修改污染溯源接口，从history表中获取改为从history天表获取

kaiyu

2020-11-18 8beab91730f3e3cd6b53e4d498f763ff9dc65ef5

 src/main/java/com/moral/common/bean/Constants.java

@@ -58,5 +58,6 @@
   public static final String DEVICE_STATE_MIDDLE ="2";
   public static final String DEVICE_STATE_SERIOUS ="3";
   public static final String DEVICE_STATE_OFFLINE ="4";
   public static final String DEVICE_STATE_MAINTENANCE ="9";
}