diff --git a/functions/database.py b/functions/database.py
index 8564a46..f3f4c6d 100644
--- a/functions/database.py
+++ b/functions/database.py
@@ -1,6 +1,6 @@
 from datetime import datetime, timedelta
 from werkzeug.security import generate_password_hash, check_password_hash
-from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, Numeric, Date, Enum, create_engine, text
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, Numeric, Date, Enum, create_engine, text, Float
 from sqlalchemy.orm import sessionmaker, relationship, backref
 import os
 import pyotp
@@ -187,10 +187,11 @@ class Militante(Base):
     cotas_mensais = relationship("CotaMensal", back_populates="militante")
     pagamentos = relationship("Pagamento", back_populates="militante")
     materiais_vendidos = relationship("MaterialVendido", back_populates="militante")
-    vendas_jornais = relationship("VendaJornalAvulso", back_populates="militante")
-    assinaturas = relationship("AssinaturaAnual", back_populates="militante")
+    vendas_jornais = relationship("VendaJornal", back_populates="militante")
+    assinaturas = relationship("AssinaturaJornal", back_populates="militante")
     celula = relationship("Celula", back_populates="militantes", foreign_keys=[celula_id])
     comprovantes = relationship("Comprovante", back_populates="militante")
+    vendas_jornais_avulsos = relationship("VendaJornalAvulso", back_populates="militante")
 
     # Constantes para responsabilidades
     SECRETARIO = 1
@@ -362,7 +363,7 @@ class VendaJornalAvulso(Base):
     valor_total = Column(Numeric(10, 2), nullable=False)
     data_venda = Column(Date, nullable=False)
 
-    militante = relationship("Militante", back_populates="vendas_jornais")
+    militante = relationship("Militante", back_populates="vendas_jornais_avulsos")
 
 class AssinaturaAnual(Base):
     __tablename__ = 'assinaturas_anuais'
@@ -624,8 +625,10 @@ class TransacaoPIX(Base):
     status = Column(String(20))  # Pendente, Pago, Expirado
     qr_code = Column(Text)
     pagamento_id = Column(Integer, ForeignKey('pagamentos.id'))
+    comprovante_id = Column(Integer, ForeignKey('comprovantes.id'))
     
     pagamento = relationship("Pagamento", back_populates="transacoes_pix")
+    comprovante = relationship("Comprovante", back_populates="transacoes_pix")
 
 class TipoComprovante(Base):
     __tablename__ = 'tipos_comprovante'
@@ -643,6 +646,31 @@ class Comprovante(Base):
     militante = relationship("Militante", back_populates="comprovantes")
     transacoes_pix = relationship("TransacaoPIX", back_populates="comprovante")
 
