diff --git a/frameworks/native/sensor/src/sensor_data_channel.cpp b/frameworks/native/sensor/src/sensor_data_channel.cpp
index b6693aa947ffee8f5d236b28b2c131b2739921ef..38287de6567cfa0364edcc10b6d7186be72f7922 100755
--- a/frameworks/native/sensor/src/sensor_data_channel.cpp
+++ b/frameworks/native/sensor/src/sensor_data_channel.cpp
@@ -57,32 +57,6 @@ SensorDataChannel::SensorDataChannel()
     }
 }
 
-int32_t SensorDataChannel::HandleEvent(int32_t fd, int32_t events, void *data)
-{
-    HiLog::Debug(LABEL, "%{public}s fd : %{public}d", __func__, fd);
-    constexpr int32_t allowSkip = 1;
-    if (data == nullptr) {
-        HiLog::Error(LABEL, "%{public}s data cannot be null", __func__);
-        return allowSkip;
-    }
-    SensorDataChannel *channel = reinterpret_cast<SensorDataChannel *>(data);
-    if (channel->receiveDataBuff_ == nullptr) {
-        HiLog::Error(LABEL, "%{public}s channel receiveDataBuff_ cannot be null", __func__);
-        return allowSkip;
-    }
-    int32_t len = channel->ReceiveData(channel->receiveDataBuff_, SENSOR_READ_DATA_SIZE);
-    while (len > 0) {
-        int32_t eventSize = sizeof(SensorEvent);
-        if (eventSize > 0) {
-            int32_t num = len / eventSize;
-            HiLog::Debug(LABEL, "%{public}s num : %{public}d", __func__, num);
-            channel->dataCB_(channel->receiveDataBuff_, num, channel->privateData_);
-            len = channel->ReceiveData(channel->receiveDataBuff_, SENSOR_READ_DATA_SIZE);
-        }
-    }
-    return allowSkip;
-}
-
 int32_t SensorDataChannel::CreateSensorDataChannel(DataChannelCB callBack, void *data)
 {
     if (callBack == nullptr) {
diff --git a/interfaces/plugin/src/sensor_js.cpp b/interfaces/plugin/src/sensor_js.cpp
index 96e611a6c9e03ad22fe924074ce5344aafd209a7..f56fcf680af6eea4f53bde9e33b8e33bd5831c1e 100755
--- a/interfaces/plugin/src/sensor_js.cpp
+++ b/interfaces/plugin/src/sensor_js.cpp
@@ -125,7 +125,7 @@ static int32_t SubscribeSensor(int32_t sensorTypeId, int64_t interval, RecordSen
 static napi_value Once(napi_env env, napi_callback_info info)
 {
     HiLog::Info(LABEL, "%{public}s in", __func__);
-    size_t argc;
+    size_t argc = 2;
     napi_value args[2];
     napi_value thisVar;
     NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, NULL));
@@ -168,7 +168,7 @@ static napi_value Once(napi_env env, napi_callback_info info)
 static napi_value On(napi_env env, napi_callback_info info)
 {
     HiLog::Info(LABEL, "%{public}s in", __func__);
-    size_t argc;
+    size_t argc = 3;
     napi_value args[3];
     napi_value thisVar;
     NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, NULL));
@@ -219,7 +219,7 @@ static napi_value On(napi_env env, napi_callback_info info)
 static napi_value Off(napi_env env, napi_callback_info info)
 {
     HiLog::Info(LABEL, "%{public}s in", __func__);
-    size_t argc;
+    size_t argc = 2;
     napi_value args[2];
     napi_value thisVar;
     NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, NULL));