bug 修复

src/main/java/com/yunzhi/marketing/xlk/service/impl/ChannelCustomerServiceImpl.java

                 recommendCustomer.setCirculationTime(LocalDateTime.now());
                 recommendCustomer.setName(customerVisit.getName());
                 taRecommendCustomerMapper.updateById(recommendCustomer);
+            }else {
+                return ResponseBean.error("该客户已到访", ResponseBean.ERROR_UNAVAILABLE);
             }
         }else if ("customer".equals(params.getType())) {
             // 置业顾问 经纪人推荐的客户