diff --git a/components/trace/cnv/trace_cnv.c b/components/trace/cnv/trace_cnv.c
index 3be7a07aa8d1ad7f8f2b27e5ff9e641cab558cd5..30416334333b2c972fcefd73363bd91059543171 100644
--- a/components/trace/cnv/trace_cnv.c
+++ b/components/trace/cnv/trace_cnv.c
@@ -218,7 +218,7 @@ STATIC VOID LOS_TraceSwtmrExpired(const SWTMR_CTRL_S *swtmr)
 
 STATIC VOID LOS_TraceSwtmrStart(const SWTMR_CTRL_S *swtmr)
 {
-    LOS_TRACE(SWTMR_START, swtmr->usTimerID, swtmr->ucMode, swtmr->uwCount, swtmr->uwInterval, 0);
+    LOS_TRACE(SWTMR_START, swtmr->usTimerID, swtmr->ucMode, swtmr->uwInterval);
 }
 
 STATIC VOID LOS_TraceSwtmrStop(const SWTMR_CTRL_S *swtmr)
diff --git a/components/trace/los_trace.c b/components/trace/los_trace.c
index 838db5408876dec88ed4d3bc206b3f835804692e..523eea951203919769c09e655d4ec788d5440f95 100644
--- a/components/trace/los_trace.c
+++ b/components/trace/los_trace.c
@@ -240,7 +240,7 @@ STATIC UINT32 OsCreateTraceAgentTask(VOID)
 }
 #endif
 
-UINT32 LOS_TraceInit(VOID *buf, UINT32 size)
+UINT32 OsTraceInit(VOID)
 {
     UINT32 intSave;
     UINT32 ret;
@@ -267,10 +267,15 @@ UINT32 LOS_TraceInit(VOID *buf, UINT32 size)
     }
 #endif
 
-    ret = OsTraceBufInit(buf, size);
+#if (LOSCFG_RECORDER_MODE_OFFLINE == 1)
+    ret = OsTraceBufInit(LOSCFG_TRACE_BUFFER_SIZE);
     if (ret != LOS_OK) {
-        goto LOS_RELEASE;
+#if (LOSCFG_TRACE_CONTROL_AGENT == 1)
+        (VOID)LOS_TaskDelete(g_traceTaskId);
+#endif
+        goto LOS_ERREND;
     }
+#endif
 
     OsTraceHookInstall();
     OsTraceCnvInit();
@@ -286,10 +291,6 @@ UINT32 LOS_TraceInit(VOID *buf, UINT32 size)
 #endif
     TRACE_UNLOCK(intSave);
     return LOS_OK;
-LOS_RELEASE:
-#if (LOSCFG_TRACE_CONTROL_AGENT == 1)
-    LOS_TaskDelete(g_traceTaskId);
-#endif
 LOS_ERREND:
     TRACE_UNLOCK(intSave);
     return ret;
diff --git a/components/trace/los_trace.h b/components/trace/los_trace.h
index cc13a126e9aa04a1c375127c65c80193b529c50e..fd8ead928a8a91456d06c1a198428e41d6621d64 100644
--- a/components/trace/los_trace.h
+++ b/components/trace/los_trace.h
@@ -320,7 +320,7 @@ extern TRACE_EVENT_HOOK g_traceEventHook;
 #define TASK_RESUME_PARAMS(taskId, taskStatus, prio)     taskId, taskStatus, prio
 #define TASK_SIGNAL_PARAMS(taskId, signal, schedFlag)    // taskId, signal, schedFlag
 
-#define SWTMR_START_PARAMS(swtmrId, mode, overrun, interval, expiry)  swtmrId, mode, overrun, interval, expiry
+#define SWTMR_START_PARAMS(swtmrId, mode, interval)  swtmrId, mode, interval
 #define SWTMR_DELETE_PARAMS(swtmrId)                                  swtmrId
 #define SWTMR_EXPIRED_PARAMS(swtmrId)                                 swtmrId
 #define SWTMR_STOP_PARAMS(swtmrId)                                    swtmrId
@@ -434,33 +434,6 @@ extern TRACE_EVENT_HOOK g_traceEventHook;
 #define LOS_TRACE_EASY(...)
 #endif
 
-/**
- * @ingroup los_trace
- * @brief Intialize the trace when the system startup.
- *
- * @par Description:
- * This API is used to intilize the trace for system level.
- * @attention
- * <ul>
- * <li>This API can be called only after the memory is initialized. Otherwise, the Trace Init will be fail.</li>
- * </ul>
- *
- * @param buf        [IN] Type #VOID *. The ptr is trace buffer address, if ptr is NULL, system will malloc a new one in
- *                                  trace offline mode.
- * @param size       [IN] Type #UINT32. The trace buffer's size.
- *
- * @retval #LOS_ERRNO_TRACE_ERROR_STATUS        0x02001400: The trace status is not TRACE_UNINIT.
- * @retval #LOS_ERRNO_TRACE_NO_MEMORY           0x02001401: The memory is not enough for initilize.
- * @retval #LOS_ERRNO_TRACE_BUF_TOO_SMALL       0x02001402: Trace buf size not enough.
- * @retval #LOS_ERRNO_TSK_TCB_UNAVAILABLE       0x02000211: No free task control block is available.
- * @retval #LOS_ERRNO_TSK_MP_SYNC_RESOURCE      0x02000225: Mp sync resource create failed
- * @retval #LOS_OK                              0x00000000: The intialization is successful.
- * @par Dependency:
- * <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
- * @see LOS_TraceInit
- */
-extern UINT32 LOS_TraceInit(VOID *buf, UINT32 size);
-
 /**
  * @ingroup los_trace
  * @brief Start trace.
diff --git a/components/trace/los_trace_pri.h b/components/trace/los_trace_pri.h
index 6d8d1abd9aa4e17de0d31fb30a800fa704dcc494..a011e4254fbb0532ccc50247553668a0becca40f 100644
--- a/components/trace/los_trace_pri.h
+++ b/components/trace/los_trace_pri.h
@@ -119,10 +119,10 @@ typedef struct {
     OfflineHead *head;
 } TraceOfflineHeaderInfo;
 
