diff --git a/core/bus_center/ipc/include/lnn_bus_center_ipc.h b/core/bus_center/ipc/include/lnn_bus_center_ipc.h
index 66caf00640ee4574126ad66028a6cb36c05d38b4..ecf7a4239464c736ae4026f3e86a0679c462aa17 100644
--- a/core/bus_center/ipc/include/lnn_bus_center_ipc.h
+++ b/core/bus_center/ipc/include/lnn_bus_center_ipc.h
@@ -38,7 +38,7 @@ int32_t LnnIpcSetNodeDataChangeFlag(const char *pkgName, const char *networkId,
 int32_t LnnIpcGetNodeKeyInfoLen(int32_t key);
 int32_t LnnIpcStartTimeSync(
     const char *pkgName, int32_t callingPid, const char *targetNetworkId, int32_t accuracy, int32_t period);
-int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId);
+int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid);
 int32_t LnnIpcPublishLNN(const char *pkgName, const PublishInfo *info);
 int32_t LnnIpcStopPublishLNN(const char *pkgName, int32_t publishId);
 int32_t LnnIpcRefreshLNN(const char *pkgName, int32_t callingPid, const SubscribeInfo *info);
diff --git a/core/bus_center/ipc/mini/lnn_bus_center_ipc.c b/core/bus_center/ipc/mini/lnn_bus_center_ipc.c
index f662e8fd7e3f7a79dd36bbd994e08c7daf04ef60..2cf951ebe1e253892a52ca07746478fb4f1dccf4 100644
--- a/core/bus_center/ipc/mini/lnn_bus_center_ipc.c
+++ b/core/bus_center/ipc/mini/lnn_bus_center_ipc.c
@@ -99,9 +99,9 @@ NO_SANITIZE("cfi") int32_t LnnIpcStartTimeSync(const char *pkgName, int32_t call
     return LnnStartTimeSync(pkgName, callingPid, targetNetworkId, (TimeSyncAccuracy)accuracy, (TimeSyncPeriod)period);
 }
 
-NO_SANITIZE("cfi") int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId)
+NO_SANITIZE("cfi") int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid)
 {
-    return LnnStopTimeSync(pkgName, targetNetworkId);
+    return LnnStopTimeSync(pkgName, targetNetworkId, callingPid);
 }
 
 NO_SANITIZE("cfi") int32_t LnnIpcPublishLNN(const char *pkgName, const PublishInfo *info)
diff --git a/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c b/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c
index a8ecf21d01a98fae64c2986ecf8efb808d56aaf9..144a19b8a3c420cdc2f37a64d5f14ede54afe918 100644
--- a/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c
+++ b/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c
@@ -299,9 +299,9 @@ NO_SANITIZE("cfi") int32_t LnnIpcStartTimeSync(const char *pkgName,  int32_t cal
     return LnnStartTimeSync(pkgName, callingPid, targetNetworkId, (TimeSyncAccuracy)accuracy, (TimeSyncPeriod)period);
 }
 
-NO_SANITIZE("cfi") int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId)
+NO_SANITIZE("cfi") int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid)
 {
-    return LnnStopTimeSync(pkgName, targetNetworkId);
+    return LnnStopTimeSync(pkgName, targetNetworkId, callingPid);
 }
 
 NO_SANITIZE("cfi") int32_t LnnIpcPublishLNN(const char *pkgName, const PublishInfo *info)
diff --git a/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp b/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp
index 8a70af855594e788f65df3d9e5036ae41c3c6724..aa765f57ffe0db183ab0bb8a37ee24c05f6339ed 100644
--- a/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp
+++ b/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp
@@ -335,9 +335,9 @@ NO_SANITIZE("cfi") int32_t LnnIpcStartTimeSync(const char *pkgName,  int32_t cal
     return LnnStartTimeSync(pkgName, callingPid, targetNetworkId, (TimeSyncAccuracy)accuracy, (TimeSyncPeriod)period);
 }
 
-NO_SANITIZE("cfi") int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId)
+NO_SANITIZE("cfi") int32_t LnnIpcStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid)
 {
-    return LnnStopTimeSync(pkgName, targetNetworkId);
+    return LnnStopTimeSync(pkgName, targetNetworkId, callingPid);
 }
 
