增加业务域名错误提示

app/Admin/Extensions/Grid/MiniProgramUpload.php

@@ -85,7 +85,7 @@ class MiniProgramUpload extends RowAction
 			$domain->modify($param); //服务器域名，服务器域名多次设置仅第一次成功，这里不校验返回结果正确性
 			$res = $domain->setWebviewDomain([$host]); //业务域名
 			if (!isset($res['errcode'], $res['errmsg']) || $res['errcode'] != 0 || $res['errmsg'] != 'ok') {
-				throw new \Exception('设置业务域名失败！');
+				throw new \Exception("设置业务域名{$host}失败，原因：" . $res['errmsg'] ?? (is_array($res) ? join(',', $res) : '未知'));
 			}
 
 			/** @var Client $code */