diff --git a/Kconfig b/Kconfig
index eb5808d2..2f0b9860 100644
--- a/Kconfig
+++ b/Kconfig
@@ -31,15 +31,14 @@ config PLATFORM_LUBANLITE
     default y
 
 config PKGS_DIR
-    string
-    option env="PKGS_ROOT"
-    default "packages"
+    default "tools/env/packages"
+	help
+        packages directory for RT-Thread online packages
+
 
 if ! AIC_BOOTLOADER
 source "application/Kconfig"
 endif
-#source "kernel/$PRJ_KERNEL/Kconfig"
-#source "$PKGS_DIR/Kconfig"
 source ".Kconfig.prj"
 source "packages/Kconfig"
 source "bsp/Kconfig"
diff --git a/tools/env/packages/packages/iot/abup_fota/Kconfig b/tools/env/packages/packages/iot/abup_fota/Kconfig
index 4f603d3d..b1730628 100644
--- a/tools/env/packages/packages/iot/abup_fota/Kconfig
+++ b/tools/env/packages/packages/iot/abup_fota/Kconfig
@@ -13,7 +13,7 @@ if PKG_USING_ABUP_FOTA
 
     choice
         prompt "Enable HTTP/CoAP FOTA"
-        default ABUP_NETWORKING_MODE
+        default ABUP_NETWORKING_MODE_HTTP
         help
             Select the package Networking mode
 
@@ -38,7 +38,7 @@ endif
 
     choice
         prompt "Recover algorithm"
-        default ABUP_ALGORITHM
+        default ABUP_ALGORITHM_LUSUN
         help
             Select the package algorithm
 
diff --git a/tools/env/packages/packages/iot/iot_cloud/ali-iotkit/Kconfig b/tools/env/packages/packages/iot/iot_cloud/ali-iotkit/Kconfig
index 63c1c3c9..f236226f 100644
--- a/tools/env/packages/packages/iot/iot_cloud/ali-iotkit/Kconfig
+++ b/tools/env/packages/packages/iot/iot_cloud/ali-iotkit/Kconfig
@@ -16,19 +16,19 @@ if PKG_USING_ALI_IOTKIT
 
     config PKG_USING_ALI_IOTKIT_PRODUCT_KEY
         string "Config Product Key"
-        default a1dSQSGZ77X
+        default "a1dSQSGZ77X"
 
     config PKG_USING_ALI_IOTKIT_PRODUCT_SECRET
         string "Config Product Secret"
-        default NfIdVcfBP7rtH24H
+        default "NfIdVcfBP7rtH24H"
 
     config PKG_USING_ALI_IOTKIT_DEVICE_NAME
         string "Config Device Name"
-        default RGB-LED-DEV-1
+        default "RGB-LED-DEV-1"
 
     config PKG_USING_ALI_IOTKIT_DEVICE_SECRET
         string "Config Device Secret"
-        default Ghuiyd9nmGowdZzjPqFtxhm3WUHEbIlI
+        default "Ghuiyd9nmGowdZzjPqFtxhm3WUHEbIlI"
 
     if (PKG_ALI_IOTKIT_VER_NUM >= 0x30000)
         config PKG_ALI_IOTKIT_SELECT_ITEM
diff --git a/tools/env/packages/packages/iot/iot_cloud/tencent-iot-sdk/Kconfig b/tools/env/packages/packages/iot/iot_cloud/tencent-iot-sdk/Kconfig
index 1414c4e6..3fc5a5ef 100644
--- a/tools/env/packages/packages/iot/iot_cloud/tencent-iot-sdk/Kconfig
+++ b/tools/env/packages/packages/iot/iot_cloud/tencent-iot-sdk/Kconfig
@@ -19,7 +19,7 @@ if PKG_USING_TENCENT_IOT_EXPLORER
 
     config PKG_USING_TENCENT_IOT_EXPLORER_DEVICE_NAME
         string "Config Device Name"
-        default dev001
+        default "dev001"
 
     config PKG_USING_TENCENT_IOT_EXPLORER_DEVICE_SECRET
         string "Config Device Secret"
diff --git a/tools/env/packages/packages/iot/kawaii-mqtt/Kconfig b/tools/env/packages/packages/iot/kawaii-mqtt/Kconfig
index 2ce1373b..3e5ab71a 100644
--- a/tools/env/packages/packages/iot/kawaii-mqtt/Kconfig
+++ b/tools/env/packages/packages/iot/kawaii-mqtt/Kconfig
@@ -74,7 +74,7 @@ if PKG_USING_KAWAII_MQTT
                     default n
 
