删除重复添加动作节点

jetlinks-manager/rule-engine-manager/src/main/java/org/jetlinks/community/rule/engine/model/SqlRuleModelParser.java

@@ -108,7 +108,6 @@ public class SqlRuleModelParser implements RuleModelParserStrategy {
                 model.getNodes().add(action);
                 action.getInputs().add(link);
                 sqlNode.getOutputs().add(link);
-                model.getNodes().add(action);
 
                 action.getEvents().addAll(errorHandler);
             }