diff --git a/src/main/resources/static/components/module/kh/UploadMaterials.vue b/src/main/resources/static/components/module/kh/UploadMaterials.vue
index 0dd4546..1676746 100644
--- a/src/main/resources/static/components/module/kh/UploadMaterials.vue
+++ b/src/main/resources/static/components/module/kh/UploadMaterials.vue
@@ -27,7 +27,7 @@
       <template v-else>
         <file-upload
           :value.sync="data.files"
-          :upload_number="20"
+          :upload_number="50"
           upload_mode="drag"
           upload_result_category="array"
           complete_result