diff --git a/storage/temp/dao.template b/storage/temp/dao.template
index e0f63a4..4adde48 100644
--- a/storage/temp/dao.template
+++ b/storage/temp/dao.template
@@ -7,6 +7,6 @@ import "gitee.com/timedb/wheatCache/pkg/proto"
 
 type Interface interface {
 	{%for key in keys %}
-	{{key.method}}({% for req in key.option %} {{req[1]}}, {% endfor %}) ({% for req in key.ret %} {{req[1]}}, {% endfor %}error)
+	{{key.method}}({% for req in key.option %} {{req[1]}}, {% endfor %}) (*proto.{{key.method}}Response, error)
 	{%- endfor %}
 }