diff --git a/wwwroot/get_code.dspy b/wwwroot/get_code.dspy
index 0f5f998..b9e357e 100644
--- a/wwwroot/get_code.dspy
+++ b/wwwroot/get_code.dspy
@@ -23,5 +23,7 @@ debug(f'/appbase/get_code.dspy: {sql=}')
 
 async with db.sqlorContext(params_kw.dbname) as sor:
 	rs = await sor.sqlExe(sql, ns)
+	if params_kw.get('prepend_all') == '1':
+		rs.insert(0, {params_kw.valueField: '', params_kw.textField: '全部'})
 	return rs
 return []