+class VendaJornal(Base):
+    __tablename__ = 'vendas_jornais'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    quantidade = Column(Integer, nullable=False)
+    valor_total = Column(Numeric(10, 2), nullable=False)
+    data_venda = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="vendas_jornais")
+
+class AssinaturaJornal(Base):
+    __tablename__ = 'assinaturas_jornais'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    tipo_material_id = Column(Integer, ForeignKey('tipos_materiais.id'))
+    quantidade = Column(Integer, nullable=False)
+    valor_total = Column(Numeric(10, 2), nullable=False)
+    data_inicio = Column(Date, nullable=False)
+    data_fim = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="assinaturas")
+    tipo_material = relationship("TipoMaterial", back_populates="assinaturas")
+
 def init_database():
     """Inicializa o banco de dados com dados básicos"""
     print("Inicializando banco de dados...")
diff --git a/models/entities/assinatura_jornal.py b/models/entities/assinatura_jornal.py
new file mode 100644
index 0000000..b7165a0
--- /dev/null
+++ b/models/entities/assinatura_jornal.py
@@ -0,0 +1,18 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class AssinaturaJornal(Base):
+    __tablename__ = 'assinaturas_jornais'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    tipo_material_id = Column(Integer, ForeignKey('tipos_materiais.id'))
+    quantidade = Column(Integer, nullable=False)
+    valor_total = Column(Numeric(10, 2), nullable=False)
+    data_inicio = Column(Date, nullable=False)
+    data_fim = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="assinaturas", foreign_keys=[militante_id])
+    tipo_material = relationship("TipoMaterial", back_populates="assinaturas")
\ No newline at end of file
diff --git a/models/entities/comprovante.py b/models/entities/comprovante.py
new file mode 100644
index 0000000..dea2def
--- /dev/null
+++ b/models/entities/comprovante.py
@@ -0,0 +1,15 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class Comprovante(Base):
+    __tablename__ = 'comprovantes'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'), nullable=False)
+    tipo_comprovante = Column(String(50))  # Cota, Jornal, Assinatura, etc.
+    data_comprovante = Column(Date, nullable=False)
+    
+    militante = relationship("Militante", back_populates="comprovantes")
+    transacoes_pix = relationship("TransacaoPIX", back_populates="comprovante")
\ No newline at end of file
diff --git a/models/entities/cota_mensal.py b/models/entities/cota_mensal.py
new file mode 100644
index 0000000..6f92281
--- /dev/null
+++ b/models/entities/cota_mensal.py
@@ -0,0 +1,17 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date, Boolean
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class CotaMensal(Base):
+    __tablename__ = 'cotas_mensais'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    valor_antigo = Column(Numeric(10, 2), nullable=False)
+    valor_novo = Column(Numeric(10, 2), nullable=False)
+    data_alteracao = Column(Date, nullable=False)
+    data_vencimento = Column(Date, nullable=False)
+    pago = Column(Boolean, default=False)
+
+    militante = relationship("Militante", back_populates="cotas_mensais")
\ No newline at end of file
diff --git a/models/entities/material_vendido.py b/models/entities/material_vendido.py
new file mode 100644
index 0000000..d9375a7
--- /dev/null
+++ b/models/entities/material_vendido.py
@@ -0,0 +1,17 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class MaterialVendido(Base):
+    __tablename__ = 'materiais_vendidos'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    tipo_material_id = Column(Integer, ForeignKey('tipos_materiais.id'))
+    descricao = Column(String(255), nullable=False)
+    valor = Column(Numeric(10, 2), nullable=False)
+    data_venda = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="materiais_vendidos")
+    tipo_material = relationship("TipoMaterial", back_populates="materiais_vendidos")
\ No newline at end of file
diff --git a/models/entities/militante.py b/models/entities/militante.py
index a53064f..000b588 100644
--- a/models/entities/militante.py
+++ b/models/entities/militante.py
@@ -71,9 +71,11 @@ class Militante(Base):
     cotas_mensais = relationship("CotaMensal", back_populates="militante")
     pagamentos = relationship("Pagamento", back_populates="militante")
     materiais_vendidos = relationship("MaterialVendido", back_populates="militante")
-    vendas_jornais = relationship("VendaJornalAvulso", back_populates="militante")
-    assinaturas = relationship("AssinaturaAnual", back_populates="militante")
+    vendas_jornais_avulsos = relationship("VendaJornalAvulso", back_populates="militante")
+    vendas_jornais = relationship("VendaJornal", back_populates="militante", foreign_keys="[VendaJornal.militante_id]")
+    assinaturas = relationship("AssinaturaJornal", back_populates="militante", foreign_keys="[AssinaturaJornal.militante_id]")
     celula = relationship("Celula", back_populates="militantes", foreign_keys=[celula_id])
+    comprovantes = relationship("Comprovante", back_populates="militante")
 
