diff --git a/packages/frontend/core/src/blocksuite/database-block/properties/file/view.tsx b/packages/frontend/core/src/blocksuite/database-block/properties/file/view.tsx
index 7eb2a18f1b..82c9dc3401 100644
--- a/packages/frontend/core/src/blocksuite/database-block/properties/file/view.tsx
+++ b/packages/frontend/core/src/blocksuite/database-block/properties/file/view.tsx
@@ -300,6 +300,19 @@ class FileCellManager {
   });
 }
 
+const SUPPORTED_IMAGE_MIME_TYPES = new Set([
+  'image/apng',
+  'image/avif',
+  'image/gif',
+  'image/jpeg',
+  'image/png',
+  'image/svg+xml',
+  'image/webp',
+  'image/tiff',
+  'image/bmp',
+  'image/vnd.microsoft.icon',
+]);
+
 const FileCellComponent: ForwardRefRenderFunction<
   DataViewCellLifeCycle,
   CellRenderProps<{}, FileCellRawValueType, FileCellJsonValueType>
@@ -460,7 +473,7 @@ const useFilePreview = (
   const mime =
     loadFileData?.fileType?.mime ??
     (file.type === 'done' ? file.mime : undefined);
-  if (mime?.startsWith('image/')) {
+  if (mime && SUPPORTED_IMAGE_MIME_TYPES.has(mime)) {
     if (loadFileData == null) {
       return {
         preview: null,
diff --git a/packages/frontend/core/src/blocksuite/database-block/properties/member/multi-member-select/index.tsx b/packages/frontend/core/src/blocksuite/database-block/properties/member/multi-member-select/index.tsx
index fda75a3731..71e62a2eb3 100644
--- a/packages/frontend/core/src/blocksuite/database-block/properties/member/multi-member-select/index.tsx
+++ b/packages/frontend/core/src/blocksuite/database-block/properties/member/multi-member-select/index.tsx
@@ -77,6 +77,7 @@ class MemberManager {
       }
       this.ops.onChange([...this.selectedMembers.value, memberId]);
       this.moveSelectionAfterSelect(memberId);
+      this.ops.userListService.search('');
     } else {
       this.ops.onChange(memberId);
     }