diff --git a/README.md b/README.md
index 73cbb17..346bda2 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-消毒机依赖库
\ No newline at end of file
+消毒机依赖库
+
+pressure_sensor_read
\ No newline at end of file
diff --git a/components/zcan_module/huacheng_pressure_sensor.cpp b/components/zcan_module/huacheng_pressure_sensor.cpp
index 840c5d4..d4e42a4 100644
--- a/components/zcan_module/huacheng_pressure_sensor.cpp
+++ b/components/zcan_module/huacheng_pressure_sensor.cpp
@@ -103,7 +103,7 @@ HuachengPressureSensor::Submodule* HuachengPressureSensor::find(int id) {
 DP600PressureSensor::sensor_data_t HuachengPressureSensor::readsensordata(int id) {
   Submodule* subm = find(id);
   if (subm) {
-    DP600PressureSensor::sensor_data_t data;
+    DP600PressureSensor::sensor_data_t data = {0};
     if (subm->readsensorfn) {
       subm->readsensorfn(&data);
     } else {
@@ -111,7 +111,7 @@ DP600PressureSensor::sensor_data_t HuachengPressureSensor::readsensordata(int id
     }
     return data;
   }
-  return {};
+  return {0};
 }
 
 #endif
\ No newline at end of file