change sql for test

userProfile.py

@@ -7,8 +7,9 @@ def get_active_users():
     now = datetime.now()
     now_start = str(now)[:16] + ":00"
     now_end = str(now)[:16] + ":59"
-    sql = "select device_id from user_active_time " \
-          "where active_time <= '{}' and active_time >= '{}'".format(now_end,now_start)
+    sql = "select device_id from user_active_time order by  active_time desc limit 60"
+    # sql = "select device_id from user_active_time " \
+    #       "where active_time <= '{}' and active_time >= '{}'".format(now_end,now_start)
     device_id_df = con_sql(sql)
     if device_id_df.empty:
         print("当下这一分钟没有活跃用户，不需要预测")