diff --git a/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt b/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt
index 306ab4fb0..eba7ead65 100644
--- a/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt
+++ b/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt
@@ -174,7 +174,7 @@ open class WebDav(
         val baseUrl = NetworkUtils.getBaseUrl(urlStr)
         for (element in elements) {
             //依然是优化支持 caddy 自建的 WebDav ，其目录后缀都为“/”, 所以删除“/”的判定，不然无法获取该目录项
-            val href = element.findNS("href", ns)[0].text().replace("+", "%20")
+            val href = element.findNS("href", ns)[0].text().replace("+", "%2B")
             val hrefDecode = URLDecoder.decode(href, "UTF-8")
                 .removeSuffix("/")
             val fileName = hrefDecode.substringAfterLast("/")