diff --git a/package/boot/uboot-envtools/files/ar71xx b/package/boot/uboot-envtools/files/ar71xx
index 5deed9c1fa..f660883cf6 100644
--- a/package/boot/uboot-envtools/files/ar71xx
+++ b/package/boot/uboot-envtools/files/ar71xx
@@ -41,6 +41,9 @@ om2p-lc)
 wzr-hp-ag300h)
 	ubootenv_add_uci_config "/dev/mtd3" "0x0" "0x10000" "0x10000"
 	;;
+qihoo-c301)
+	ubootenv_add_uci_config "/dev/mtd9" "0x0" "0x10000" "0x10000"
+	;;
 esac
 
 config_load ubootenv
diff --git a/target/linux/ar71xx/base-files/etc/diag.sh b/target/linux/ar71xx/base-files/etc/diag.sh
index bbe04b51ee..b3a8fc5cab 100755
--- a/target/linux/ar71xx/base-files/etc/diag.sh
+++ b/target/linux/ar71xx/base-files/etc/diag.sh
@@ -297,6 +297,12 @@ set_state() {
 		;;
 	done)
 		status_led_on
+		case $(ar71xx_board_name) in
+		qihoo-c301)
+			local n=$(fw_printenv activeregion | cut -d = -f 2)
+			fw_setenv "image${n}trynum" 0
+			;;
+		esac
 		;;
 	esac
 }