 NO_SANITIZE("cfi") int32_t LnnIpcPublishLNN(const char *pkgName, const PublishInfo *info)
diff --git a/core/bus_center/lnn/lane_hub/time_sync/include/lnn_time_sync_manager.h b/core/bus_center/lnn/lane_hub/time_sync/include/lnn_time_sync_manager.h
index 6f3cb202e550e8d3923712bca1d2b1707ea930ef..80030a5339fc8f1d2492add84b417e1ce7292e91 100644
--- a/core/bus_center/lnn/lane_hub/time_sync/include/lnn_time_sync_manager.h
+++ b/core/bus_center/lnn/lane_hub/time_sync/include/lnn_time_sync_manager.h
@@ -25,7 +25,7 @@ extern "C" {
 
 int32_t LnnStartTimeSync(const char *pkgName, int32_t callingPid, const char *targetNetworkId,
     TimeSyncAccuracy accuracy, TimeSyncPeriod period);
-int32_t LnnStopTimeSync(const char *pkgName, const char *targetNetworkId);
+int32_t LnnStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid);
 
 int32_t LnnInitTimeSync(void);
 void LnnDeinitTimeSync(void);
diff --git a/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager.c b/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager.c
index 9c176247206105f7af87837ec632468c0110ebce..2c81df89dca2ede04585569fbe2f61b20f9e2753 100644
--- a/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager.c
+++ b/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager.c
@@ -69,6 +69,7 @@ typedef struct {
 } StartTimeSyncReqMsgPara;
 
 typedef struct {
+    int32_t pid;
     char pkgName[PKG_NAME_SIZE_MAX];
     char targetNetworkId[NETWORK_ID_BUF_LEN];
 } StopTimeSyncReqMsgPara;
@@ -167,13 +168,13 @@ static int32_t TryUpdateStartTimeSyncReq(TimeSyncReqInfo *info, const StartTimeS
     return SOFTBUS_OK;
 }
 
-static void RemoveStartTimeSyncReq(const TimeSyncReqInfo *info, const char *pkgName)
+static void RemoveStartTimeSyncReq(const TimeSyncReqInfo *info, const char *pkgName, int32_t callingPid)
 {
     StartTimeSyncReq *item = NULL;
     StartTimeSyncReq *next = NULL;
 
     LIST_FOR_EACH_ENTRY_SAFE(item, next, &info->startReqList, StartTimeSyncReq, node) {
-        if (strcmp(pkgName, item->pkgName) != 0) {
+        if (strcmp(pkgName, item->pkgName) != 0 || item->pid != callingPid) {
             continue;
         }
         ListDelete(&item->node);
@@ -227,7 +228,7 @@ static int32_t ProcessStartTimeSyncRequest(const StartTimeSyncReqMsgPara *para)
             if (LnnStartTimeSyncImpl(existInfo->targetNetworkId, existInfo->curAccuracy,
                 existInfo->curPeriod, &g_timeSyncImplCb) != SOFTBUS_OK) {
                 SoftBusLog(SOFTBUS_LOG_LNN, SOFTBUS_LOG_ERROR, "start time sync fail");
-                RemoveStartTimeSyncReq(existInfo, para->pkgName);
+                RemoveStartTimeSyncReq(existInfo, para->pkgName, para->pid);
                 break;
             }
         }
@@ -293,7 +294,7 @@ static int32_t ProcessStopTimeSyncRequest(const StopTimeSyncReqMsgPara *para)
         SoftBusFree((void *)para);
         return SOFTBUS_ERR;
     }
-    RemoveStartTimeSyncReq(info, para->pkgName);
+    RemoveStartTimeSyncReq(info, para->pkgName, para->pid);
     TryUpdateTimeSyncReq(info);
     SoftBusFree((void *)para);
     return SOFTBUS_OK;
@@ -335,7 +336,7 @@ static void RemoveAllStartTimeSyncReq(TimeSyncReqInfo *info)
     StartTimeSyncReq *startTimeSyncNextItem = NULL;
 
     LIST_FOR_EACH_ENTRY_SAFE(startTimeSyncItem, startTimeSyncNextItem, &info->startReqList, StartTimeSyncReq, node) {
-        RemoveStartTimeSyncReq(info, startTimeSyncItem->pkgName);
+        RemoveStartTimeSyncReq(info, startTimeSyncItem->pkgName, startTimeSyncItem->pid);
     }
     (void)LnnStopTimeSyncImpl(info->targetNetworkId);
     ListDelete(&info->node);
@@ -530,7 +531,7 @@ NO_SANITIZE("cfi") int32_t LnnStartTimeSync(const char *pkgName, int32_t calling
     return SOFTBUS_OK;
 }
 
-NO_SANITIZE("cfi") int32_t LnnStopTimeSync(const char *pkgName, const char *targetNetworkId)
+NO_SANITIZE("cfi") int32_t LnnStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid)
 {
     StopTimeSyncReqMsgPara *para = NULL;
 
