diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/AnyOperator.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/AnyOperator.java
index f4353c87b..4a1028c69 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/AnyOperator.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/AnyOperator.java
@@ -19,15 +19,13 @@ public class AnyOperator extends BaseOperator {
 
 		WhenCondition whenCondition = OperatorHelper.convert(objects[0], WhenCondition.class);
 
-		boolean any = false;
 		if (objects[1] instanceof Boolean) {
-			any = Boolean.parseBoolean(objects[1].toString().toLowerCase());
+			// any
+			whenCondition.setAny(Boolean.parseBoolean(objects[1].toString().toLowerCase()));
 		} else {
 			throw new QLException("the parameter must be boolean type");
 		}
 
-		whenCondition.setAny(any);
-
 		return whenCondition;
 	}
 }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IdOperator.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IdOperator.java
index 17e45dff9..0b415efed 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IdOperator.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IdOperator.java
@@ -23,16 +23,14 @@ public class IdOperator extends BaseOperator {
 
 		Condition condition = OperatorHelper.convert(objects[0], Condition.class);
 
-		String id;
 		if (objects[1] instanceof String) {
-			id = objects[1].toString();
+			// id
+			condition.setId(objects[1].toString());
 		} else {
 			LOG.error("the parameter must be String type!");
 			throw new QLException("the parameter must be String type");
 		}
 
-		condition.setId(id);
-
 		return condition;
 	}
 }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IgnoreErrorOperator.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IgnoreErrorOperator.java
index a7059f0f3..7c8b11b0b 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IgnoreErrorOperator.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/IgnoreErrorOperator.java
@@ -19,15 +19,13 @@ public class IgnoreErrorOperator extends BaseOperator {
 
 		WhenCondition condition = OperatorHelper.convert(objects[0], WhenCondition.class);
 
-		boolean ignoreError = false;
 		if (objects[1] instanceof Boolean) {
-			ignoreError = Boolean.parseBoolean(objects[1].toString().toLowerCase());
+			// ignoreError
+			condition.setErrorResume(Boolean.parseBoolean(objects[1].toString().toLowerCase()));
 		} else {
 			throw new QLException("The parameter must be boolean type");
 		}
 
-		condition.setErrorResume(ignoreError);
-
 		return condition;
 	}
 }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/TagOperator.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/TagOperator.java
index 0b0ae70cb..112e2b866 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/TagOperator.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/TagOperator.java
@@ -20,7 +20,7 @@ public class TagOperator extends BaseOperator {
 
 		Node node = OperatorHelper.convert(objects[0], Node.class);
 
-		String tag = null;
+		String tag ;
 		if (objects[1] instanceof String) {
 			tag = objects[1].toString();
 		} else {
@@ -30,7 +30,9 @@ public class TagOperator extends BaseOperator {
 		//这里为什么要clone一个呢？
 		//因为tag是跟着chain走的。而在el上下文里的放的都是同一个node，如果多个同样的node tag不同，则这里必须copy
 		Node copyNode = FlowBus.copyNode(node.getId());
-
+		if (null == copyNode){
+			throw new QLException("The Node must be not null");
+		}
 		copyNode.setTag(tag);
 
 		return copyNode;
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/ThreadPoolOperator.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/ThreadPoolOperator.java
index acb161749..aa0f7d994 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/ThreadPoolOperator.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/ThreadPoolOperator.java
@@ -19,15 +19,13 @@ public class ThreadPoolOperator extends BaseOperator {
 
 		WhenCondition whenCondition = OperatorHelper.convert(objects[0], WhenCondition.class);
 
-		String threadPoolClazz = null;
 		if (objects[1] instanceof String) {
-			threadPoolClazz = objects[1].toString();
+			// threadPoolClazz
+			whenCondition.setThreadExecutorClass(objects[1].toString());
 		} else {
 			throw new QLException("the parameter must be String type");
 		}
 
-		whenCondition.setThreadExecutorClass(threadPoolClazz);
-
 		return whenCondition;
 	}
 }