diff --git a/components/modbus/modbus_block_host.cpp b/components/modbus/modbus_block_host.cpp
index 222e798..721d904 100644
--- a/components/modbus/modbus_block_host.cpp
+++ b/components/modbus/modbus_block_host.cpp
@@ -6,7 +6,9 @@ using namespace iflytop;
 ModbusBlockHost::ModbusBlockHost() {}
 ModbusBlockHost::~ModbusBlockHost() {}
 
-void ModbusBlockHost::initialize(UART_HandleTypeDef *huart) {}
+void ModbusBlockHost::initialize(UART_HandleTypeDef *huart) {
+  this->huart = huart;
+}
 void ModbusBlockHost::cleanRxBuff() {  //
   HAL_StatusTypeDef status;
   do {
diff --git a/components/vaisala_sensor/hpp272.cpp b/components/vaisala_sensor/hpp272.cpp
index a59db90..a8b3d19 100644
--- a/components/vaisala_sensor/hpp272.cpp
+++ b/components/vaisala_sensor/hpp272.cpp
@@ -9,7 +9,7 @@ void HPP272::initialize(UART_HandleTypeDef *huart, uint8_t id) {
   this->id = id;
 }
 hpp272_data_t *HPP272::readVal() {
-  bool suc = modbusBlockHost.readReg03Muti(id, 0x02, (uint16_t *)&datacache, sizeof(datacache) / 2, 50);
+  bool suc = modbusBlockHost.readReg03Muti(id, 0x0100, (uint16_t *)&datacache, sizeof(datacache) / 2, 30);
   if (!suc) {
     return NULL;
   }
diff --git a/components/zcan_module/zcan_m211887_module_manager.cpp b/components/zcan_module/zcan_m211887_module_manager.cpp
index 44125b6..2d27ded 100644
--- a/components/zcan_module/zcan_m211887_module_manager.cpp
+++ b/components/zcan_module/zcan_m211887_module_manager.cpp
@@ -26,7 +26,8 @@ void ZCanM211887ModuleManager::regSubmodule(int id, UART_HandleTypeDef* huart, u
 
 void ZCanM211887ModuleManager::onRceivePacket(CanPacketRxBuffer* rxbuf, uint8_t* packet, size_t len) {
   Cmdheader_t* cmdheader = (Cmdheader_t*)packet;
-  if (cmdheader->cmdid == kcmd_read_huacheng_pressure_sensor && cmdheader->subcmdid == 0) {
+  if (cmdheader->cmdid == kcmd_m211887_operation && cmdheader->subcmdid == 0) {
+    ZLOGI(TAG, "kcmd_m211887_operation read");
     /**
      * @brief 通断控制(0)
      *  cmd         : b0:sensorid