diff --git a/sdk/src/main/java/org/zstack/sdk/PrimaryStorageMigrateVolumeAction.java b/sdk/src/main/java/org/zstack/sdk/PrimaryStorageMigrateVolumeAction.java
index ed88a0bd610..23928c651bd 100644
--- a/sdk/src/main/java/org/zstack/sdk/PrimaryStorageMigrateVolumeAction.java
+++ b/sdk/src/main/java/org/zstack/sdk/PrimaryStorageMigrateVolumeAction.java
@@ -25,9 +25,12 @@ public Result throwExceptionIfError() {
         }
     }
 
-    @Param(required = true, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
+    @Param(required = false, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
     public java.lang.String volumeUuid;
 
+    @Param(required = false)
+    public java.util.List<String> volumeUuids;
+
     @Param(required = true, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
     public java.lang.String dstPrimaryStorageUuid;