diff --git a/Exception404/src/index.tsx b/Exception404/src/index.tsx
index 35a6b9c6598555e7bb4ef240ac724d23ad3a5ea7..59097efd559062befbe40126444f460741a98415 100644
--- a/Exception404/src/index.tsx
+++ b/Exception404/src/index.tsx
@@ -3,7 +3,7 @@ import { formatMessage } from 'umi-plugin-react/locale';
 import Link from 'umi/link';
 import Exception from './components/Exception';
 
-const PAGE_NAME_UPPER_CAMEL_CASE: React.SFC = () => (
+export default () => (
   <Exception
     type="404"
     linkElement={Link}
@@ -11,5 +11,3 @@ const PAGE_NAME_UPPER_CAMEL_CASE: React.SFC = () => (
     backText={formatMessage({ id: 'BLOCK_NAME.exception.back' })}
   />
 );
-
-export default PAGE_NAME_UPPER_CAMEL_CASE;
diff --git a/Exception500/src/index.tsx b/Exception500/src/index.tsx
index edbf668546644e0fdc0c33d35b6104f83f3ea289..87c15a97b1a2fb2dc620d80947e942d3d4aeb0ab 100644
--- a/Exception500/src/index.tsx
+++ b/Exception500/src/index.tsx
@@ -3,7 +3,7 @@ import { formatMessage } from 'umi-plugin-react/locale';
 import Link from 'umi/link';
 import Exception from './components/Exception';
 
-const PAGE_NAME_UPPER_CAMEL_CASE: React.FC = () => (
+export default () => (
   <Exception
     type="500"
     desc={formatMessage({ id: 'BLOCK_NAME.description.500' })}
@@ -11,5 +11,3 @@ const PAGE_NAME_UPPER_CAMEL_CASE: React.FC = () => (
     backText={formatMessage({ id: 'BLOCK_NAME.exception.back' })}
   />
 );
-
-export default PAGE_NAME_UPPER_CAMEL_CASE;