diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/flow/id/IdGeneratorHolder.java b/liteflow-core/src/main/java/com/yomahub/liteflow/flow/id/IdGeneratorHolder.java
index 31c4e6d64..2253f0891 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/flow/id/IdGeneratorHolder.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/flow/id/IdGeneratorHolder.java
@@ -16,11 +16,10 @@ public class IdGeneratorHolder {
 
 	private RequestIdGenerator requestIdGenerator;
 
-	private static IdGeneratorHolder INSTANCE;
+	private static IdGeneratorHolder INSTANCE = new IdGeneratorHolder();
 
 	public static void init() {
 		try {
-			INSTANCE = new IdGeneratorHolder();
 			LiteflowConfig liteflowConfig = LiteflowConfigGetter.get();
 			String requestIdGeneratorClass = liteflowConfig.getRequestIdGeneratorClass();