diff --git a/api-test/backend/src/main/java/io/metersphere/commons/constants/ElementConstants.java b/api-test/backend/src/main/java/io/metersphere/commons/constants/ElementConstants.java
index 2405debe02..3552237fc5 100644
--- a/api-test/backend/src/main/java/io/metersphere/commons/constants/ElementConstants.java
+++ b/api-test/backend/src/main/java/io/metersphere/commons/constants/ElementConstants.java
@@ -62,4 +62,6 @@ public class ElementConstants {
     public static final String MS_KEYSTORE_FILE_PASSWORD = "MS-KEYSTORE-FILE-PASSWORD";
     public static final String VIRTUAL_STEPS = "VIRTUAL_STEPS";
     public static final String REF = "$ref";
+    public static final String TYPE = "type";
+
 }