调整当日在线时长取值为今天之前最后一次开机时长

sf_machine_connect/controllers/controllers.py

@@ -1327,8 +1327,8 @@ class Sf_Dashboard_Connect(http.Controller):
                 cur.execute("""
                             SELECT * FROM device_data
                             WHERE device_name = %s
-                            AND device_state in ('待机', '警告', '运行中') AND time >= %s AND process_time IS NOT NULL
-                            ORDER BY time ASC
+                            AND device_state in ('待机', '警告', '运行中') AND time <= %s AND process_time IS NOT NULL
+                            ORDER BY time DESC
                             LIMIT 1;
                         """, (item, time_threshold))
                 last_24_time = fetch_result_as_dict(cur)