diff --git a/sdk/components/pipette_module/pipette_ctrl_module.cpp b/sdk/components/pipette_module/pipette_ctrl_module.cpp
index bd3467c..bec8d9f 100644
--- a/sdk/components/pipette_module/pipette_ctrl_module.cpp
+++ b/sdk/components/pipette_module/pipette_ctrl_module.cpp
@@ -25,14 +25,18 @@ void PipetteModule::initialize(int32_t id, hardward_config_t *hardwaredcfg) {  /
   m_zm->getGState();  // 读取状态，清空下复位标识
   m_piette_gun_io1.initAsInput(hardwaredcfg->IO1, ZGPIO::kMode_pullup, ZGPIO::kIRQ_noIrq, hardwaredcfg->IO1Mirror);
 
-  // 设置泵机压力数据流走232
-  // m_smtp2.pump_reset();
+  ZASSERT(hardwaredcfg->uart232);
+  EXHAL_UART_BindUart("pipette-uart232", hardwaredcfg->uart232);
+  EXHAL_UART_RegListener(hardwaredcfg->uart232, [this](UART_HandleTypeDef *huart, uint8_t *data, size_t len) {  //
+    smtpPressureStreamProcesser.process_rx(data[0]);
+  });
+  EXHAL_UART_ITStartAutoReadOneByte(hardwaredcfg->uart232);
+
   osDelay(1000);
-  // m_smtp2.sendcmd_direct("/1f0R\r");
   m_smtp2.pump_set_pressure_data_stream_port(1);
-  // 测试泵机连接性
-  test_connectivity();
-  // 参数初始化
+  m_smtp2.pump_reset();
+  osDelay(1000);
+
   parameter_init();
   // 同步参数到步进电机
   zm_sync_base_cfg();
@@ -42,54 +46,9 @@ void PipetteModule::initialize(int32_t id, hardward_config_t *hardwaredcfg) {  /
 
   // 上报压力流 ! 不能一直打开压力流，一直打开压力流，会导致SMTP2无法响应其他命令
   // m_smtp2.sendcmd_direct("/1f1f0R\r");
-  ZASSERT(hardwaredcfg->uart232);
-  EXHAL_UART_BindUart("pipette-uart232", hardwaredcfg->uart232);
-  EXHAL_UART_RegListener(hardwaredcfg->uart232, [this](UART_HandleTypeDef *huart, uint8_t *data, size_t len) {  //
-    smtpPressureStreamProcesser.process_rx(data[0]);
-  });
-  EXHAL_UART_ITStartAutoReadOneByte(hardwaredcfg->uart232);
 }
 
-void PipetteModule::test_connectivity() {
-  bool io1_connected     = false;
-  bool io1_reverse       = false;
-  bool uart485_connected = false;
-  bool uart232_connected = false;
-
-  uart485_connected = m_smtp2.pump_ping();
-
-  //! 测试IO1是否联通
-  if (uart485_connected) {
-    // 设置IO1为通用输出模式
-    m_smtp2.pump_set_io1_mode(2);
-
-    // 设置IO1为低电平
-    m_smtp2.pump_set_io1_state(0);
-    osDelay(2);
-    bool io1_state1 = m_piette_gun_io1.getState();
-
-    // 设置IO1为高电平
-    m_smtp2.pump_set_io1_state(1);  // lld输入高
-    osDelay(2);
-    bool io1_state2 = m_piette_gun_io1.getState();
-    io1_connected   = (!io1_state1 && io1_state2) || (io1_state1 && !io1_state2);
-    io1_reverse     = io1_state1 && !io1_state2;
-  }
-
-  //! 测试232是否联通
-  uart232_connected = false;
-
-  ZLOGI(TAG, "=====================  connectivity test report ==========================");
-  ZLOGI(TAG, "= uart485_connected    :%d", uart485_connected);
-  ZLOGI(TAG, "= io1_connected        :%d(%s)", io1_connected, io1_reverse ? "Err:Reverse" : "");
-  ZLOGI(TAG, "= uart232_connected    :%d", uart232_connected);
-  ZLOGI(TAG, "=");
-
-  m_state.test_pipette_io1_connected     = io1_connected;
-  m_state.test_pipette_io1_reverse       = io1_reverse;
-  m_state.test_pipette_uart485_connected = uart485_connected;
-  m_state.test_pipette_uart232_connected = uart232_connected;
-}
+void PipetteModule::test_connectivity() {}
 
