diff --git a/xls2ddl/xls2crud.py b/xls2ddl/xls2crud.py
index 2cd359f..aa882f0 100644
--- a/xls2ddl/xls2crud.py
+++ b/xls2ddl/xls2crud.py
@@ -351,6 +351,17 @@ def build_data_browser(pat: str, desc: dict):
 	desc.fieldliststr = json.dumps(field_list(desc), ensure_ascii=False, indent=4)
 	desc.filter_fields = build_filter_field_list(desc)
 	desc.filterfieldstr = json.dumps(desc.filter_fields, ensure_ascii=False, indent=4)
+	# 有 data_filter 时自动注入搜索按钮
+	if desc.data_filter:
+		toolbar = desc.get('toolbar', None)
+		if not toolbar:
+			toolbar = {'tools': []}
+			desc.toolbar = toolbar
+		tools = toolbar.get('tools', [])
+		# 确保 filter 按钮在最前面且不重复
+		tools = [t for t in tools if t.get('name') != 'filter']
+		tools.insert(0, {'name': 'filter', 'label': '搜索', 'icon': 'filter'})
+		toolbar['tools'] = tools
 	e = MyTemplateEngine([])
 	s = e.renders(data_browser_tmpl, desc)
 	with codecs.open(os.path.join(pat, f'index.ui'), 'w', "utf-8") as f: