diff --git a/frontend/src/components/menu.vue b/frontend/src/components/menu.vue
index 26c9c662..81e01cae 100644
--- a/frontend/src/components/menu.vue
+++ b/frontend/src/components/menu.vue
@@ -168,7 +168,7 @@
             ref="docUploadInput"
             type="file"
             class="kb-upload-input"
-            accept=".pdf,.docx,.doc,.txt,.md,.jpg,.jpeg,.png"
+            accept=".pdf,.docx,.doc,.txt,.md,.jpg,.jpeg,.png,.csv,.xls,.xlsx"
             multiple
             @change="handleDocFileChange"
         />
diff --git a/frontend/src/views/platform/index.vue b/frontend/src/views/platform/index.vue
index 1e5c214c..0c2249f9 100644
--- a/frontend/src/views/platform/index.vue
+++ b/frontend/src/views/platform/index.vue
@@ -3,7 +3,7 @@
         <Menu></Menu>
         <RouterView />
         <div class="upload-mask" v-show="ismask">
-            <input type="file" style="display: none" ref="uploadInput" accept=".pdf,.docx,.doc,.txt,.md" />
+            <input type="file" style="display: none" ref="uploadInput" accept=".pdf,.docx,.doc,.txt,.md,.jpg,.jpeg,.png,.csv,.xls,.xlsx" />
             <UploadMask></UploadMask>
         </div>
     </div>