 int32_t PipetteModule::module_stop() {
   m_thread.stop();
diff --git a/sdk/components/pipette_module/pipette_ctrl_module.hpp b/sdk/components/pipette_module/pipette_ctrl_module.hpp
index c307d0d..e9ac5f7 100644
--- a/sdk/components/pipette_module/pipette_ctrl_module.hpp
+++ b/sdk/components/pipette_module/pipette_ctrl_module.hpp
@@ -334,6 +334,8 @@ class PipetteModule : public ZIModule {
   virtual int32_t pipette_test_move_to_pierce_pos(int32_t container_pos, int32_t container_cpyid);
   virtual int32_t pipette_test_move_to_lld_end_pos(int32_t container_pos, int32_t container_cpyid);
 
+  virtual int32_t pipette_test_connectivity();
+
   int32_t get_zmotor_standby_pos() { return 0 + zmbcfg.dzero - zmbcfg.io_trigger_append_distance; }
   /***********************************************************************************************************************
    *                                                        Utils                                                        *
diff --git a/sdk/components/pipette_module/pipette_ctrl_module_test.cpp b/sdk/components/pipette_module/pipette_ctrl_module_test.cpp
index 3dcfb39..c92fb91 100644
--- a/sdk/components/pipette_module/pipette_ctrl_module_test.cpp
+++ b/sdk/components/pipette_module/pipette_ctrl_module_test.cpp
@@ -136,3 +136,56 @@ int32_t PipetteModule::pipette_test_move_to_lld_end_pos(int32_t container_pos, i
   });
   return 0;
 }
+
+int32_t PipetteModule::pipette_test_connectivity() {
+  bool io1_connected     = false;
+  bool io1_reverse       = false;
+  bool uart485_connected = false;
+  bool uart232_connected = false;
+
+  m_smtp2.pump_set_pressure_data_stream_port(0);
+  m_smtp2.pump_reset();
+  osDelay(1000);
+
+  uart485_connected = m_smtp2.pump_ping();
+
+  //! 测试IO1是否联通
+  if (uart485_connected) {
+    // 设置IO1为通用输出模式
+    m_smtp2.pump_set_io1_mode(2);
+
+    // 设置IO1为低电平
+    m_smtp2.pump_set_io1_state(0);
+    osDelay(2);
+    bool io1_state1 = m_piette_gun_io1.getState();
+
+    // 设置IO1为高电平
+    m_smtp2.pump_set_io1_state(1);  // lld输入高
+    osDelay(2);
+    bool io1_state2 = m_piette_gun_io1.getState();
+    io1_connected   = (!io1_state1 && io1_state2) || (io1_state1 && !io1_state2);
+    io1_reverse     = io1_state1 && !io1_state2;
+  }
+
+  //! 测试232是否联通
+  if (smtpPressureStreamProcesser.hasRxSomeCmd()) {
+    uart232_connected = true;
+  } else {
+    uart232_connected = false;
+  }
+
+  ZLOGI(TAG, "=====================  connectivity test report ==========================");
+  ZLOGI(TAG, "= uart485_connected    :%d", uart485_connected);
+  ZLOGI(TAG, "= io1_connected        :%d(%s)", io1_connected, io1_reverse ? "Err:Reverse" : "");
+  ZLOGI(TAG, "= uart232_connected    :%d", uart232_connected);
+  ZLOGI(TAG, "=");
+
+  m_state.test_pipette_io1_connected     = io1_connected;
+  m_state.test_pipette_io1_reverse       = io1_reverse;
+  m_state.test_pipette_uart485_connected = uart485_connected;
+  m_state.test_pipette_uart232_connected = uart232_connected;
+
+  m_smtp2.pump_set_pressure_data_stream_port(1);  // 恢复232输出
+  m_smtp2.pump_reset();
