diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
index 6d1740dfb..da11f1a5b 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
@@ -8,27 +8,7 @@ import com.ql.util.express.DefaultContext;
 import com.ql.util.express.ExpressRunner;
 import com.ql.util.express.InstructionSet;
 import com.ql.util.express.exception.QLException;
-import com.yomahub.liteflow.builder.el.operator.AnyOperator;
-import com.yomahub.liteflow.builder.el.operator.BreakOperator;
-import com.yomahub.liteflow.builder.el.operator.DataOperator;
-import com.yomahub.liteflow.builder.el.operator.DefaultOperator;
-import com.yomahub.liteflow.builder.el.operator.DoOperator;
-import com.yomahub.liteflow.builder.el.operator.ElifOperator;
-import com.yomahub.liteflow.builder.el.operator.ElseOperator;
-import com.yomahub.liteflow.builder.el.operator.FinallyOperator;
-import com.yomahub.liteflow.builder.el.operator.ForOperator;
-import com.yomahub.liteflow.builder.el.operator.IdOperator;
-import com.yomahub.liteflow.builder.el.operator.IfOperator;
-import com.yomahub.liteflow.builder.el.operator.IgnoreErrorOperator;
-import com.yomahub.liteflow.builder.el.operator.NodeOperator;
-import com.yomahub.liteflow.builder.el.operator.PreOperator;
-import com.yomahub.liteflow.builder.el.operator.SwitchOperator;
-import com.yomahub.liteflow.builder.el.operator.TagOperator;
-import com.yomahub.liteflow.builder.el.operator.ThenOperator;
-import com.yomahub.liteflow.builder.el.operator.ThreadPoolOperator;
-import com.yomahub.liteflow.builder.el.operator.ToOperator;
-import com.yomahub.liteflow.builder.el.operator.WhenOperator;
-import com.yomahub.liteflow.builder.el.operator.WhileOperator;
+import com.yomahub.liteflow.builder.el.operator.*;
 import com.yomahub.liteflow.common.ChainConstant;
 import com.yomahub.liteflow.exception.DataNotFoundException;
 import com.yomahub.liteflow.exception.ELParseException;