             config SALOF_LOG_LEVEL
-                    int "salof output log level "
+                    int "salof output log level"
                     default KAWAII_MQTT_LOG_LEVEL
         endif
     endif
diff --git a/tools/env/packages/packages/iot/lorawan_driver/Kconfig b/tools/env/packages/packages/iot/lorawan_driver/Kconfig
index 486c7b19..98d3c52f 100644
--- a/tools/env/packages/packages/iot/lorawan_driver/Kconfig
+++ b/tools/env/packages/packages/iot/lorawan_driver/Kconfig
@@ -26,31 +26,31 @@ if PKG_USING_LORAWAN_DRIVER
 
     choice
         prompt "Work Mode"
-        default ClassA
+        default LORAWAN_DRIVER_ClassA
         help
             Select the Work Mode
         config LORAWAN_DRIVER_ClassA
-            bool ClassA
+            bool "ClassA"
         config LORAWAN_DRIVER_ClassC
-            bool ClassC
+            bool "ClassC"
     endchoice
 
     choice
         prompt "Join Mode"
-        default ABP
+        default LORAWAN_DRIVER_ABP
         help
             Select the Join Mode
         config LORAWAN_DRIVER_OTAA
-            bool OTAA
+            bool "OTAA"
 
         config LORAWAN_DRIVER_ABP
-            bool ABP
+            bool "ABP"
     endchoice
 
     choice
 
     prompt "Select the RF frequency"
-    default REGION_CN470
+    default LORAWAN_DRIVER_REGION_CN470
     help
         Select the RF frequency
 
diff --git a/tools/env/packages/packages/iot/lorawan_ed_stack/Kconfig b/tools/env/packages/packages/iot/lorawan_ed_stack/Kconfig
index 750a551d..b53826b2 100644
--- a/tools/env/packages/packages/iot/lorawan_ed_stack/Kconfig
+++ b/tools/env/packages/packages/iot/lorawan_ed_stack/Kconfig
@@ -239,40 +239,40 @@ if PKG_USING_LORAWAN_ED_STACK
             if REGION_CN470
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK0
                     string "Channel Mask0"
-                    default 00FF
+                    default "00FF"
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK1
                     string "Channel Mask1"
-                    default 0000
+                    default "0000"
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK2
                     string "Channel Mask2"
-                    default 0000
+                    default "0000"
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK3
                     string "Channel Mask3"
-                    default 0000
+                    default "0000"
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK4
                     string "Channel Mask4"
-                    default 0000
+                    default "0000"
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK5
                     string "Channel Mask5"
-                    default 0000
+                    default "0000"
             endif
 
             if REGION_CN470S
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK0
                     string "Channel Mask0"
-                    default 00FF
+                    default "00FF"
             endif
 
             if REGION_EU868
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK0
                     string "Channel Mask0"
-                    default 00FF
+                    default "00FF"
             endif
 
             if REGION_AS923
                 config LORAWAN_ED_STACK_PHY_PARAMETER_CHANNEL_MASK0
                     string "Channel Mask0"
-                    default 00FF
+                    default "00FF"
             endif
 
       endmenu
diff --git a/tools/env/packages/packages/iot/rt-link_hw/Kconfig b/tools/env/packages/packages/iot/rt-link_hw/Kconfig
index 467e9084..db1cb296 100644
--- a/tools/env/packages/packages/iot/rt-link_hw/Kconfig
+++ b/tools/env/packages/packages/iot/rt-link_hw/Kconfig
@@ -7,7 +7,7 @@ if PKG_USING_RT_LINK_HW
 
     choice
         prompt"Select the underlying transport"
-        default RT_LINK_USING_UART
+        default PKG_RT_LINK_USING_UART
 
         config PKG_RT_LINK_USING_UART
             bool "use UART"
diff --git a/tools/env/packages/packages/iot/wiznet/Kconfig b/tools/env/packages/packages/iot/wiznet/Kconfig
index b068dfe5..502ff6bf 100644
--- a/tools/env/packages/packages/iot/wiznet/Kconfig
+++ b/tools/env/packages/packages/iot/wiznet/Kconfig
@@ -57,15 +57,15 @@ if PKG_USING_WIZNET
 
             config WIZ_IPADDR
                 string "IPv4: IP address"
-                default 192.168.1.10
+                default "192.168.1.10"
 
             config WIZ_GWADDR
                 string "IPv4: Gateway address"
-                default 192.168.1.1
+                default "192.168.1.1"
 