+  return 0;
+}
diff --git a/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp b/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp
index 1b4270a..8fec5b1 100644
--- a/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp
+++ b/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp
@@ -112,6 +112,11 @@ int32_t SMTP2V2::pump_init() {
   ZLOGI(TAG, "pump_init");
   return runaction(true, "/1ZR\r");
 }
+int32_t SMTP2V2::pump_init_with_pressure() {
+  ZLOGI(TAG, "pump_init");
+  return runaction(true, "/1f1Zf0R\r");
+}
+
 int32_t SMTP2V2::pump_put_tip() {
   ZLOGI(TAG, "pump_put_tip");
   return runaction(true, "/1E0R\r");
@@ -263,7 +268,7 @@ int32_t SMTP2V2::pump_aspirate_plld(int32_t pressure_threshold, VelCfg* vcfg) {
   // return runaction(true, "/1N2L%d,%dv%dc%dV%df1t%d,1f0R\r",                                           //
   //                  vcfg->acc, vcfg->dec, vcfg->vstart * 1000, vcfg->vstop * 1000, vcfg->vmax * 1000,  //
   //                  pressure_threshold);
-  return runaction(true, "/1N2L%d,%dv%dc%dV%dt%d,1R\r",                                           //
+  return runaction(true, "/1N2L%d,%dv%dc%dV%dt%d,1R\r",                                               //
                    vcfg->acc, vcfg->dec, vcfg->vstart * 1000, vcfg->vstop * 1000, vcfg->vmax * 1000,  //
                    pressure_threshold);
 }
diff --git a/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp b/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp
index 2f6f329..b9054b9 100644
--- a/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp
+++ b/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp
@@ -228,6 +228,7 @@ class SMTP2V2 {
    *                                                       ACTION                                                        *
    ***********************************************************************************************************************/
   int32_t pump_init();           // 泵机初始化(归零)
+  int32_t pump_init_with_pressure();           // 泵机初始化(归零)
   int32_t pump_put_tip();        // 丢弃TIP
   int32_t pump_factory_reset();  // 泵机复位
   int32_t pump_reset();          // 泵机复位
diff --git a/sdk/components/sensors/smtp2_v2/smtp_pressure_stream_processer.hpp b/sdk/components/sensors/smtp2_v2/smtp_pressure_stream_processer.hpp
index 8fdda79..556d7b7 100644
--- a/sdk/components/sensors/smtp2_v2/smtp_pressure_stream_processer.hpp
+++ b/sdk/components/sensors/smtp2_v2/smtp_pressure_stream_processer.hpp
@@ -15,7 +15,8 @@ class SmtpPressureStreamProcesser {
   char    m_state    = '`';
   int32_t m_pressure = 0;
   char    m_pressure_cache[10];
-  int32_t m_pressure_uuid = 0;
+  int32_t m_pressure_uuid   = 0;
+  bool    m_has_rx_some_cmd = false;
 
  public:
   void process_rx(char data) {
@@ -26,6 +27,10 @@ class SmtpPressureStreamProcesser {
     m_rxbuf[m_rxnum] = data;
     m_rxnum++;
 
+    if (m_rxbuf[m_rxnum - 1] == 0x0d) {
+      m_has_rx_some_cmd = true;
+    }
+
     if (m_rxbuf[m_rxnum - 1] == 0x0a && m_rxbuf[m_rxnum - 2] == 0x0d && m_rxbuf[1] == '0') {
       if ((m_rxnum - 6) != 4) return;
 
