diff --git a/components/sensors/tmp117/tmp117.cpp b/components/sensors/tmp117/tmp117.cpp
index f854441..34fa6b7 100644
--- a/components/sensors/tmp117/tmp117.cpp
+++ b/components/sensors/tmp117/tmp117.cpp
@@ -17,15 +17,17 @@ using namespace iflytop;
 TMP117::TMP117(/* args */) {}
 TMP117::~TMP117() {}
 
-void TMP117::initializate(I2C_HandleTypeDef* i2c, ID_t id) {
+void TMP117::initializate(I2C_HandleTypeDef* i2c, i2c_reset_cb_t i2cResetCb, ID_t id) {
   m_i2c            = i2c;
   m_id             = id;
   m_lastCallStatus = HAL_OK;
+  m_i2cResetCb     = i2cResetCb;
 
   setConfiguration(0x0220);
   setTemperatureOffset(0x0000);
-}
 
+  m_isOnlineWhenPowerOn = isOnline();
+}
 bool TMP117::isOnline() {
   getTemperature();
   return m_lastCallStatus == HAL_OK;
@@ -46,7 +48,6 @@ const char* TMP117::getLastCallStatusString() {
       return "UNKNOWN";
   }
 }
-
 float TMP117::getTemperature() {
   uint16_t ret = 0;
   readreg(TemperatureRegister, (uint16_t*)&ret);
@@ -74,13 +75,12 @@ bool TMP117::writereg(uint8_t regoff, uint16_t data) {
     suc = _writereg(regoff, data);
     if (suc) break;
     /**
-     * @brief
+     * TODO
      *  代码测试发现，当读取温度多次之后，会出现通信一直失败的现象（每30毫秒读一次，读5s左右），重启I2C之后可以恢复正常。
      * 目前还没有找到原因，暂时在代码中通过重置I2C来解决这个问题。
      */
-    ZLOGW(TAG, "writereg fail, reset i2c");
-    HAL_I2C_DeInit(m_i2c);
-    HAL_I2C_Init(m_i2c);
+    // ZLOGW(TAG, "writereg fail, reset i2c");
+    if (m_i2cResetCb) m_i2cResetCb();
   }
   HAL_Delay(1);
   return suc;
@@ -91,12 +91,11 @@ bool TMP117::readreg(uint8_t regoff, uint16_t* data) {
     suc = _readreg(regoff, data);
     if (suc) break;
     /**
-     * @brief
+     * TODO
      *  代码测试发现，当读取温度多次之后，会出现通信一直失败的现象（每30毫秒读一次，读5s左右），重启I2C之后可以恢复正常。
      * 目前还没有找到原因，暂时在代码中通过重置I2C来解决这个问题。
      */
-    HAL_I2C_DeInit(m_i2c);
-    HAL_I2C_Init(m_i2c);
+    if (m_i2cResetCb) m_i2cResetCb();
   }
   HAL_Delay(1);
   return suc;
diff --git a/components/sensors/tmp117/tmp117.hpp b/components/sensors/tmp117/tmp117.hpp
index 9e31446..12bdc99 100644
--- a/components/sensors/tmp117/tmp117.hpp
+++ b/components/sensors/tmp117/tmp117.hpp
@@ -20,6 +20,8 @@
 #ifdef HAL_I2C_MODULE_ENABLED
 namespace iflytop {
 
+typedef void (*i2c_reset_cb_t)();
+
 class TMP117 : public ZITemperatureSensor {
  public:
   typedef enum {
@@ -50,6 +52,8 @@ class TMP117 : public ZITemperatureSensor {
   ID_t               m_id;
 
   HAL_StatusTypeDef m_lastCallStatus;
+  i2c_reset_cb_t    m_i2cResetCb;
+  bool              m_isOnlineWhenPowerOn = false;
 
  public:
   TMP117(/* args */);
@@ -61,7 +65,7 @@ class TMP117 : public ZITemperatureSensor {
    * @param i2c
    * @param id
    */
-  void initializate(I2C_HandleTypeDef* i2c, ID_t id);
+  void initializate(I2C_HandleTypeDef* i2c, i2c_reset_cb_t i2cResetCb, ID_t id);
 
   /**
    * @brief 读取温度