             config WIZ_MSKADDR
                 string "IPv4: Mask address"
-                default 255.255.255.0
+                default "255.255.255.0"
 
         endmenu
 
diff --git a/tools/env/packages/packages/multimedia/gui_engine/Kconfig b/tools/env/packages/packages/multimedia/gui_engine/Kconfig
index 360790fa..a224ef75 100644
--- a/tools/env/packages/packages/multimedia/gui_engine/Kconfig
+++ b/tools/env/packages/packages/multimedia/gui_engine/Kconfig
@@ -29,10 +29,10 @@ choice
     prompt "RGB888 pixel bits"
 
     config PKG_USING_RGB888_PIXEL_BITS_32
-        bool 32
+        bool "32"
 
     config PKG_USING_RGB888_PIXEL_BITS_24
-        bool 24
+        bool "24"
 endchoice
 
 config PKG_USING_RGB888_PIXEL_BITS
diff --git a/tools/env/packages/packages/multimedia/mp3player/Kconfig b/tools/env/packages/packages/multimedia/mp3player/Kconfig
index 9da668e5..ee993029 100644
--- a/tools/env/packages/packages/multimedia/mp3player/Kconfig
+++ b/tools/env/packages/packages/multimedia/mp3player/Kconfig
@@ -15,7 +15,7 @@ if PKG_USING_MP3PLAYER
 
     config MP3_SOUND_DEVICE_NAME
         string "The play device name"
-        default sound0
+        default "sound0"
     config MP3_INPUT_BUFFER_SIZE
         int "mp3 input buffer size"
         default 2048
diff --git a/tools/env/packages/packages/peripherals/Misaka_AT24CXX/Kconfig b/tools/env/packages/packages/peripherals/Misaka_AT24CXX/Kconfig
index 1ce5f1f3..b7181032 100644
--- a/tools/env/packages/packages/peripherals/Misaka_AT24CXX/Kconfig
+++ b/tools/env/packages/packages/peripherals/Misaka_AT24CXX/Kconfig
@@ -16,7 +16,7 @@ if PKG_USING_MISAKA_AT24CXX
 
     choice
         prompt "Version"
-        default PKG_USING_MISAKA_AT24CXX_LATEST_VERSION
+        default PKG_USING_MISAKA_AT24CXX_V100
         help
             Select the package version
 
diff --git a/tools/env/packages/packages/peripherals/cw2015/Kconfig b/tools/env/packages/packages/peripherals/cw2015/Kconfig
index 47c5ebc0..1d24b4cc 100644
--- a/tools/env/packages/packages/peripherals/cw2015/Kconfig
+++ b/tools/env/packages/packages/peripherals/cw2015/Kconfig
@@ -15,7 +15,7 @@ if PKG_USING_CW2015
         default "i2c1"
 
     config CW2015_USE_AUTO_UPDATE
-        bool "Enable CW2015 AUTO UPDATE BAT INFO "
+        bool "Enable CW2015 AUTO UPDATE BAT INFO"
         default n
         help
             "It will create a thread to update the battery info."
diff --git a/tools/env/packages/packages/peripherals/infrared/Kconfig b/tools/env/packages/packages/peripherals/infrared/Kconfig
index 372b3141..66e777c2 100644
--- a/tools/env/packages/packages/peripherals/infrared/Kconfig
+++ b/tools/env/packages/packages/peripherals/infrared/Kconfig
@@ -22,7 +22,7 @@ if PKG_USING_INFRARED
     endmenu
 
 config PKG_USING_DRV_INFRARED
-        bool "Use the infrared driver provided by the software package "
+        bool "Use the infrared driver provided by the software package"
         default y
         if PKG_USING_DRV_INFRARED
         config INFRARED_SEND
diff --git a/tools/env/packages/packages/peripherals/lora_gw_driver_lib/Kconfig b/tools/env/packages/packages/peripherals/lora_gw_driver_lib/Kconfig
index efb0623f..2d24e6bf 100644
--- a/tools/env/packages/packages/peripherals/lora_gw_driver_lib/Kconfig
+++ b/tools/env/packages/packages/peripherals/lora_gw_driver_lib/Kconfig
@@ -26,13 +26,13 @@ if PKG_USING_LORA_GW_DRIVER_LIB
 
     config LORA_GW_DRIVER_SPI_BUS_NAME
         string "Setup LoRa Gw Driver Spi Bus Name (eg:spi1,spi2..,Define BSP_USING_SPIx in [Target Platform]\\Board\\Kconfig)"
-        default spi2
+        default "spi2"
         help
            Setup LoRa Gw Driver Spi Bus Name,eg:spi2,Please define BSP_USING_SPIx in the [Target Platform]\\Board\\Kconfig
 
