优化

app/controller/Index.php

@@ -121,10 +121,11 @@ class Index extends BaseController
             validate()->rule(['id|公告id' => 'require|number'])->check($param);
 
             $Notice = Notice::where('id',$param['id'])->order('sort asc,id desc')->find();
-
+            $create_time = $Notice->create_time;
+            if (!empty($Notice->update_time)) $create_time = $Notice->update_time;
             return $this->renderSuccess('数据返回成功',[
                 'title' => $Notice->title,
-                'create_time' => date("Y.m.d H:i:s",strtotime($Notice->create_time)),
+                'create_time' => date("Y.m.d H:i:s",strtotime($create_time)),
                 'content' => $Notice->content
             ]);
         } catch (ValidateException $validateException) {