diff --git a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/download_system_tftp/download_fdisk.sh b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/download_system_tftp/download_fdisk.sh
index acb60eac..7c7839b2 100755
--- a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/download_system_tftp/download_fdisk.sh
+++ b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/download_system_tftp/download_fdisk.sh
@@ -142,7 +142,7 @@ run()
 	sync;
 	#查看分区表的变化
 	echo ""
-	fdisk -l | grep "$disk_path";
+	fdisk -l | grep "$disk_path" | grep -v boot;
 	sleep 1;
 
 	/home/install_format_all_disk.sh
diff --git a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_fdisk.sh b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_fdisk.sh
index a01b3cec..c43d286d 100755
--- a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_fdisk.sh
+++ b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_fdisk.sh
@@ -17,6 +17,9 @@ fdisk_part_total=0
 
 install_disk_blk="/dev/sda"
 
+part_1_size_unit="G"
+part_2_size_unit="G"
+
 check_cmdline_ins_target()
 {
 	install_target_type=0
@@ -108,13 +111,13 @@ n
 p
 1
 
-+$1G
++$1$part_1_size_unit
 
 n
 p
 2
 
-+$2G
++$2$part_2_size_unit
 
 n
 p
@@ -156,7 +159,7 @@ n
 p
 1
 
-+$1G
++$1$part_1_size_unit
 
 n
 p
@@ -170,46 +173,6 @@ p
 
 
 
-t
-3
-82
-
-p
-
-w
-!
-}
-
-fdisk_run_three_part()
-{
-	fdisk $install_disk_blk >/dev/null << !
-d
-1
-d
-2
-d
-3
-d
-4
-
-n
-p
-$1
-
-+$2G
-
-n
-p
-$3
-
-+$4G
-
-n
-p
-$5
-
-
-
 t
 3
 82
@@ -309,10 +272,10 @@ analy_four_part()
 		disk_size_root_and_data=5
 		disk_size_root_and_data_bak=5
 	elif [ $disk_size -le 16 ]; then
-		disk_size_root=6
-		disk_size_data=3
-		disk_size_root_and_data=9
-		disk_size_root_and_data_bak=9
+		disk_size_root=3
+		disk_size_data=7
+		disk_size_root_and_data=10
+		disk_size_root_and_data_bak=10
 	else
 		disk_size_root_and_data=$(($disk_size_ex_swap-$disk_size_backup))
 		disk_size_root_and_data_bak=$disk_size_root_and_data
@@ -324,19 +287,23 @@ analy_four_part()
 analy_pingpang()
 {
 	if [ $disk_size -le 8 ]; then
-		disk_size_root=2
-		disk_size_data=1
+		disk_size_root=1536
+		disk_size_data=3072
 		disk_size_swap=1
-		disk_size_root_and_data=3
-		disk_size_root_and_data_bak=3
+		disk_size_root_and_data=4608
+		disk_size_root_and_data_bak=4608
+		part_1_size_unit="M"
+		part_2_size_unit="M"
 	elif [ $disk_size -le 16 ]; then
-		disk_size_root=4
-		disk_size_data=2
-		disk_size_root_and_data=6
-		disk_size_root_and_data_bak=6
+		disk_size_root=3
+		disk_size_data=6
+		disk_size_root_and_data=9
+		disk_size_root_and_data_bak=9
 	else
-		#/2会向下取整，也就是bakcup的大小 >= root+data
-		disk_size_root_and_data=$(($disk_size_ex_swap/2))
+		# /2会向下取整，也就是bakcup的大小 >= root+data
+		disk_size_root_and_data=$((3*$disk_size_ex_swap/4))
+		# 预留多1G给backup分区，用来存镜像
+		disk_size_root_and_data=$(($disk_size_root_and_data - 1))
 		disk_size_root_and_data_bak=$disk_size_root_and_data
 		split_root_and_data 1 2 $disk_size_root_and_data;
 	fi
diff --git a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_reboot.sh b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_reboot.sh
index f3952ad1..83e6ccf9 100755
--- a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_reboot.sh
+++ b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_reboot.sh
@@ -20,7 +20,7 @@ install_target_type=0
 root_partition=""
 root_mount_point="/mnt/usb1"
 
-resize_ext4_dir="/usr/local/ls_resize"
+resize_ext4_dir="./usr/local/ls_resize"
 resize_ext4_flag="$resize_ext4_dir/resizerootfs"
 
 check_cmdline_ins_target()
@@ -57,9 +57,12 @@ check_resize_ext4()
 	mount $root_partition $root_mount_point;
 	sync;
 
+	old_path=$PWD
+	cd $root_mount_point
 	if [ -d $resize_ext4_dir ]; then
 		echo 2 > $resize_ext4_flag
 	fi
+	cd $old_path
 	umount $root_partition
 	sync
 }
diff --git a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_usb.sh b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_usb.sh
index 6cd629d1..c8699aaf 100755
--- a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_usb.sh
+++ b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/install_usb.sh
@@ -6,6 +6,8 @@ echo "*************************************************************************"
 echo " ";
 sleep 2;
 