     config LORA_GW_DRIVER_I2C_DEVICE_NAME
         string "Setup LoRa Gw Driver I2C Device Name for Temperture(eg:i2c1,i2c2..,Define BSP_USING_IICx in [Target Platform]\\Board\\Kconfig)"
-        default i2c3
+        default "i2c3"
 
   config LORA_GW_DRIVER_USING_SERVICES
         bool "Select lora-gw-driver Services"
diff --git a/tools/env/packages/packages/peripherals/lora_modem_driver/Kconfig b/tools/env/packages/packages/peripherals/lora_modem_driver/Kconfig
index cc0d83c6..970f17eb 100644
--- a/tools/env/packages/packages/peripherals/lora_modem_driver/Kconfig
+++ b/tools/env/packages/packages/peripherals/lora_modem_driver/Kconfig
@@ -12,7 +12,7 @@ if PKG_USING_LORA_MODEM_DRIVER
 
     config LORA_MODEM_UART_DEVICE
         string "Setup LoRa Modem Uart Device Name (eg:uart1,Define BSP_USING_UARTx in [Target Platform]\\Board\\Kconfig)"
-        default uart1
+        default "uart1"
         help
            Setup LoRa LoRa Modem Uart Device Name,eg:uart1,Please define BSP_USING_UARTx in the [Target Platform]\\Board\\Kconfig
 
diff --git a/tools/env/packages/packages/peripherals/lora_radio_driver/Kconfig b/tools/env/packages/packages/peripherals/lora_radio_driver/Kconfig
index 3f4bc97c..6f3f5f96 100644
--- a/tools/env/packages/packages/peripherals/lora_radio_driver/Kconfig
+++ b/tools/env/packages/packages/peripherals/lora_radio_driver/Kconfig
@@ -32,11 +32,11 @@ if PKG_USING_LORA_RADIO_DRIVER
 
             config LORA_RADIO0_DEVICE_NAME
                 string "Setup LoRa Radio Device Name"
-                default lora-radio0
+                default "lora-radio0"
 
             config LORA_RADIO0_SPI_BUS_NAME
                string "Setup LoRa Radio Spi Name (eg:spi2,Define BSP_USING_SPIx in [Target Platform]\\Board\\Kconfig)"
-                default spi2
+                default "spi2"
                 help
                    Setup LoRa Radio Spi Device Name,eg:spi2,Please define BSP_USING_SPIx in the [Target Platform]\\Board\\Kconfig
 
diff --git a/tools/env/packages/packages/peripherals/multi_infrared/Kconfig b/tools/env/packages/packages/peripherals/multi_infrared/Kconfig
index 1e5a87c4..94a31216 100644
--- a/tools/env/packages/packages/peripherals/multi_infrared/Kconfig
+++ b/tools/env/packages/packages/peripherals/multi_infrared/Kconfig
@@ -17,7 +17,7 @@ if PKG_USING_MULTI_INFRARED
     endmenu
 
 config PKG_USING_DRV_MULTI_INFRARED
-        bool "Use the multi infrared driver provided by the software package "
+        bool "Use the multi infrared driver provided by the software package"
         default y
         if PKG_USING_DRV_MULTI_INFRARED
         config MULTI_INFRARED_RECEIVE
diff --git a/tools/env/packages/packages/peripherals/vdevice/Kconfig b/tools/env/packages/packages/peripherals/vdevice/Kconfig
index 0e1fa81b..7687be79 100644
--- a/tools/env/packages/packages/peripherals/vdevice/Kconfig
+++ b/tools/env/packages/packages/peripherals/vdevice/Kconfig
@@ -11,7 +11,7 @@ if PKG_USING_VDEVICE
         default "/packages/peripherals/vdevice"
 
     config VDEVICE_USING_PIN
-        bool "Use virtualized pin "
+        bool "Use virtualized pin"
         select RT_USING_PIN
         default n
 