@@ -547,6 +548,7 @@ NO_SANITIZE("cfi") int32_t LnnStopTimeSync(const char *pkgName, const char *targ
         SoftBusLog(SOFTBUS_LOG_LNN, SOFTBUS_LOG_ERROR, "malloc stop time sync request msg para fail");
         return SOFTBUS_MALLOC_ERR;
     }
+    para->pid = callingPid;
     if (strncpy_s(para->pkgName, PKG_NAME_SIZE_MAX, pkgName, strlen(pkgName)) != EOK ||
         strncpy_s(para->targetNetworkId, NETWORK_ID_BUF_LEN, targetNetworkId, strlen(targetNetworkId)) != EOK) {
         SoftBusLog(SOFTBUS_LOG_LNN, SOFTBUS_LOG_ERROR, "copy time sync request info fail");
diff --git a/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager_virtual.c b/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager_virtual.c
index c8d0cc5a797d2a27e7d7e168e3df1257c8aa5f43..f8d1b0389770fdc54b0efeb2180579b8b18be686 100644
--- a/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager_virtual.c
+++ b/core/bus_center/lnn/lane_hub/time_sync/src/lnn_time_sync_manager_virtual.c
@@ -29,10 +29,11 @@ int32_t LnnStartTimeSync(const char *pkgName, int32_t callingPid, const char *ta
     return SOFTBUS_NOT_IMPLEMENT;
 }
 
-int32_t LnnStopTimeSync(const char *pkgName, const char *targetNetworkId)
+int32_t LnnStopTimeSync(const char *pkgName, const char *targetNetworkId, int32_t callingPid)
 {
     (void)pkgName;
     (void)targetNetworkId;
+    (void)callingPid;
     return SOFTBUS_NOT_IMPLEMENT;
 }
 
diff --git a/core/frame/small/init/src/bus_center_server_stub.c b/core/frame/small/init/src/bus_center_server_stub.c
index b180371ca64051aa03b2a040fe1288fa7f293ea1..44ff15bd4e36753c15f2a11090443c2a4a103ec9 100644
--- a/core/frame/small/init/src/bus_center_server_stub.c
+++ b/core/frame/small/init/src/bus_center_server_stub.c
@@ -287,7 +287,7 @@ int32_t ServerStopTimeSync(IpcIo *req, IpcIo *reply)
         SoftBusLog(SOFTBUS_LOG_COMM, SOFTBUS_LOG_ERROR, "ServerStopTimeSync no permission.");
         return SOFTBUS_PERMISSION_DENIED;
     }
-    int32_t ret = LnnIpcStopTimeSync(pkgName, targetNetworkId);
+    int32_t ret = LnnIpcStopTimeSync(pkgName, targetNetworkId, 0);
     if (ret != SOFTBUS_OK) {
         SoftBusLog(SOFTBUS_LOG_COMM, SOFTBUS_LOG_ERROR, "ServerStopTimeSync start time sync failed.");
         return SOFTBUS_ERR;
diff --git a/core/frame/standard/init/src/softbus_server.cpp b/core/frame/standard/init/src/softbus_server.cpp
index 5bbb666626beb527632c6318283a5d6e225c8cfb..b66f72938dd01f101ef20f573f478132d56dace7 100644
--- a/core/frame/standard/init/src/softbus_server.cpp
+++ b/core/frame/standard/init/src/softbus_server.cpp
@@ -238,7 +238,8 @@ int32_t SoftBusServer::StartTimeSync(const char *pkgName, const char *targetNetw
 
 int32_t SoftBusServer::StopTimeSync(const char *pkgName, const char *targetNetworkId)
 {
-    return LnnIpcStopTimeSync(pkgName, targetNetworkId);
+    pid_t callingPid = OHOS::IPCSkeleton::GetCallingPid();
+    return LnnIpcStopTimeSync(pkgName, targetNetworkId, callingPid);
 }
 
 int32_t SoftBusServer::QosReport(int32_t channelId, int32_t chanType, int32_t appType, int32_t quality)
diff --git a/sdk/bus_center/ipc/mini/bus_center_server_proxy.c b/sdk/bus_center/ipc/mini/bus_center_server_proxy.c
index 420301e18e211ae6b1e0899d711c7664ca617947..8b62459622cbc0a54fe503f93e42402b9e14a427 100644
--- a/sdk/bus_center/ipc/mini/bus_center_server_proxy.c
+++ b/sdk/bus_center/ipc/mini/bus_center_server_proxy.c
@@ -87,7 +87,7 @@ int32_t ServerIpcStartTimeSync(const char *pkgName, const char *targetNetworkId,
 
 int32_t ServerIpcStopTimeSync(const char *pkgName, const char *targetNetworkId)
 {
-    return LnnIpcStopTimeSync(pkgName, targetNetworkId);
+    return LnnIpcStopTimeSync(pkgName, targetNetworkId, 0);
 }
 
 int32_t ServerIpcPublishLNN(const char *pkgName, const PublishInfo *info)