diff --git a/riscv32_virt/liteos_m/board/driver/uart.c b/riscv32_virt/liteos_m/board/driver/uart.c
index cd411f6b658e4de356aeaaf7a448fd4184725873..0fcc796839c3bbc1194ce8abd6d0b5ce2db90bca 100644
--- a/riscv32_virt/liteos_m/board/driver/uart.c
+++ b/riscv32_virt/liteos_m/board/driver/uart.c
@@ -17,6 +17,7 @@
 
 #include "los_arch_interrupt.h"
 #include "los_interrupt.h"
+#include "riscv_hal.h"
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/riscv32_virt/liteos_m/board/driver/video/fb.c b/riscv32_virt/liteos_m/board/driver/video/fb.c
index e2b1086adb0f575c71f8f983321b749788b820b3..0b57e6389084e50da1718645aa97b2e709277183 100644
--- a/riscv32_virt/liteos_m/board/driver/video/fb.c
+++ b/riscv32_virt/liteos_m/board/driver/video/fb.c
@@ -139,7 +139,6 @@ int fb_ioctl(struct fb_mem *fbMem, int cmd, unsigned long arg)
         case FIOC_MMAP:
             { /* Get color plane info */
                 void **ppv = (void **)((uintptr_t)arg);
-                uintptr_t fbmem = (uintptr_t)fb->fbmem;
                 /* Return the address corresponding to the start of frame buffer. */
                 DEBUGASSERT(ppv != NULL);
                 *ppv = fb->fbmem;
diff --git a/riscv32_virt/liteos_m/board/driver/video/fb_mem.h b/riscv32_virt/liteos_m/board/driver/video/fb_mem.h
index 92b46cac36b243a211330b6396d62b68e3784293..cdf753efeb98f29c4a3d89e15c34f458f6dddb5d 100644
--- a/riscv32_virt/liteos_m/board/driver/video/fb_mem.h
+++ b/riscv32_virt/liteos_m/board/driver/video/fb_mem.h
@@ -32,6 +32,7 @@
 #define _FBMEM_H
 
 #include <stdint.h>
+#include <stdlib.h>
 #include "sys/types.h"
 #include "sys/stat.h"
 #ifdef LOSCFG_LIBC_NEWLIB
@@ -43,6 +44,7 @@
 #include "los_interrupt.h"
 #include "los_debug.h"
 #include "los_task.h"
+#include "los_mux.h"
 
 #define PATH_MAX 256
 #define V_CREATE     (1 << 0)
diff --git a/riscv32_virt/liteos_m/board/driver/virtinput.c b/riscv32_virt/liteos_m/board/driver/virtinput.c
index 18e82c2dac315f43ff62fe4263e32c831c4b1d9c..2f5abb6a9c1e4ef5a2de8871f083d52941e4e1b4 100644
--- a/riscv32_virt/liteos_m/board/driver/virtinput.c
+++ b/riscv32_virt/liteos_m/board/driver/virtinput.c
@@ -366,13 +366,14 @@ static int32_t InputWorkTask(void *arg)
 {
     struct Virtin *in = (struct Virtin *)arg;
 
-    while(1) {
+    while (1) {
         int32_t r = osSemaphoreAcquire(in->sem, osWaitForever);
         if (r != 0) {
             continue;
         }
         VirtinHandleEv(in);
     }
+    return HDF_FAILURE;
 }
 
 static int32_t HdfVirtinInit(struct HdfDeviceObject *device)
@@ -449,5 +450,5 @@ struct HdfDeviceObject *GetHdfDeviceObject(void)
     if(g_virtInputDev != NULL){
         return g_virtInputDev->hdfDevObj;
     }
-    return HDF_FAILURE;
+    return NULL;
 }
diff --git a/riscv32_virt/liteos_m/board/hardware/adapter/hdf_syscall_adapter.c b/riscv32_virt/liteos_m/board/hardware/adapter/hdf_syscall_adapter.c
index f63104b46c04691c83f0b2dee1927075bdd864f9..9da7a849b2d0ba1eb4e7f699e78947c14a9ededd 100644
--- a/riscv32_virt/liteos_m/board/hardware/adapter/hdf_syscall_adapter.c
+++ b/riscv32_virt/liteos_m/board/hardware/adapter/hdf_syscall_adapter.c
@@ -16,6 +16,7 @@
 #include "hdf_syscall_adapter.h"
 #include "hdf_log.h"
 #include "hdf_sbuf.h"
+#include "osal_mem.h"
 #include "devsvc_manager_clnt.h"
 
 #define HDF_LOG_TAG hdf_syscall_adapter
diff --git a/riscv32_virt/liteos_m/board/test/test_demo.c b/riscv32_virt/liteos_m/board/test/test_demo.c
index 8d5ac036ff51298fec7f20ce73353f37e419f1cf..95799df0abcfe057b592e6f6cdb6bbc418aefbce 100644
--- a/riscv32_virt/liteos_m/board/test/test_demo.c
+++ b/riscv32_virt/liteos_m/board/test/test_demo.c
@@ -29,8 +29,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-unsigned int LosAppInit(VOID)
+unsigned int LosAppInit(void)
 {
-    unsigned int ret = 0;
-    return ret;
+    return 0;
 }
\ No newline at end of file