change param type

app/api/mobile/apis/blockchains.rb

@@ -77,7 +77,7 @@ module Mobile
         params do
           requires :username, type: String
           requires :password, type: String
-          requires :shaList, type: Array
+          requires :shaList, type: Array[String]
           requires :branch, type: String
           requires :ownername, type: String
           requires :reponame, type: String
@@ -88,6 +88,7 @@ module Mobile
           if owner
             project = Project.find_by_user_id_name(owner.id, params[:reponame])
             if project
+              Rails.logger.info params[:shaList].length
               g = Gitlab.client # 用于通过gitlab api进行查询
               result = []
               for i in 0..params[:shaList].length