+disk_path="/dev/sda"
+
 usb_partition="/dev/sdb1"
 usb_partition_bak="/dev/sdb"
 
@@ -40,6 +42,8 @@ check_cmdline_ins_target()
 	# install_target_type=$(cat /proc/cmdline | grep ins_target="scsi") #default is scsi
 	install_target_type=$(cat /proc/cmdline | grep ins_target=mmc)
 	if [ ! -z "$install_target_type" ]; then
+		disk_path="/dev/mmcblk0"
+
 		root_partition="/dev/mmcblk0p1"
 		data_partition="/dev/mmcblk0p2"
 		swap_partition="/dev/mmcblk0p3"
@@ -53,6 +57,7 @@ check_cmdline_ins_target()
 		return 0
 	fi
 
+	disk_path="/dev/sda"
 	root_partition="/dev/sda1"
 	data_partition="/dev/sda2"
 	swap_partition="/dev/sda3"
@@ -168,7 +173,7 @@ fdisk_SSD()
 	sync;
 	#查看分区表的变化
 	echo ""
-	fdisk -l | grep "/dev/sda";
+	fdisk -l | grep $disk_path | grep -v "boot";
 	sleep 1;
 	return 0;
 }
diff --git a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/ramdisk-master-eed5fbe099 b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/ramdisk-master-6c14ad4529
similarity index 100%
rename from board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/ramdisk-master-eed5fbe099
rename to board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/ramdisk-master-6c14ad4529
diff --git a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/recover_reboot.sh b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/recover_reboot.sh
index 7defc76f..7cddbaf7 100755
--- a/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/recover_reboot.sh
+++ b/board/loongson/ls2k1000la/rootfs_ramdisk_overlay/home/recover_reboot.sh
@@ -17,7 +17,7 @@ install_target_type=0
 root_partition=""
 root_mount_point="/mnt/usb1"
 
-resize_ext4_dir="/usr/local/ls_resize"
+resize_ext4_dir="./usr/local/ls_resize"
 resize_ext4_flag="$resize_ext4_dir/resizerootfs"
 
 check_cmdline_ins_target()
@@ -55,9 +55,12 @@ check_resize_ext4()
 	mount $root_partition $root_mount_point;
 	sync;
 
+	old_path=$PWD
+	cd $root_mount_point
 	if [ -d $resize_ext4_dir ]; then
 		echo 2 > $resize_ext4_flag
 	fi
+	cd $old_path
 	umount $root_partition
 	sync
 }
diff --git a/board/loongson/ls2k300/rootfs_overlay/var/lib/alsa/asound.state b/board/loongson/ls2k300/rootfs_overlay/var/lib/alsa/asound.state
index 93af0515..8efe174f 100644
--- a/board/loongson/ls2k300/rootfs_overlay/var/lib/alsa/asound.state
+++ b/board/loongson/ls2k300/rootfs_overlay/var/lib/alsa/asound.state
@@ -108,8 +108,8 @@ state.ES8388 {
 	control.9 {
 		iface MIXER
 		name 'PCM Volume'
-		value.0 185
-		value.1 185
+		value.0 192
+		value.1 192
 		comment {
 			access 'read write'
 			type INTEGER
@@ -117,15 +117,15 @@ state.ES8388 {
 			range '0 - 192'
 			dbmin -9600
 			dbmax 0
-			dbvalue.0 -350
-			dbvalue.1 -350
+			dbvalue.0 0
+			dbvalue.1 0
 		}
 	}
 	control.10 {
 		iface MIXER
 		name 'Output 1 Playback Volume'
-		value.0 33
-		value.1 33
+		value.0 32
+		value.1 32
 		comment {
 			access 'read write'
 			type INTEGER
@@ -133,8 +133,8 @@ state.ES8388 {
 			range '0 - 36'
 			dbmin -3000
 			dbmax 600
-			dbvalue.0 300
-			dbvalue.1 300
+			dbvalue.0 200
+			dbvalue.1 200
 		}
 	}
 	control.11 {
diff --git a/configs/loongson2k300_mini_dp_defconfig b/configs/loongson2k300_mini_dp_defconfig
index 07b4b1ee..6b5e1a3e 100644
--- a/configs/loongson2k300_mini_dp_defconfig
+++ b/configs/loongson2k300_mini_dp_defconfig
@@ -140,7 +140,6 @@ BR2_PACKAGE_SQLITE_NO_SYNC=y
 BR2_PACKAGE_LIBDRM_INSTALL_TESTS=y
 BR2_PACKAGE_LIBGPIOD=y
 BR2_PACKAGE_LIBGPIOD_TOOLS=y
-# BR2_PACKAGE_LIBXKBCOMMON_RULES is not set
 BR2_PACKAGE_LIBFASTJSON=y
 BR2_PACKAGE_TINYXML2=y
 BR2_PACKAGE_CPPZMQ=y
@@ -197,6 +196,7 @@ BR2_PACKAGE_NETWORK_MANAGER_MODEM_MANAGER=y
 BR2_PACKAGE_NETWORK_MANAGER_PPPD=y
 BR2_PACKAGE_NETWORK_MANAGER_OVS=y
 BR2_PACKAGE_OPENSSH=y
+BR2_PACKAGE_SSHPASS=y
 BR2_PACKAGE_WPA_SUPPLICANT=y
 BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT=y
 BR2_PACKAGE_WPA_SUPPLICANT_WIFI_DISPLAY=y
diff --git a/package/Config.in b/package/Config.in
index 8c90ba07..2bc85aef 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -2542,6 +2542,7 @@ menu "Loongson board software"
 	source "package/loongson_kernel/Config.in"
 	source "package/loongson_build_essential/Config.in"
 	source "package/mp4_sample/Config.in"
+	source "package/quectel-cm/Config.in"
 endmenu
 