+extern UINT32 OsTraceInit(VOID);
 extern UINT32 OsTraceGetMaskTid(UINT32 taskId);
 extern VOID OsTraceSetObj(ObjData *obj, const LosTaskCB *tcb);
 extern VOID OsTraceWriteOrSendEvent(const TraceEventFrame *frame);
-extern UINT32 OsTraceBufInit(VOID *buf, UINT32 size);
 extern VOID OsTraceObjAdd(UINT32 eventType, UINT32 taskId);
 extern BOOL OsTraceIsEnable(VOID);
 extern OfflineHead *OsTraceRecordGet(VOID);
@@ -145,6 +145,7 @@ extern VOID OsTraceSendNotify(UINT32 type, UINT32 value);
 #define OsTraceReset()
 #define OsTraceRecordDump(toClient)
 #else
+extern UINT32 OsTraceBufInit(UINT32 size);
 extern VOID OsTraceReset(VOID);
 extern VOID OsTraceRecordDump(BOOL toClient);
 #define OsTraceNotifyStart()
diff --git a/components/trace/trace_offline.c b/components/trace/trace_offline.c
index 0d972996ba643402dabfe7f8d15ce1c105893580..37d361e6e7fc3f9bffa4a7d7a9c1f35b342b21c1 100644
--- a/components/trace/trace_offline.c
+++ b/components/trace/trace_offline.c
@@ -49,21 +49,19 @@ UINT32 OsTraceGetMaskTid(UINT32 tid)
     return tid | ((tid < LOSCFG_BASE_CORE_TSK_LIMIT) ? g_tidMask[tid] << BITS_NUM_FOR_TASK_ID : 0); /* tid < 65535 */
 }
 
-UINT32 OsTraceBufInit(VOID *buf, UINT32 size)
+UINT32 OsTraceBufInit(UINT32 size)
 {
     UINT32 headSize;
-
+    VOID *buf = NULL;
     headSize = sizeof(OfflineHead) + sizeof(ObjData) * LOSCFG_TRACE_OBJ_MAX_NUM;
     if (size <= headSize) {
         TRACE_ERROR("trace buf size not enough than 0x%x\n", headSize);
         return LOS_ERRNO_TRACE_BUF_TOO_SMALL;
     }
 
+    buf = LOS_MemAlloc(m_aucSysMem0, size);
     if (buf == NULL) {
-        buf = LOS_MemAlloc(m_aucSysMem0, size);
-        if (buf == NULL) {
-            return LOS_ERRNO_TRACE_NO_MEMORY;
-        }
+        return LOS_ERRNO_TRACE_NO_MEMORY;
     }
 
     (VOID)memset_s(buf, size, 0, size);
diff --git a/components/trace/trace_online.c b/components/trace/trace_online.c
index 57be79ecf50d24a79e159e64e83173da8c0d9924..a8d23edd89d30e90fbadeebd3f0bcc6f2ce43a26 100644
--- a/components/trace/trace_online.c
+++ b/components/trace/trace_online.c
@@ -44,13 +44,6 @@ UINT32 OsTraceGetMaskTid(UINT32 taskId)
     return taskId;
 }
 
-UINT32 OsTraceBufInit(VOID *buf, UINT32 size)
-{
-    (VOID)buf;
-    (VOID)size;
-    return LOS_OK;
-}
-
 VOID OsTraceSendHead(VOID)
 {
     TraceBaseHeaderInfo head = {
diff --git a/kernel/src/los_init.c b/kernel/src/los_init.c
index 72e143af902ac6385b4ccaaf0dd983b9deec7426..f4ae35fbe579d5a517d04a072b8798da1bb534c1 100644
--- a/kernel/src/los_init.c
+++ b/kernel/src/los_init.c
@@ -187,9 +187,9 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_KernelInit(VOID)
     }
 
 #if (LOSCFG_KERNEL_TRACE == 1)
-    ret = LOS_TraceInit(NULL, LOSCFG_TRACE_BUFFER_SIZE);
+    ret = OsTraceInit(LOSCFG_TRACE_BUFFER_SIZE);
     if (ret != LOS_OK) {
-        PRINT_ERR("LOS_TraceInit error\n");
+        PRINT_ERR("OsTraceInit error\n");
         return ret;
     }
 #endif