modified: server.js

2024-07-20 17:10:22 +08:00 · 2024-07-20 17:10:22 +08:00 · d27b061fe4
commit d27b061fe4
parent 763a9a1da6
1 changed files with 1 additions and 1 deletions
--- a/server.js
+++ b/server.js
@ -53,7 +53,7 @@ function getSensorData(callback) {

 // 获取数据库中最新的数据
 function getLatestSensorData(callback) {
-  const sql = 'SELECT temperature, humidity, co2, pressure FROM sensor_data ORDER BY timestamp DESC LIMIT 1';
+  const sql = 'SELECT temperature, humidity, co2, pressure timestamp FROM sensor_data ORDER BY id DESC LIMIT 1';
  db.query(sql, (err, results) => {
    if (err) {
      console.error('Error fetching latest sensor data: ', err);