fix: #567 use modal to upload files in the knowledge base (#601)

### What problem does this PR solve?

fix:  #567 use modal to upload files in the knowledge base

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/hooks/documentHooks.ts

@@ -184,12 +184,12 @@ export const useUploadDocument = () => {
   const { knowledgeId } = useGetKnowledgeSearchParams();
 
   const uploadDocument = useCallback(
-    (file: UploadFile) => {
+    (fileList: UploadFile[]) => {
       try {
         return dispatch<any>({
           type: 'kFModel/upload_document',
           payload: {
-            file,
+            fileList,
             kb_id: knowledgeId,
           },
         });