add space

sanshengshui · sanshengshui · commit 9867c12de50f · 2021-10-19T23:59:43.000+08:00
diff --git a/IOT-Guide-RuleEngine-ThingsBoard/src/main/java/iot/technology/thingsboard/ruleengine/dao/model/RelationEntity.java b/IOT-Guide-RuleEngine-ThingsBoard/src/main/java/iot/technology/thingsboard/ruleengine/dao/model/RelationEntity.java
@@ -4,6 +4,7 @@
 
 import javax.persistence.*;
 
+
 import static iot.technology.thingsboard.ruleengine.common.ModelConstants.*;
 
 /**
