medal add sale_begin_time + sale_end_time + inventory

resources/lang/zh_CN/label.php

@@ -34,6 +34,7 @@ return [
     'cancel' => '取消',
     'reset' => '重置',
     'anonymous' => '匿名',
+    'infinite' => '无限',
     'setting' => [
         'nav_text' => '设置',
         'backup' => [
@@ -112,6 +113,7 @@ return [
         'duration' => '有效时长',
         'duration_help' => '单位：天。如果留空，用户永久拥有',
         'display_on_medal_page' => '展示在勋章页面',
+
     ],
     'user_medal' => [
         'label' => '用户勋章',