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 7a4d2078..f13c14cf 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
@@ -170,7 +170,7 @@ public class LiteflowConfig {
 
     public Integer getWhenMaxWorkers() {
         if (ObjectUtil.isNull(whenMaxWorkers)) {
-            return Runtime.getRuntime().availableProcessors() * 2;
+            return 16;
         } else {
             return whenMaxWorkers;
         }