diff --git a/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp b/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp
index d89bbe2..ffbdf68 100644
--- a/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp
+++ b/sdk/components/sensors/smtp2_v2/smtp2_v2.cpp
@@ -70,6 +70,12 @@ int32_t SMTP2V2::pump_set_io1_mode(int32_t mode) {
   ZLOGI(TAG, "pump_set_io1_mode %d", mode);
   return setstate(true, "/1u%d,%dR\r", kcfg_io1_mode, mode);
 }
+
+int32_t SMTP2V2::pump_set_io1_state(int32_t state) {
+  ZLOGI(TAG, "pump_set_io1_state %d", state);
+  return setstate(true, "/1J%dR\r", state);
+}
+
 int32_t SMTP2V2::pump_set_io2_mode(int32_t mode) {
   ZLOGI(TAG, "pump_set_io2_mode %d", mode);
   return setstate(true, "/1u%d,%dR\r", kcfg_io2_mode, mode);
@@ -396,7 +402,6 @@ int32_t SMTP2V2::_runaction(bool dump, const char* cmd) {
     if (!_sendcmd(dump, "/1CR\r")) continue;
     if (!_sendcmd(dump, cmd)) continue;
 
-
     return getAckEcode();
   }
   return getAckEcode();
diff --git a/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp b/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp
index 664158a..0ab2f89 100644
--- a/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp
+++ b/sdk/components/sensors/smtp2_v2/smtp2_v2.hpp
@@ -167,6 +167,7 @@ class SMTP2V2 {
   int32_t pump_set_acc_and_dec(int32_t acc, int32_t dec);
   int32_t pump_set_plld_start_delay(int32_t delay_ms);
   int32_t pump_set_io1_mode(int32_t mode);                // 0LLD输出高 1LLD输出低  2通用输出
+  int32_t pump_set_io1_state(int32_t state);                // 
   int32_t pump_set_io2_mode(int32_t mode);                // 0通用输入  1紧急制动 2Tip脱落输出高 3Tip脱落输出低
   int32_t pump_set_tip_size(int32_t size);                // Tip大小 0:1ml 1:200ul(max:250ul) 2:50ul(max:62ul) 3=20ul(max:40ul)
   int32_t pump_enable_temp_compensation(int32_t enable);  // 0:关闭 1:开启