diff --git a/upgrade.sh b/upgrade.sh
deleted file mode 100644
index 94ecbb0..0000000
--- a/upgrade.sh
+++ /dev/null
@@ -1,60 +0,0 @@
-#!/bin/sh
-# ============================================================
-# ImmortalWrt 固件一键升级脚本
-# 适用于 Redmi AC2100
-# ============================================================
-
-FIRMWARE_URL="https://git.stickrouter.com/mike/AC2100/raw/branch/main/RedmiAC2100-HK2036.bin"
-FIRMWARE_FILE="/tmp/RedmiAC2100-HK2036.bin"
-
-echo "======================================================"
-echo "   ImmortalWrt 固件升级工具 - Redmi AC2100"
-echo "======================================================"
-echo ""
-echo "固件来源：$FIRMWARE_URL"
-echo ""
-
-# 检查磁盘空间
-FREE_SPACE=$(df /tmp | tail -1 | awk '{print $4}')
-if [ "$FREE_SPACE" -lt 20480 ]; then
-    echo "[错误] /tmp 空间不足，需要至少 20MB"
-    exit 1
-fi
-
-# 下载固件
-echo "[1/3] 正在下载固件..."
-wget --no-check-certificate -O "$FIRMWARE_FILE" "$FIRMWARE_URL"
-
-if [ $? -ne 0 ] || [ ! -f "$FIRMWARE_FILE" ]; then
-    echo "[错误] 固件下载失败，请检查网络连接"
-    exit 1
-fi
-
-FILESIZE=$(ls -lh "$FIRMWARE_FILE" | awk '{print $5}')
-echo "[OK] 固件下载完成，大小：$FILESIZE"
-echo ""
-
-# 确认升级
-echo "======================================================"
-echo "⚠️  警告："
-echo "  - 升级后路由器将自动重启"
-echo "  - 不保留任何配置（-n 参数）"
-echo "  - 升级过程请勿断电，约需 2-3 分钟"
-echo "  - 升级完成后 IP 变为 192.168.6.66"
-echo "======================================================"
-echo ""
-printf "[?] 确认升级？(y/N): "
-read CONFIRM
-
-if [ "$CONFIRM" != "y" ] && [ "$CONFIRM" != "Y" ]; then
-    echo "已取消升级"
-    rm -f "$FIRMWARE_FILE"
-    exit 0
-fi
-
-# 执行升级
-echo ""
-echo "[3/3] 开始升级，请勿断电..."
-echo "SSH 连接将断开，请等待 2-3 分钟后重新连接 192.168.6.66"
-echo ""
-sysupgrade -F -n "$FIRMWARE_FILE"