diff --git a/models/exception.py b/models/exception.py
index def5b05..5def12a 100644
--- a/models/exception.py
+++ b/models/exception.py
@@ -8,11 +8,10 @@ class Exception(Base):
     __tablename__ = "exceptions"
     
     id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
-    error_code = Column(String(50), nullable=False)
-    error_message = Column(String(255), nullable=False)
+    error_code = Column(String, nullable=False, index=True)
+    error_message = Column(Text, nullable=False)
     stack_trace = Column(Text, nullable=True)
-    endpoint = Column(String(100), nullable=False)
-    method = Column(String(10), nullable=False)
+    endpoint = Column(String, nullable=False)
     request_data = Column(Text, nullable=True)
     created_at = Column(DateTime, default=func.now())
     updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
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