diff --git a/app/models/address_model.py b/app/models/address_model.py
index d96fc44..50e0ae3 100644
--- a/app/models/address_model.py
+++ b/app/models/address_model.py
@@ -29,7 +29,7 @@ class Address_Base(BaseModel):
     account_id: Optional[int]
 
     for_type: Optional[str]
-    for_id_random: Optional[str]
+    for_id_random: Optional[str] = None
     for_id: Optional[int]
 
     #organization: Optional[Organization_Base] = Organization_Base()
diff --git a/app/models/common_field_schema.py b/app/models/common_field_schema.py
index 262ad4e..84ede8d 100644
--- a/app/models/common_field_schema.py
+++ b/app/models/common_field_schema.py
@@ -62,7 +62,7 @@ base_fields['obj_id'] = {}
 base_fields['obj_name'] = {}
 base_fields['obj_notes'] = {}
 
-base_fields['for_id_random'] = xxx_id_random_field_schema_default
+base_fields['for_id_random'] = xxx_id_random_field_schema_default # NOTE: This field may need to be set = None in the actual models with this field.
 
 #xxx_id_random_field_schema['alias'] = 'order_id_random'
 #base_fields['id_random'] = xxx_id_random_field_schema_default
diff --git a/app/models/user_role_model.py b/app/models/user_role_model.py
index 63b99ef..91c987a 100644
--- a/app/models/user_role_model.py
+++ b/app/models/user_role_model.py
@@ -29,7 +29,7 @@ class User_Role_Base(BaseModel):
     role_id: Optional[int]
 
     for_type: Optional[str]
-    for_id_random: Optional[str]
+    for_id_random: Optional[str] = None
     for_id: Optional[int]
 
     enable: Optional[bool]
diff --git a/app/routers/address.py b/app/routers/address.py
index 30dad89..086a3b3 100644
--- a/app/routers/address.py
+++ b/app/routers/address.py
@@ -9,7 +9,7 @@ from ..log import *
 from app.config import settings
 from app.db_sql import *
 
-from ..models.address_model import *
+from ..models.address_model import Address_Base
 from ..models.response_model import *
 
 
@@ -20,13 +20,12 @@ router = APIRouter()
 
 
 @router.post('')
-async def post_address_obj(
-                  address: Address_Base,
-                  x_account_id: str = Header(...),
-                  return_obj: Optional[bool] = True,
-                  by_alias: Optional[bool] = True,
-                  exclude_unset: Optional[bool] = True,
-                  ):
+async def post_address_obj(address: Address_Base,
+                           x_account_id: str = Header(...),
+                           return_obj: Optional[bool] = True,
+                           by_alias: Optional[bool] = True,
+                           exclude_unset: Optional[bool] = True,
+                           ):
     log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
     log.debug(locals())
 
@@ -53,4 +52,3 @@ async def post_address_obj(
     resp_data = base_name(**sql_select_result).dict(by_alias=by_alias, exclude_unset=exclude_unset)
 
     return mk_resp(data=resp_data)
-