修改b端接口：验证网站搭建；

app/JsonRpc/WebsiteService.php

@@ -1755,7 +1755,7 @@ class WebsiteService implements WebsiteServiceInterface
         //     $missingTypes[] = "列表型底部导航";
         // }
         if (!in_array(0, $foot_type) ) {
-            $missingTypes[] = "单页（详情）";
+            $missingTypes = "单页（详情）";
         } 
         if (!empty($missingTypes)) {
             $errorMessage = "请先添加" . $missingTypes . "！";