@@ -69,5 +74,6 @@ class SmtpPressureStreamProcesser {
     __enable_irq();
     return ret;
   }
+  bool hasRxSomeCmd() const { return m_has_rx_some_cmd; }
 };
 }  // namespace iflytop
diff --git a/sdk/components/zcan_protocol_parser/zcan_protocol_parser.cpp b/sdk/components/zcan_protocol_parser/zcan_protocol_parser.cpp
index a644124..a92b14e 100644
--- a/sdk/components/zcan_protocol_parser/zcan_protocol_parser.cpp
+++ b/sdk/components/zcan_protocol_parser/zcan_protocol_parser.cpp
@@ -213,6 +213,7 @@ void ZCanProtocolParser::initialize(ZCanReceiver* cancmder) {
   REGFN(pipette_test_move_to_fix_water_level_pos);
   REGFN(pipette_test_move_to_pierce_pos);
   REGFN(pipette_test_move_to_lld_end_pos);
+  REGFN(pipette_test_connectivity);
 }
 void ZCanProtocolParser::_registerModule(uint16_t id, ZIModule* module) { m_modulers[id] = module; }
 void ZCanProtocolParser::registerModule(ZIModule* module) { _registerModule(module->getid(), module); }
@@ -1248,6 +1249,11 @@ int32_t ZCanProtocolParser::pipette_test_move_to_lld_end_pos(cmdcontxt_t* cxt) {
   CHECK_AND_GET_MODULE(2);
   return module->pipette_test_move_to_lld_end_pos(cxt->params[0], cxt->params[1]);
 }
+int32_t ZCanProtocolParser::pipette_test_connectivity(cmdcontxt_t* cxt) {
+  CHECK_AND_GET_MODULE(0);
+  return module->pipette_test_connectivity();
+}
+
 // pipette_zmotor_move_to_tip_deposit
 int32_t ZCanProtocolParser::pipette_zmotor_move_to_tip_deposit(cmdcontxt_t* cxt) {
   CHECK_AND_GET_MODULE(0);
diff --git a/sdk/components/zcan_protocol_parser/zcan_protocol_parser.hpp b/sdk/components/zcan_protocol_parser/zcan_protocol_parser.hpp
index 82ba540..382acd8 100644
--- a/sdk/components/zcan_protocol_parser/zcan_protocol_parser.hpp
+++ b/sdk/components/zcan_protocol_parser/zcan_protocol_parser.hpp
@@ -236,6 +236,7 @@ class ZCanProtocolParser : public IZCanRxProcesser {
   CMDFN(pipette_test_move_to_pierce_pos);
   CMDFN(pipette_test_move_to_lld_end_pos);
   CMDFN(pipette_zmotor_move_to_tip_deposit);
+  CMDFN(pipette_test_connectivity);
   
   
 };
diff --git a/usrc/a8000_protocol/protocol/cmdid.hpp b/usrc/a8000_protocol/protocol/cmdid.hpp
index e4deaf5..c78a7ba 100644
--- a/usrc/a8000_protocol/protocol/cmdid.hpp
+++ b/usrc/a8000_protocol/protocol/cmdid.hpp
@@ -192,7 +192,7 @@ typedef enum {
   kpipette_test_move_to_fix_water_level_pos            = 0x7608,  // int32_t container_pos, int32_t container_cpyid,
   kpipette_test_move_to_pierce_pos                     = 0x7609,  // int32_t container_pos, int32_t container_cpyid,
   kpipette_test_move_to_lld_end_pos                    = 0x760A,  // int32_t container_pos, int32_t container_cpyid,
-
+  kpipette_test_connectivity                           = 0x760B,  // 测试电缆连接性 {}, ack:{}
 } cmdid_t;
 
 typedef struct {
diff --git a/usrc/version.h b/usrc/version.h
index 29843a0..c83c8cc 100644
--- a/usrc/version.h
+++ b/usrc/version.h
@@ -1,2 +1,2 @@
 #pragma once
-#define APP_VERSION           1208
+#define APP_VERSION           1209