diff --git a/lottery/model/plw.py b/lottery/model/plw.py
index bb2c1f5..ba5b468 100644
--- a/lottery/model/plw.py
+++ b/lottery/model/plw.py
@@ -7,7 +7,7 @@ Base = declarative_base()
 metadata = Base.metadata
 
 
-class Plw(Base):
+class PLW(Base):
     __tablename__ = 'plw'
     __table_args__ = {'comment': '排列五统计表'}