     # Constantes para responsabilidades
     SECRETARIO = 1
diff --git a/models/entities/pagamento.py b/models/entities/pagamento.py
new file mode 100644
index 0000000..4e127da
--- /dev/null
+++ b/models/entities/pagamento.py
@@ -0,0 +1,21 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class Pagamento(Base):
+    __tablename__ = 'pagamentos'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    tipo_pagamento = Column(String(50))  # Cota, Jornal, Assinatura, etc.
+    mes_referencia = Column(Date)
+    numero_jornal = Column(String(20))
+    numero_inicial_assinatura = Column(String(20))
+    numero_final_assinatura = Column(String(20))
+    campanha_financeira = Column(String(50))
+    valor = Column(Numeric(10, 2), nullable=False)
+    data_pagamento = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="pagamentos")
+    transacoes_pix = relationship("TransacaoPIX", back_populates="pagamento")
\ No newline at end of file
diff --git a/models/entities/tipo_material.py b/models/entities/tipo_material.py
new file mode 100644
index 0000000..44dee0b
--- /dev/null
+++ b/models/entities/tipo_material.py
@@ -0,0 +1,13 @@
+from sqlalchemy import Column, Integer, String
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class TipoMaterial(Base):
+    __tablename__ = 'tipos_materiais'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    descricao = Column(String(100), nullable=False)
+
+    materiais_vendidos = relationship("MaterialVendido", back_populates="tipo_material")
+    assinaturas = relationship("AssinaturaJornal", back_populates="tipo_material")
\ No newline at end of file
diff --git a/models/entities/venda_jornal.py b/models/entities/venda_jornal.py
new file mode 100644
index 0000000..4f014cb
--- /dev/null
+++ b/models/entities/venda_jornal.py
@@ -0,0 +1,15 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class VendaJornal(Base):
+    __tablename__ = 'vendas_jornais'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    quantidade = Column(Integer, nullable=False)
+    valor_total = Column(Numeric(10, 2), nullable=False)
+    data_venda = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="vendas_jornais", foreign_keys=[militante_id])
\ No newline at end of file
diff --git a/models/entities/venda_jornal_avulso.py b/models/entities/venda_jornal_avulso.py
new file mode 100644
index 0000000..78315b3
--- /dev/null
+++ b/models/entities/venda_jornal_avulso.py
@@ -0,0 +1,15 @@
+from sqlalchemy import Column, Integer, String, ForeignKey, Numeric, Date
+from sqlalchemy.orm import relationship
+
+from models.entities.base import Base
+
+class VendaJornalAvulso(Base):
+    __tablename__ = 'vendas_jornais_avulsos'
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    militante_id = Column(Integer, ForeignKey('militantes.id'))
+    quantidade = Column(Integer, nullable=False)
+    valor_total = Column(Numeric(10, 2), nullable=False)
+    data_venda = Column(Date, nullable=False)
+
+    militante = relationship("Militante", back_populates="vendas_jornais_avulsos")
\ No newline at end of file
diff --git a/scripts/prepare_mvc.sh b/scripts/prepare_mvc.sh
old mode 100644
new mode 100755
index c4f2bf4..8e0c93b
--- a/scripts/prepare_mvc.sh
+++ b/scripts/prepare_mvc.sh
@@ -19,6 +19,24 @@ touch models/entities/__init__.py
 touch controllers/__init__.py
 touch services/__init__.py
 
+# Criar arquivo __init__.py com importações para models/entities
+cat > models/entities/__init__.py << EOF
+from models.entities.base import Base
+from models.entities.usuario import Usuario, TipoUsuario
+from models.entities.militante import Militante, EstadoMilitante
+from models.entities.endereco import Endereco
+from models.entities.email_militante import EmailMilitante
+from models.entities.rede_social import RedeSocial
+from models.entities.cota_mensal import CotaMensal
+from models.entities.pagamento import Pagamento
+from models.entities.tipo_material import TipoMaterial
+from models.entities.material_vendido import MaterialVendido
+from models.entities.venda_jornal import VendaJornal
+from models.entities.venda_jornal_avulso import VendaJornalAvulso
+from models.entities.assinatura_jornal import AssinaturaJornal
+from models.entities.comprovante import Comprovante
+EOF
+
 echo "Todos os arquivos criados com sucesso!"
 echo "Para usar a nova estrutura MVC, execute:"
 echo "1. chmod +x scripts/prepare_mvc.sh"