diff --git a/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_cmd_parser.cpp b/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_cmd_parser.cpp
index bd67cd215b5b3f1849ed7d7ff4f6c11f99a055bd..68048a8793641a884e74f16a87f920adea71ae1a 100644
--- a/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_cmd_parser.cpp
+++ b/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_cmd_parser.cpp
@@ -193,7 +193,7 @@ ON_IPC_CMD(SERVER_DEVICE_STATE_NOTIFY, IpcIo &reply)
     DmDeviceState deviceState = static_cast<DmDeviceState>(IpcIoPopInt32(&reply));
     uint32_t size;
     const DmDeviceInfo *deviceInfo = (const DmDeviceInfo*)IpcIoPopFlatObj(&reply, &size);
-    if (pkgName == "" || len == 0 || deviceInfo == NULL) {
+    if (deviceInfo == NULL) {
         DMLOG(DM_LOG_ERROR, "OnDeviceOnline, get para failed");
         return;
     }
@@ -220,7 +220,7 @@ ON_IPC_CMD(SERVER_DEVICE_FOUND, IpcIo &reply)
     uint16_t subscribeId = IpcIoPopUint16(&reply);
     uint32_t size;
     const DmDeviceInfo *deviceInfo = (const DmDeviceInfo*)IpcIoPopFlatObj(&reply, &size);
-    if (pkgName == "" || len == 0 || deviceInfo == NULL) {
+    if (deviceInfo == NULL) {
         DMLOG(DM_LOG_ERROR, "OnDeviceChanged, get para failed");
         return;
     }
@@ -234,10 +234,6 @@ ON_IPC_CMD(SERVER_DISCOVER_FINISH, IpcIo &reply)
     uint16_t subscribeId = IpcIoPopUint16(&reply);
     int32_t failedReason = IpcIoPopInt32(&reply);
 
-    if (pkgName == "" || len == 0) {
-        DMLOG(DM_LOG_ERROR, "OnDiscoverySuccess, get para failed");
-        return;
-    }
     if (failedReason == DEVICEMANAGER_OK) {
         DeviceManagerNotify::GetInstance().OnDiscoverySuccess(pkgName, subscribeId);
     } else {
@@ -255,10 +251,6 @@ ON_IPC_CMD(SERVER_AUTH_RESULT, IpcIo &reply)
     int32_t status = IpcIoPopInt32(&reply);
     int32_t reason = IpcIoPopInt32(&reply);
 
-    if (pkgName == "" || len == 0 || deviceId == "" || devIdLen == 0) {
-        DMLOG(DM_LOG_ERROR, "OnAuthResult, get para failed");
-        return;
-    }
     DeviceManagerNotify::GetInstance().OnAuthResult(pkgName, deviceId, pinToken, status, reason);
 }
 
@@ -271,10 +263,6 @@ ON_IPC_CMD(SERVER_CHECK_AUTH_RESULT, IpcIo &reply)
     int32_t resultCode = IpcIoPopInt32(&reply);
     int32_t flag = IpcIoPopInt32(&reply);
 
-    if (pkgName == "" || len == 0 || deviceId == "" || devIdLen == 0) {
-        DMLOG(DM_LOG_ERROR, "OnAuthResult, get para failed");
-        return;
-    }
     DeviceManagerNotify::GetInstance().OnCheckAuthResult(pkgName, deviceId, resultCode, flag);
 }
 
diff --git a/services/devicemanagerservice/src/ipc/lite/ipc_cmd_parser.cpp b/services/devicemanagerservice/src/ipc/lite/ipc_cmd_parser.cpp
index b71b3edfd6f95e21d45cdc533a3ddd9024f23eff..250af2661a4f21662aad0fc7bf85b346318aa829 100644
--- a/services/devicemanagerservice/src/ipc/lite/ipc_cmd_parser.cpp
+++ b/services/devicemanagerservice/src/ipc/lite/ipc_cmd_parser.cpp
@@ -40,7 +40,7 @@ ON_IPC_SET_REQUEST(SERVER_DEVICE_STATE_NOTIFY, std::shared_ptr<IpcReq> pBaseReq,
     DmDeviceInfo deviceInfo = pReq->GetDeviceInfo();
 
     IpcIoInit(&request, buffer, buffLen, 0);
-    IpcIoPushString(&request, pkgName.c_str());
+    IpcIoPushString(&request, pkgName.c_str());-;
     IpcIoPushInt32(&request, deviceState);
     IpcIoPushFlatObj(&request, &deviceInfo, sizeof(DmDeviceInfo));
     return DEVICEMANAGER_OK;