diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/property/LiteflowConfig.java b/liteflow-core/src/main/java/com/yomahub/liteflow/property/LiteflowConfig.java
index a79821738..230122a86 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/property/LiteflowConfig.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/property/LiteflowConfig.java
@@ -182,7 +182,7 @@ public class LiteflowConfig {
 
     public Integer getWhenQueueLimit() {
         if (ObjectUtil.isNull(whenQueueLimit)) {
-            return 100;
+            return 512;
         } else {
             return whenQueueLimit;
         }