diff --git a/main/lib/idds/orm/base/alembic/versions/6ca0e5e466eb_update_message_null_constraints.py b/main/lib/idds/orm/base/alembic/versions/6ca0e5e466eb_update_message_null_constraints.py
new file mode 100644
index 00000000..b477aa3e
--- /dev/null
+++ b/main/lib/idds/orm/base/alembic/versions/6ca0e5e466eb_update_message_null_constraints.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# You may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# http://www.apache.org/licenses/LICENSE-2.0OA
+#
+# Authors:
+# - Wen Guan, <wen.guan@cern.ch>, 2023
+
+"""update message null constraints
+
+Revision ID: 6ca0e5e466eb
+Revises: 5e0aa2aa1fa3
+Create Date: 2023-04-25 16:58:29.975397+00:00
+
+"""
+from alembic import op
+from alembic import context
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '6ca0e5e466eb'
+down_revision = '5e0aa2aa1fa3'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
+        schema = context.get_context().version_table_schema if context.get_context().version_table_schema else ''
+        op.alter_column('messages', sa.Column('request_id'), nullable=True, schema=schema)
+        op.alter_column('messages', sa.Column('transform_id'), nullable=True, schema=schema)
+        op.alter_column('messages', sa.Column('processing_id'), nullable=True, schema=schema)
+
+
+def downgrade() -> None:
+    if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
+        schema = context.get_context().version_table_schema if context.get_context().version_table_schema else ''
+        op.alter_column('messages', sa.Column('request_id'), nullable=False, schema=schema)
+        op.alter_column('messages', sa.Column('transform_id'), nullable=False, schema=schema)
+        op.alter_column('messages', sa.Column('processing_id'), nullable=False, schema=schema)
diff --git a/main/lib/idds/orm/base/models.py b/main/lib/idds/orm/base/models.py
index 85800f33..ed0c2539 100644
--- a/main/lib/idds/orm/base/models.py
+++ b/main/lib/idds/orm/base/models.py
@@ -705,9 +705,9 @@ class Message(BASE, ModelBase):
     locking = Column(EnumWithValue(MessageLocking), nullable=False)
     source = Column(EnumWithValue(MessageSource), nullable=False)
     destination = Column(EnumWithValue(MessageDestination), nullable=False)
-    request_id = Column(BigInteger().with_variant(Integer, "sqlite"), nullable=False)
+    request_id = Column(BigInteger().with_variant(Integer, "sqlite"))
     workload_id = Column(Integer())
-    transform_id = Column(Integer(), nullable=False)
+    transform_id = Column(Integer())
     processing_id = Column(Integer())
     num_contents = Column(Integer())
     retries = Column(Integer(), default=0)
diff --git a/main/lib/idds/tests/core_tests.py b/main/lib/idds/tests/core_tests.py
index b9d42530..d9dd89c2 100644
--- a/main/lib/idds/tests/core_tests.py
+++ b/main/lib/idds/tests/core_tests.py
@@ -171,7 +171,7 @@ def print_workflow_template(workflow, layers=0):
 # reqs = get_requests(request_id=381520, with_request=True, with_detail=False, with_metadata=True)
 # reqs = get_requests(request_id=28182323, with_request=True, with_detail=False, with_metadata=True)
 # reqs = get_requests(request_id=385554, with_request=True, with_detail=False, with_metadata=True)
-reqs = get_requests(request_id=458999, with_request=True, with_detail=False, with_metadata=True)
+reqs = get_requests(request_id=479187, with_request=True, with_detail=False, with_metadata=True)
 for req in reqs:
     # print(req['request_id'])
     # print(req)
diff --git a/main/lib/idds/tests/test_migrate_requests.py b/main/lib/idds/tests/test_migrate_requests.py
index 489eb6ed..6c62cf01 100644
--- a/main/lib/idds/tests/test_migrate_requests.py
+++ b/main/lib/idds/tests/test_migrate_requests.py
@@ -66,10 +66,10 @@ def migrate():
     for old_request_id in old_request_ids:    # noqa E115  # doma 183
         reqs = cm1.get_requests(request_id=old_request_id, with_metadata=True)
 
-        cm2 = ClientManager(host=dev_host)
+        # cm2 = ClientManager(host=dev_host)
         # cm2 = ClientManager(host=doma_host)
         # cm2 = ClientManager(host=atlas_host)
-        # cm2 = ClientManager(host=slac_k8s_dev_host)
+        cm2 = ClientManager(host=slac_k8s_dev_host)
         # cm2 = ClientManager(host=cern_k8s_dev_host)
         # print(reqs)
 
diff --git a/monitor/data/conf.js b/monitor/data/conf.js
index 014a6e97..89f5608d 100644
--- a/monitor/data/conf.js
+++ b/monitor/data/conf.js
@@ -1,9 +1,9 @@
 
 var appConfig = {
-    'iddsAPI_request': "https://lxplus807.cern.ch:443/idds/monitor_request/null/null",
-    'iddsAPI_transform': "https://lxplus807.cern.ch:443/idds/monitor_transform/null/null",
-    'iddsAPI_processing': "https://lxplus807.cern.ch:443/idds/monitor_processing/null/null",
-    'iddsAPI_request_detail': "https://lxplus807.cern.ch:443/idds/monitor/null/null/true/false/false",
-    'iddsAPI_transform_detail': "https://lxplus807.cern.ch:443/idds/monitor/null/null/false/true/false",
-    'iddsAPI_processing_detail': "https://lxplus807.cern.ch:443/idds/monitor/null/null/false/false/true"
+    'iddsAPI_request': "https://lxplus810.cern.ch:443/idds/monitor_request/null/null",
+    'iddsAPI_transform': "https://lxplus810.cern.ch:443/idds/monitor_transform/null/null",
+    'iddsAPI_processing': "https://lxplus810.cern.ch:443/idds/monitor_processing/null/null",
+    'iddsAPI_request_detail': "https://lxplus810.cern.ch:443/idds/monitor/null/null/true/false/false",
+    'iddsAPI_transform_detail': "https://lxplus810.cern.ch:443/idds/monitor/null/null/false/true/false",
+    'iddsAPI_processing_detail': "https://lxplus810.cern.ch:443/idds/monitor/null/null/false/false/true"
 }