失败\n${it.localizedMessage}"
-            AppLog.put(message)
-            throw NoStackTraceException(message)
+            throw NoStackTraceException("WebDav上传失败\n${it.localizedMessage}")
         }
     }
 
@@ -234,9 +232,7 @@ class WebDav(urlStr: String, val authorization: Authorization) {
                 checkResult(it)
             }
         }.onFailure {
-            val message = "WebDav上传失败\n${it.localizedMessage}"
-            AppLog.put(message)
-            throw NoStackTraceException(message)
+            throw NoStackTraceException("WebDav上传失败\n${it.localizedMessage}")
         }
     }