diff --git a/tortoise/contrib/pydantic/utils.py b/tortoise/contrib/pydantic/utils.py
index b8984b3fe..14b5819c6 100644
--- a/tortoise/contrib/pydantic/utils.py
+++ b/tortoise/contrib/pydantic/utils.py
@@ -1,6 +1,8 @@
 import typing
 from typing import Any, Callable, Dict, Optional, Type
 
+import tortoise
+
 if typing.TYPE_CHECKING:  # pragma: nocoverage
     from tortoise.models import Model
 
@@ -12,4 +14,9 @@ def get_annotations(cls: "Type[Model]", method: Optional[Callable] = None) -> Di
     :param method: If specified, we try to get the annotations for the callable
     :return: The list of annotations
     """
-    return typing.get_type_hints(method or cls)
+    localns = (
+        tortoise.Tortoise.apps.get(cls._meta.app, None)
+        if cls._meta.app
+        else None
+    )
+    return typing.get_type_hints(method or cls, localns=localns)