diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java b/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java
index fea1f6e23..5096d9e69 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java
@@ -25,16 +25,8 @@ public interface ChainConstant {
 
     String VALUE = "value";
 
-    String ERROR_RESUME = "errorResume";
-
-    String GROUP = "group";
-
     String ANY = "any";
 
-    String THREAD_EXECUTOR_CLASS = "threadExecutorClass";
-
-    String CONDITION = "condition";
-
     String TYPE = "type";
 
     String THEN = "THEN";