diff --git a/designer-base/src/main/java/com/fr/design/editlock/EditLockUtils.java b/designer-base/src/main/java/com/fr/design/editlock/EditLockUtils.java
index 2ab10fb92..4f332a170 100644
--- a/designer-base/src/main/java/com/fr/design/editlock/EditLockUtils.java
+++ b/designer-base/src/main/java/com/fr/design/editlock/EditLockUtils.java
@@ -74,6 +74,8 @@ public class EditLockUtils {
     }
 
     public static boolean isLocked(LockItem lockItem) {
-        return WorkContext.getCurrent().get(EditLockOperator.class).isLocked(lockItem);
+        EditLockOperator operator = WorkContext.getCurrent().get(EditLockOperator.class);
+        // 启动过程中UILockButton初始化的时候会调用这个方法，但是此时workObjectPool中还没有对象，会报npe
+        return operator != null && operator.isLocked(lockItem);
     }
 }