style(admin): 移除后台右下角悬浮的通知与客服按钮，避免遮挡表格筛选操作

application/extra/site.php

@@ -4,7 +4,7 @@ return [
     'name' => '恒链数通',
     'beian' => '',
     'cdnurl' => '',
-    'version' => '1.0.2',
+    'version' => '1.0.3',
     'timezone' => 'Asia/Shanghai',
     'forbiddenip' => '',
     'languages' => [