diff --git a/bin/maa-online-update b/bin/maa-online-update
index 265d66d..ae87029 100755
--- a/bin/maa-online-update
+++ b/bin/maa-online-update
@@ -15,8 +15,18 @@ retry() {
     return 1
 }
 
+# GitHub 直连被重置时，用 MAA_ONLINE_UPDATE_PROXY 指定代理（如 http://127.0.0.1:8118）；
+# 未设置时维持"剥离代理"的旧行为，便于在可直连的环境使用。
+UPDATE_PROXY="${MAA_ONLINE_UPDATE_PROXY:-}"
+
 direct() {
-    if [ "${MAA_ONLINE_KEEP_PROXY:-0}" = "1" ]; then "$@"; else env -u HTTPS_PROXY -u HTTP_PROXY -u ALL_PROXY "$@"; fi
+    if [ -n "$UPDATE_PROXY" ]; then
+        env HTTPS_PROXY="$UPDATE_PROXY" HTTP_PROXY="$UPDATE_PROXY" ALL_PROXY="$UPDATE_PROXY" "$@"
+    elif [ "${MAA_ONLINE_KEEP_PROXY:-0}" = "1" ]; then
+        "$@"
+    else
+        env -u HTTPS_PROXY -u HTTP_PROXY -u ALL_PROXY "$@"
+    fi
 }
 
 echo '[1/3] Updating maa-cli'