diff --git a/package/lean/luci-app-turboacc/luasrc/model/cbi/turboacc.lua b/package/lean/luci-app-turboacc/luasrc/model/cbi/turboacc.lua
index 62797304ce..b47f694055 100644
--- a/package/lean/luci-app-turboacc/luasrc/model/cbi/turboacc.lua
+++ b/package/lean/luci-app-turboacc/luasrc/model/cbi/turboacc.lua
@@ -19,10 +19,10 @@ sw_flow.description = translate("Software based offloading for routing/NAT")
 sw_flow:depends("sfe_flow", 0)
 end
 
-if luci.sys.call("cat /proc/cpuinfo | grep -q MT7621") == 0 then
+if luci.sys.call("cat /proc/cpuinfo | grep -q MT762") == 0 then
 hw_flow = s:option(Flag, "hw_flow", translate("Hardware flow offloading"))
 hw_flow.default = 0
-hw_flow.description = translate("Requires hardware NAT support. Implemented at least for mt7621")
+hw_flow.description = translate("Requires hardware NAT support. Implemented at least for mt762x")
 hw_flow:depends("sw_flow", 1)
 end
 
diff --git a/package/lean/luci-app-turboacc/po/zh-cn/turboacc.po b/package/lean/luci-app-turboacc/po/zh-cn/turboacc.po
index 4cbe0775d9..2973f5af0b 100644
--- a/package/lean/luci-app-turboacc/po/zh-cn/turboacc.po
+++ b/package/lean/luci-app-turboacc/po/zh-cn/turboacc.po
@@ -19,8 +19,8 @@ msgstr "基于软件的 Routing/NAT 分载"
 msgid "Hardware flow offloading"
 msgstr "硬件流量分载"
 
-msgid "Requires hardware NAT support. Implemented at least for mt7621"
-msgstr "需要硬件 NAT 支持。目前 mt7621 已实现"
+msgid "Requires hardware NAT support. Implemented at least for mt762x"
+msgstr "需要硬件 NAT 支持。目前 mt762x 已实现"
 
 msgid "Shortcut-FE flow offloading"
 msgstr "Shortcut-FE 流量分载"
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index f8da8dbd42..6cb4f17597 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1021,7 +1021,7 @@ define Device/xiaomi-ac2100
   IMAGE/kernel1.bin := append-kernel
   IMAGE/rootfs0.bin := append-ubi | check-size $$$$(IMAGE_SIZE)
   IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
-  IMAGE/factory.bin := append-kernel | pad-to $$(KERNEL_SIZE) | append-ubi | check-size
+  IMAGE/factory.bin := append-kernel | pad-to $$(KERNEL_SIZE) | append-ubi | check-size $$$$(IMAGE_SIZE)
   DEVICE_VENDOR := Xiaomi
   DEVICE_PACKAGES := kmod-mt7603e kmod-mt7615d luci-app-mtwifi uboot-envtools
 endef