diff --git a/app/Admin/Controllers/ActivityController.php b/app/Admin/Controllers/ActivityController.php
index 80a98ff..a7044ce 100644
--- a/app/Admin/Controllers/ActivityController.php
+++ b/app/Admin/Controllers/ActivityController.php
@@ -107,7 +107,7 @@ class ActivityController extends AdminController
             amis()->DateRangeControl('start_at', __('admin.activities.activity_at'))->extraName('end_at')->clearable(false)->format('YYYY-MM-DD HH:mm:ss')->required(true),
             amis()->TextControl('share_title',  __('admin.activities.share_title')),
             Components::make()->cropImageControl('share_image',  __('admin.activities.share_image'), 1.5),
-            amis()->TextareaControl('rules', __('admin.activities.rules'))->minRows(30),
+            amis()->TextareaControl('rules', __('admin.activities.rules'))->trimContents(false)->minRows(30),
             
         ]);
     }
@@ -262,7 +262,7 @@ class ActivityController extends AdminController
                                                 amis()->TextControl('gift_name', __('admin.activity_gifts.name'))->required(true),
                                                 Components::make()->cropImageControl('logo',  __('admin.activity_gifts.logo')),
                                                 Components::make()->sortControl('rank', __('admin.activity_gifts.rank'))->required(true),
-                                                amis()->TextareaControl('explain', __('admin.activity_gifts.explain'))->minRows(6)
+                                                amis()->TextareaControl('explain', __('admin.activity_gifts.explain'))->trimContents(false)->minRows(6)
                                             ])
                                     ])->size('lg')
                                 )
@@ -284,7 +284,7 @@ class ActivityController extends AdminController
                                                 amis()->TextControl('name', __('admin.activity_gifts.name'))->required(true),
                                                 Components::make()->cropImageControl('logo',  __('admin.activity_gifts.logo')),
                                                 Components::make()->sortControl('rank', __('admin.activity_gifts.rank'))->required(true),
-                                                amis()->TextareaControl('explain', __('admin.activity_gifts.explain'))->minRows(6)
+                                                amis()->TextareaControl('explain', __('admin.activity_gifts.explain'))->trimContents(false)->minRows(6)
                                             ])
                                         ])->size('lg')),
                                     amisMake()->AjaxAction()->label('删除')->level('link')