diff --git a/model/pls.py b/model/pls.py
index 2e01869..b293d0f 100644
--- a/model/pls.py
+++ b/model/pls.py
@@ -7,7 +7,7 @@ Base = declarative_base()
 metadata = Base.metadata
 
 
-class Pl(Base):
+class PLS(Base):
     __tablename__ = 'pls'
     __table_args__ = {'comment': '排列三统计表'}
 
diff --git a/model/plw.py b/model/plw.py
index d606564..5d1142b 100644
--- a/model/plw.py
+++ b/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'}