diff --git a/escheduler-common/src/main/java/cn/escheduler/common/Constants.java b/escheduler-common/src/main/java/cn/escheduler/common/Constants.java
index b12145973e..41e5aa49e3 100644
--- a/escheduler-common/src/main/java/cn/escheduler/common/Constants.java
+++ b/escheduler-common/src/main/java/cn/escheduler/common/Constants.java
@@ -827,6 +827,7 @@ public final class Constants {
 
 
     /**
-     *
+     *  preview schedule execute count
      */
+    public static final int PREVIEW_SCHEDULE_EXECUTE_COUNT = 5;
 }