@@ -22,7 +22,7 @@ if PKG_USING_VDEVICE
         endif
 
     config VDEVICE_USING_LCD
-        bool "Use virtualized lcd "
+        bool "Use virtualized lcd"
         default n
 
         if VDEVICE_USING_LCD
@@ -32,7 +32,7 @@ if PKG_USING_VDEVICE
         endif
 
     config VDEVICE_USING_TOUCH
-        bool "Use virtualized touch "
+        bool "Use virtualized touch"
         select RT_USING_TOUCH
         default n
 
diff --git a/tools/env/packages/packages/system/tlsf/Kconfig b/tools/env/packages/packages/system/tlsf/Kconfig
index 489073bd..ea83e4cd 100644
--- a/tools/env/packages/packages/system/tlsf/Kconfig
+++ b/tools/env/packages/packages/system/tlsf/Kconfig
@@ -2,7 +2,6 @@
 # Kconfig file for package tlsf
 menuconfig PKG_USING_TLSF
     bool "TLSF: A dynamic memory allocation algorithm with predictable execution time and low fragmentation."
-    select RT_USING_USERHEAP
     default n
 
 if PKG_USING_TLSF
diff --git a/tools/scripts/aic_build.py b/tools/scripts/aic_build.py
index f249f5af..297d33f9 100755
--- a/tools/scripts/aic_build.py
+++ b/tools/scripts/aic_build.py
@@ -168,6 +168,15 @@ def mk_kconfig_prj(aic_root, filename):
 
         f.write('source "kernel/{}/Kconfig"\n'.format(prj_kernel))
         f.write('source "application/{}/{}/Kconfig"\n'.format(prj_kernel, prj_app))
+        if prj_kernel == 'rt-thread':
+            f.write('source "tools/env/packages/packages/Kconfig"\n')
+
+
+def update_project_env(aic_root):
+    os.environ['PKGS_ROOT'] = os.path.join(aic_root, 'tools', 'env', 'packages')
+    os.environ['PKGS_DIR'] = os.path.join(aic_root, 'tools', 'env', 'packages')
+    os.environ['RTT_ROOT'] = os.path.join(aic_root, 'kernel', 'rt-thread/')
+    os.environ['RTT_DIR'] = os.path.join(aic_root, 'kernel', 'rt-thread/')
 
 
 def apply_defconfig(aic_root, defconfig):
@@ -186,10 +195,7 @@ def apply_defconfig(aic_root, defconfig):
 
     # Should generate .Kconfig.prj before apply defconfig, because project depends on this file.
     mk_kconfig_prj(aic_root, src)
-    os.environ['PKGS_ROOT'] = os.path.join(aic_root, 'packages')
-    os.environ['PKGS_DIR'] = os.path.join(aic_root, 'packages')
-    os.environ['RTT_ROOT'] = os.path.join(aic_root, 'kernel/rt-thread/')
-    os.environ['RTT_DIR'] = os.path.join(aic_root, 'kernel/rt-thread/')
+    update_project_env(aic_root)
     pydefconfig = os.path.join(aic_root, 'kernel', 'rt-thread', 'tools',  'defconfig.py')
     defconf_cmd = 'python3 {} {}'.format(pydefconfig, src)
     os.system(defconf_cmd)
@@ -205,23 +211,16 @@ def save_defconfig(aic_root):
     defconfig = get_prj_defconfig(aic_root)
     if defconfig:
         dst = os.path.join(aic_root, 'target', 'configs', defconfig)
-        os.environ['PKGS_ROOT'] = os.path.join(aic_root, 'packages')
-        os.environ['PKGS_DIR'] = os.path.join(aic_root, 'packages')
-        os.environ['RTT_ROOT'] = os.path.join(aic_root, 'kernel/rt-thread/')
-        os.environ['RTT_DIR'] = os.path.join(aic_root, 'kernel/rt-thread/')
+        update_project_env(aic_root)
         pydefconfig = os.path.join(aic_root, 'kernel', 'rt-thread', 'tools',  'savedefconfig.py')
         defconf_cmd = 'python3 {} --out {}'.format(pydefconfig, dst)
         os.system(defconf_cmd)
 
 
 def update_defconfig(aic_root):
-    os.environ['PKGS_ROOT'] = os.path.join(aic_root, 'packages')
-    os.environ['PKGS_DIR'] = os.path.join(aic_root, 'packages')
-    os.environ['RTT_ROOT'] = os.path.join(aic_root, 'kernel/rt-thread/')
-    os.environ['RTT_DIR'] = os.path.join(aic_root, 'kernel/rt-thread/')
-    pydefconfig = os.path.join(aic_root, 'kernel', 'rt-thread', 'tools',  'olddefconfig.py')
-    defconf_cmd = 'python3 {}'.format(pydefconfig)
-    os.system(defconf_cmd)
+    defconfig = get_prj_defconfig(aic_root)
+    if defconfig:
+        apply_defconfig(aic_root, defconfig)
 
 
 # cmd-option: list defconfig without bootloader