diff --git a/src/main/java/com/kiisoo/ic/customer/CustomerService.java b/src/main/java/com/kiisoo/ic/customer/CustomerService.java
index e604bc7..bf7b546 100644
--- a/src/main/java/com/kiisoo/ic/customer/CustomerService.java
+++ b/src/main/java/com/kiisoo/ic/customer/CustomerService.java
@@ -237,7 +237,7 @@ public class CustomerService {
                     content.put("content", welcome.getContent());
                     returnValue.put("text", content);
                     List<PmnActivityInstanceConfig> configs = pmnActivityInstanceConfigService.list(Wrappers.<PmnActivityInstanceConfig>lambdaQuery().eq(PmnActivityInstanceConfig::getInstanceId, welcome.getId()));
-                    if(configs.size() > 0) {
+                    if (configs.size() > 0) {
                         List<PmnActivityPromotionParam> params = pmnActivityPromotionParamService.listByIds(configs.stream().map(PmnActivityInstanceConfig::getParamId).collect(Collectors.toSet()));
                         for (PmnActivityPromotionParam param : params) {
                             if (param.getType().equals(1)) {
@@ -263,6 +263,8 @@ public class CustomerService {
                             }
                         }
                     }
+                } else {
+                    return null;
                 }
             }
         }