diff --git a/YakPanel-server/install.sh b/YakPanel-server/install.sh
index c6e50063..517980cb 100644
--- a/YakPanel-server/install.sh
+++ b/YakPanel-server/install.sh
@@ -203,7 +203,9 @@ else
   TMP_DIR="$(mktemp -d)"
   trap 'rm -rf "$TMP_DIR"' EXIT
   export GIT_TERMINAL_PROMPT=0
-  CLONE_ARGS=(git clone --depth 1)
+  # Disable credential helpers for this clone so anonymous HTTPS public repos work
+  # from curl|bash (no TTY); USER:TOKEN in REPO_URL is still used if present.
+  CLONE_ARGS=(git -c credential.helper= clone --depth 1)
   if [ -n "$YAKPANEL_BRANCH" ]; then
     CLONE_ARGS+=(--branch "$YAKPANEL_BRANCH")
   fi