diff --git a/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java b/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java
index df4ee43776..7b88f07940 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java
@@ -1013,6 +1013,7 @@ public class ApiAutomationService {
                     isEnv = false;
                 } else {
                     Set<String> projectIds = apiScenarioEnv.getProjectIds();
+                    projectIds.remove(null);
                     if (CollectionUtils.isNotEmpty(envMap.keySet())) {
                         for (String id : projectIds) {
                             Project project = projectMapper.selectByPrimaryKey(id);