diff --git a/components/upload/config.js b/components/upload/config.js
index a609b40e76e9cba0f5a4446008ede0ff76474c48..f69fe49f492786ba7aeb6a1f05314fb7ac9aad49 100644
--- a/components/upload/config.js
+++ b/components/upload/config.js
@@ -1,31 +1,32 @@
 /* eslint-disable */
-export const fileConfig={
-    'image':{},
-    'ppt':{
-        thumbUrl:`${CDN_PATH}/pptIcon.png`
+const CDN_PATH = process.env.CDN_PATH || '';
+export const fileConfig = {
+    'image': {},
+    'ppt': {
+        thumbUrl: `${CDN_PATH}/pptIcon.png`
     },
-    'pptx':{
-      thumbUrl:`${CDN_PATH}/pptIcon.png`
+    'pptx': {
+        thumbUrl: `${CDN_PATH}/pptIcon.png`
     },
-    'zip':{
-        thumbUrl:`${CDN_PATH}/zipIcon.png`
+    'zip': {
+        thumbUrl: `${CDN_PATH}/zipIcon.png`
     },
-    'xlsx':{
-        thumbUrl:`${CDN_PATH}/xlsIcon.png`
+    'xlsx': {
+        thumbUrl: `${CDN_PATH}/xlsIcon.png`
     },
-    'xls':{
-        thumbUrl:`${CDN_PATH}/xlsIcon.png`
+    'xls': {
+        thumbUrl: `${CDN_PATH}/xlsIcon.png`
     },
-    'doc':{
-        thumbUrl:`${CDN_PATH}/docIcon.png`
+    'doc': {
+        thumbUrl: `${CDN_PATH}/docIcon.png`
     },
-    'docx':{
-        thumbUrl:`${CDN_PATH}/docIcon.png`
+    'docx': {
+        thumbUrl: `${CDN_PATH}/docIcon.png`
     },
-    'pdf':{
-        thumbUrl:`${CDN_PATH}/pdfIcon.png`
+    'pdf': {
+        thumbUrl: `${CDN_PATH}/pdfIcon.png`
     },
-    'other':{
-        thumbUrl:`${CDN_PATH}/otherIcon.png`
+    'other': {
+        thumbUrl: `${CDN_PATH}/otherIcon.png`
     }
 }