diff --git a/21. 資料收集/Linux/架站/Nextcloud.md b/21. 資料收集/Linux/架站/Nextcloud.md
index 64dcfca..2241e40 100644
--- a/21. 資料收集/Linux/架站/Nextcloud.md	
+++ b/21. 資料收集/Linux/架站/Nextcloud.md	
@@ -140,3 +140,4 @@ $CONFIG = array (
     proxy_read_timeout 600;
     send_timeout 600;
 ```````
+4. 上傳檔案時遇到 "server repliedL Not Found": `sudo docker exec -u 33 e84abbefd5ed php occ files:scan --all`
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