 endmenu
diff --git a/package/loongson_kernel/loongson_kernel.tar.gz b/package/loongson_kernel/loongson_kernel.tar.gz
index 6dd252d3..91b9e9f1 100644
Binary files a/package/loongson_kernel/loongson_kernel.tar.gz and b/package/loongson_kernel/loongson_kernel.tar.gz differ
diff --git a/package/quectel-cm/Config.in b/package/quectel-cm/Config.in
new file mode 100644
index 00000000..114d1a52
--- /dev/null
+++ b/package/quectel-cm/Config.in
@@ -0,0 +1,12 @@
+config BR2_PACKAGE_QUECTEL_CM
+	bool "quectel-cm"
+	default n
+	help
+		Quectel 4G-Model Connection Manager
+
+config BR2_PACKAGE_QUECTEL_CM_LINK
+	bool "quectel-cm link to /opt/quectel-cm"
+	depends on BR2_PACKAGE_QUECTEL_CM
+	default n
+
+
diff --git a/package/quectel-cm/quectel-cm.mk b/package/quectel-cm/quectel-cm.mk
new file mode 100644
index 00000000..cfd3350a
--- /dev/null
+++ b/package/quectel-cm/quectel-cm.mk
@@ -0,0 +1,44 @@
+################################################################################
+#
+# quectel-cm
+#
+################################################################################
+
+QUECTEL_CM_SITE = $(TOPDIR)/package/quectel-cm/quectel-cm.tar.gz
+QUECTEL_CM_SITE_METHOD = file
+QUECTEL_CM_CFLAGS = $(TARGET_CFLAGS)
+
+define QUECTEL_CM_EXTRACT_CMDS
+	echo $(QUECTEL_CM_SITE)
+	tar -zxf $(QUECTEL_CM_SITE) --strip-components=1 -C $(@D)/
+endef
+
+#define QUECTEL_CM_BUILD_CMDS
+#	cd $(@D) && $(TARGET_MAKE_ENV) $(MAKE) CC=$(TARGET_CC) AR=$(TARGET_AR) -C $(@D)
+#endef
+#
+#define QUECTEL_CM_INSTALL_STAGING_CMDS
+#	echo "nothing to do"
+#endef
+#
+#define QUECTEL_CM_INSTALL_TARGET_CMDS
+#	echo quectel-cm install to $(BR2_PACKAGE_QUECTEL_INSTALL_PATH)
+#	mkdir -p $(TARGET_DIR)$(BR2_PACKAGE_QUECTEL_INSTALL_PATH)
+#	cd $(@D) && cp quectel-CM $(TARGET_DIR)$(BR2_PACKAGE_QUECTEL_INSTALL_PATH) && cp quectel-mbim-proxy $(TARGET_DIR)$(BR2_PACKAGE_QUECTEL_INSTALL_PATH) && cp quectel-qmi-proxy $(TARGET_DIR)$(BR2_PACKAGE_QUECTEL_INSTALL_PATH)
+#endef
+
+ifeq ($(BR2_PACKAGE_QUECTEL_CM_LINK),y)
+define QUECTEL_CM_LINK
+	echo quectel-cm link to /opt/quectel-cm
+	mkdir -p $(TARGET_DIR)/opt/quectel-cm
+	cd $(TARGET_DIR)/opt/quectel-cm && ln -sf ../../usr/bin/quectel-CM quectel-CM
+	cd $(TARGET_DIR)/opt/quectel-cm && ln -sf ../../usr/bin/quectel-qmi-proxy quectel-qmi-proxy
+	cd $(TARGET_DIR)/opt/quectel-cm && ln -sf ../../usr/bin/quectel-mbim-proxy quectel-mbim-proxy
+	cd $(TARGET_DIR)/opt/quectel-cm && ln -sf ../../usr/bin/quectel-atc-proxy quectel-atc-proxy
+endef
+
+QUECTEL_CM_POST_INSTALL_TARGET_HOOKS += QUECTEL_CM_LINK
+
+endif
+
+$(eval $(cmake-package))
diff --git a/package/quectel-cm/quectel-cm.tar.gz b/package/quectel-cm/quectel-cm.tar.gz
new file mode 100644
index 00000000..c56b1607
Binary files /dev/null and b/package/quectel-cm/quectel-cm.tar.gz differ