diff --git a/src/main/java/org/redkale/schedule/spi/ScheduleManagerService.java b/src/main/java/org/redkale/schedule/spi/ScheduleManagerService.java
index c12fe3c41..e0411dcb9 100644
--- a/src/main/java/org/redkale/schedule/spi/ScheduleManagerService.java
+++ b/src/main/java/org/redkale/schedule/spi/ScheduleManagerService.java
@@ -264,7 +264,7 @@ public class ScheduleManagerService implements ScheduleManager, Service {
     }
 
     protected String getProperty(String value) {
-        if (propertyFunc == null || value.indexOf('}') < 0) {
+        if (propertyFunc == null || value == null || value.indexOf('}') < 0) {
             return value;
         }
         return propertyFunc.apply(value);