diff --git a/KConfig b/KConfig
index ac17c10708525db6f1741e96817773f51ab7d68c..506c20ff586832ec722425fb9dcc5de52845e271 100644
--- a/KConfig
+++ b/KConfig
@@ -1,2 +1,3 @@
 source "$RTT_DIR/src/KConfig"
+source "$RTT_DIR/libcpu/Kconfig"
 source "$RTT_DIR/components/KConfig"
diff --git a/components/net/KConfig b/components/net/KConfig
index c52c12f7d3a19f5fe1425907c9d1ad6b59bb2aff..cd758cd33af86e5fa237b323d79cc7b87119931e 100644
--- a/components/net/KConfig
+++ b/components/net/KConfig
@@ -55,6 +55,20 @@ config RT_USING_LWIP
                     default n
             endif
 
+            if !RT_LWIP_DHCP
+                config RT_LWIP_IPADDR
+                    string "IPv4: IP address"
+                    default 192.168.1.30
+
+                config RT_LWIP_GWADDR
+                    string "IPv4: Gateway address"
+                    default 192.168.1.1
+                
+                config RT_LWIP_MSKADDR
+                    string "IPv4: Mask address"
+                    default 255.255.255.0
+            endif
+
         config RT_LWIP_UDP
             bool "UDP protocol"
             default y
diff --git a/libcpu/Kconfig b/libcpu/Kconfig
new file mode 100644
index 0000000000000000000000000000000000000000..0358141576833bdcfedf694936a758ba510bc467
--- /dev/null
+++ b/libcpu/Kconfig
@@ -0,0 +1,75 @@
+config ARCH_ARM
+    bool
+
+config ARCH_ARM_CORTEX_M
+    bool
+    select ARCH_ARM
+
+config ARCH_ARM_CORTEX_M0
+    bool
+    select ARCH_ARM_CORTEX_M
+
+config ARCH_ARM_CORTEX_M3
+    bool
+    select ARCH_ARM_CORTEX_M
+
+config ARCH_ARM_MPU
+    bool
+    depends on ARCH_ARM
+
+config ARCH_ARM_CORTEX_M4
+    bool
+    select ARCH_ARM_CORTEX_M
+
+config ARCH_ARM_CORTEX_M7
+    bool
+    select ARCH_ARM_CORTEX_M
+
+config ARCH_ARM_CORTEX_R
+    bool
+    select ARCH_ARM
+
+config ARCH_ARM_MMU
+    bool
+    depends on ARCH_ARM
+
+config ARCH_ARM_CORTEX_A5
+    bool
+    select ARCH_ARM
+
+config ARCH_ARM_CORTEX_A7
+    bool
+    select ARCH_ARM
+
+config ARCH_ARM_CORTEX_A8
+    bool
+    select ARCH_ARM
+
+config ARCH_ARM_CORTEX_A9
+    bool
+    select ARCH_ARM
+
+config ARCH_MIPS
+    bool
+
+config ARCH_MIPS_XBURST
+    bool
+    select ARCH_MIPS
+
+config ARCH_ANDES
+    bool
+
+config ARCH_CSKY
+    bool
+
+config ARCH_POWERPC
+    bool
+
+config ARCH_RISCV
+    bool
+
+config ARCH_IA32
+    bool
+
+config ARCH_HOST_SIMULATOR
+    bool