src/main/java/com/moral/mapper/AQIMapper.java
@@ -11,6 +11,10 @@
    List<Map<String,Object>> getO3(Map<String,Object> params);
    String getO3ByTime(Map<String,Object> params);
    List<Map<String,Object>> getAqiByHour(Map<String,Object> params);
    String getO3FromHistory(Map<String,Object> params);
}