diff --git a/bsp/cvitek/README.md b/bsp/cvitek/README.md
index fcb4ff5f87..143d848246 100755
--- a/bsp/cvitek/README.md
+++ b/bsp/cvitek/README.md
@@ -5,11 +5,13 @@
 针对算能系列 RISC-V 芯片的 bsp，包括：
 
 - 大核
+
 | 芯片名称 | 芯片架构 | 内存大小 | 默认日志串口 | 备注 |
 | ------- | ------- |------- | -------- | -------- |
 | cv1800b | RISC-V C906 | 64MByte | uart0 | 默认开启 MMU，运行 RT-SMART 模式 |
 
 - 小核
+
 | 目录 | 内存大小 | 默认日志串口 | 备注 |
 | ---- | ------- | -------- | --- |
 | c906-little | 与大核共享 | uart1 | 无 MMU，运行 RT-Thread 标准 |
diff --git a/bsp/cvitek/c906_little/.config b/bsp/cvitek/c906_little/.config
index 5c68dd97f6..96218a53e3 100644
--- a/bsp/cvitek/c906_little/.config
+++ b/bsp/cvitek/c906_little/.config
@@ -1056,6 +1056,7 @@ CONFIG_BSP_USING_UART=y
 # CONFIG_RT_USING_UART0 is not set
 CONFIG_RT_USING_UART1=y
 CONFIG_UART_IRQ_BASE=30
+# CONFIG_BSP_USING_I2C is not set
 CONFIG_BSP_USING_C906_LITTLE=y
 CONFIG_PLIC_PHY_ADDR=0x70000000
 CONFIG_IRQ_MAX_NR=128
diff --git a/bsp/cvitek/c906_little/board/Kconfig b/bsp/cvitek/c906_little/board/Kconfig
index da65c8e884..feecf2d72a 100755
--- a/bsp/cvitek/c906_little/board/Kconfig
+++ b/bsp/cvitek/c906_little/board/Kconfig
@@ -8,11 +8,11 @@ menu "General Drivers Configuration"
         if BSP_USING_UART
             config RT_USING_UART0
             bool "Enable UART 0"
-            default y
+            default n
 
             config RT_USING_UART1
             bool "Enable UART 1"
-            default n
+            default y
 
             config UART_IRQ_BASE
             int
diff --git a/bsp/cvitek/cv1800b/.config b/bsp/cvitek/cv1800b/.config
old mode 100755
new mode 100644
index 0d29229ba9..d7b611e070
--- a/bsp/cvitek/cv1800b/.config
+++ b/bsp/cvitek/cv1800b/.config
@@ -1101,7 +1101,7 @@ CONFIG_RT_USING_LDSO=y
 #
 CONFIG_BSP_USING_UART=y
 CONFIG_RT_USING_UART0=y
-CONFIG_UART_IRQ_BASE=30
+CONFIG_UART_IRQ_BASE=44
 # CONFIG_RT_USING_UART1 is not set
 # CONFIG_RT_USING_UART2 is not set
 # CONFIG_RT_USING_UART3 is not set
diff --git a/bsp/cvitek/cv1800b/board/Kconfig b/bsp/cvitek/cv1800b/board/Kconfig
index e87c3f0163..d2d557ef5d 100755
--- a/bsp/cvitek/cv1800b/board/Kconfig
+++ b/bsp/cvitek/cv1800b/board/Kconfig
@@ -12,7 +12,7 @@ menu "General Drivers Configuration"
 
             config UART_IRQ_BASE
             int
-            default 30
+            default 44
             
             config RT_USING_UART1
             bool "Enable UART 1"
diff --git a/bsp/cvitek/cv1800b/rtconfig.h b/bsp/cvitek/cv1800b/rtconfig.h
index 1884389e2e..bc25c865da 100755
--- a/bsp/cvitek/cv1800b/rtconfig.h
+++ b/bsp/cvitek/cv1800b/rtconfig.h
@@ -304,7 +304,7 @@
 
 #define BSP_USING_UART
 #define RT_USING_UART0
-#define UART_IRQ_BASE 30
+#define UART_IRQ_BASE 44
 #define BSP_USING_CV1800B
 #define C906_PLIC_PHY_ADDR 0x70000000
 #define IRQ_MAX_NR 64
diff --git a/bsp/cvitek/cv1800b/rtconfig.py b/bsp/cvitek/cv1800b/rtconfig.py
index 02a7c93f1d..0914d5c010 100755
--- a/bsp/cvitek/cv1800b/rtconfig.py
+++ b/bsp/cvitek/cv1800b/rtconfig.py
@@ -56,4 +56,4 @@ if PLATFORM == 'gcc':
     CXXFLAGS = CFLAGS
 
 DUMP_ACTION = OBJDUMP + ' -D -S $TARGET > rtthread.asm\n'
-POST_ACTION = OBJCPY + ' -O binary $TARGET Image\n' + SIZE + ' $TARGET \n' + './mksdimg.sh\n' + 'cd ../ && ./combine-fip.sh\n'
+POST_ACTION = OBJCPY + ' -O binary $TARGET Image\n' + SIZE + ' $TARGET \n' + './mksdimg.sh\n'