diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java b/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java
index 42bfaf8ba..e45663937 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java
@@ -27,7 +27,6 @@ import com.yomahub.liteflow.slot.DefaultContext;
 import com.yomahub.liteflow.slot.Slot;
 import com.yomahub.liteflow.spi.holder.ContextCmpInitHolder;
 import com.yomahub.liteflow.thread.ExecutorHelper;
-import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;