diff --git a/riscv32_virt/liteos_m/board/driver/virtnet.c b/riscv32_virt/liteos_m/board/driver/virtnet.c
index 66549e9b3cdc6ff44a66d4ff08b3304f5708adc9..3ccf256f8536ac5f48eef2948ffb6b2bbefc7504 100644
--- a/riscv32_virt/liteos_m/board/driver/virtnet.c
+++ b/riscv32_virt/liteos_m/board/driver/virtnet.c
@@ -27,15 +27,17 @@
 #include "los_sched.h"
 VOID LOS_TaskLockSave(UINT32 *intSave)
 {
+    UINT32 cpuid = ArchCurrCpuid();
     *intSave = LOS_IntLock();
-    g_losTaskLock++;
+    g_losTaskLock[cpuid]++;
 }
 
 VOID LOS_TaskUnlockRestore(UINT32 intSave)
 {
-    if (g_losTaskLock > 0) {
-        g_losTaskLock--;
-        if (g_losTaskLock == 0) {
+    UINT32 cpuid = ArchCurrCpuid();
+    if (g_losTaskLock[cpuid] > 0) {
+        g_losTaskLock[cpuid]--;
+        if (g_losTaskLock[cpuid] == 0) {
             LOS_IntRestore(intSave);
             LOS_Schedule();
             return;