优化

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

@@ -45,6 +45,7 @@ object WebDavHelp {
         val url = getWebDavUrl()
         val names = arrayListOf<String>()
         if (!url.isNullOrBlank() && initWebDav()) {
+            try {
                 var files = WebDav(url + "legado/").listFiles()
                 files = files.reversed()
                 for (index: Int in 0 until min(10, files.size)) {
@@ -52,6 +53,9 @@ object WebDavHelp {
                         names.add(it)
                     }
                 }
+            } catch (e: Exception) {
+                return names
+            }
         }
         return names
     }