增加swagger注解

ruoyi-admin/src/main/java/com/ruoyi/web/controller/api/AppController.java

@@ -131,6 +131,7 @@ public class AppController extends BaseController
 
     @GetMapping(value = "/config/ai/refreshtime")
     @Log(title = "获取AI结果刷新时间接口")
+    @ApiOperation("获取AI结果刷新时间接口")
     public AjaxResult getConfigKey()
     {
         String configKey="t.ai.refreshtime";