diff --git a/components/cpup/los_cpup.c b/components/cpup/los_cpup.c
index f802639f..b403ee31 100644
--- a/components/cpup/los_cpup.c
+++ b/components/cpup/los_cpup.c
@@ -117,7 +117,24 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsCpupGuardCreator(VOID)
     return LOS_OK;
 }
 #endif
+
+/*****************************************************************************
+Function   : OsCpupDaemonInit
+Description: initialization of CPUP Daemon
+Input      : None
+Return     : LOS_OK or Error Information
+*****************************************************************************/
+LITE_OS_SEC_TEXT_INIT UINT32 OsCpupDaemonInit()
+{
+#if (LOSCFG_BASE_CORE_SWTMR == 1)
+    (VOID)OsCpupGuardCreator();
+    g_irqCpupInitFlg = 1;
 #endif
+
+    return LOS_OK;
+}
+#endif
+
 /*****************************************************************************
 Function   : OsCpupInit
 Description: initialization of CPUP
@@ -127,32 +144,25 @@ Return     : LOS_OK or Error Information
 LITE_OS_SEC_TEXT_INIT UINT32 OsCpupInit()
 {
     UINT32 size;
+    CHAR *cpupMem = NULL;
 
     size = g_taskMaxNum * sizeof(OsCpupCB);
-    g_cpup = (OsCpupCB *)LOS_MemAlloc(m_aucSysMem0, size);
-
-    if (g_cpup == NULL) {
-        return LOS_ERRNO_CPUP_NO_MEMORY;
-    }
-
-    // Ignore the return code when matching CSEC rule 6.6(3).
-    (VOID)memset_s(g_cpup, size, 0, size);
-    g_cpupInitFlg = 1;
-
 #if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
-    size = LOSCFG_PLATFORM_HWI_LIMIT * sizeof(OsIrqCpupCB);
-    g_irqCpup = (OsIrqCpupCB *)LOS_MemAlloc(m_aucSysMem0, size);
-    if (g_irqCpup == NULL) {
+    size += LOSCFG_PLATFORM_HWI_LIMIT * sizeof(OsIrqCpupCB);
+#endif
+
+    cpupMem = LOS_MemAlloc(m_aucSysMem0, size);
+    if (cpupMem == NULL) {
         return LOS_ERRNO_CPUP_NO_MEMORY;
     }
+    (VOID)memset_s(cpupMem, size, 0, size);
 
-    (VOID)memset_s(g_irqCpup, size, 0, size);
-#if (LOSCFG_BASE_CORE_SWTMR == 1)
-    (VOID)OsCpupGuardCreator();
-    g_irqCpupInitFlg = 1;
+    g_cpup = (OsCpupCB *)cpupMem;
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    g_irqCpup = (OsIrqCpupCB *)(cpupMem + g_taskMaxNum * sizeof(OsCpupCB));
 #endif
 
-#endif
+    g_cpupInitFlg = 1;
 
     return LOS_OK;
 }
diff --git a/components/cpup/los_cpup.h b/components/cpup/los_cpup.h
index eec1f7f5..89e20cb5 100644
--- a/components/cpup/los_cpup.h
+++ b/components/cpup/los_cpup.h
@@ -171,6 +171,7 @@ typedef struct {
  */
 extern UINT32 OsCpupInit(VOID);
 
+extern UINT32 OsCpupDaemonInit(VOID);
 /**
  * @ingroup los_cpup
  * @brief Start task to get cycles count in current task ending.
diff --git a/kernel/src/los_init.c b/kernel/src/los_init.c
index 09c86187..6bba060a 100644
--- a/kernel/src/los_init.c
+++ b/kernel/src/los_init.c
@@ -181,6 +181,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_KernelInit(VOID)
     OsTaskMonInit();
 #endif
 
+#if (LOSCFG_BASE_CORE_CPUP == 1)
+    ret = OsCpupInit();
+    if (ret != LOS_OK) {
+        PRINT_ERR("OsCpupInit error\n");
+        return ret;
+    }
+#endif
+
 #if (LOSCFG_BASE_IPC_SEM == 1)
     ret = OsSemInit();
     if (ret != LOS_OK) {
@@ -211,12 +219,12 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_KernelInit(VOID)
     }
 #endif
 
-#if (LOSCFG_BASE_CORE_CPUP == 1)
-        ret = OsCpupInit();
-        if (ret != LOS_OK) {
-            PRINT_ERR("OsCpupInit error\n");
-            return ret;
-        }
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    ret = OsCpupDaemonInit();
+    if (ret != LOS_OK) {
+        PRINT_ERR("OsCpupDaemonInit error\n");
+        return ret;
+    }
 #endif
 
 #if (LOSCFG_FS_VFS == 1)