diff --git a/app/models/model-doc_tag.py b/app/models/model-doc_tag.py
index ae185de..bf6a129 100644
--- a/app/models/model-doc_tag.py
+++ b/app/models/model-doc_tag.py
@@ -1,8 +1,9 @@
+from unittest.mock import Base
 from sqlalchemy import Column, ForeignKey
 from sqlalchemy.dialects.postgresql import UUID
 import uuid
 
-from .base import Base
+from app.database import db
 
 class DocTag(Base):
     __tablename__ = "doc_tag"
diff --git a/app/routes/doc_tag_routes.py b/app/routes/doc_tag_routes.py
index 424c792..ddceb2c 100644
--- a/app/routes/doc_tag_routes.py
+++ b/app/routes/doc_tag_routes.py
@@ -1,6 +1,6 @@
 from flask import Flask, request, jsonify
 from app.models.model_tag import Tag
-from app.models.doc_tag import DocTag
+from app.models.doc_tag import Doc_Tag
 from app.database import db
 from sqlalchemy.exc import SQLAlchemyError
 from uuid import UUID