diff --git a/api-test/backend/src/main/java/io/metersphere/service/plan/TestPlanScenarioCaseService.java b/api-test/backend/src/main/java/io/metersphere/service/plan/TestPlanScenarioCaseService.java
index e87b11d604..64d4e84ec8 100644
--- a/api-test/backend/src/main/java/io/metersphere/service/plan/TestPlanScenarioCaseService.java
+++ b/api-test/backend/src/main/java/io/metersphere/service/plan/TestPlanScenarioCaseService.java
@@ -248,6 +248,7 @@ public class TestPlanScenarioCaseService {
             testPlanApiScenario.setTestPlanId(request.getPlanId());
             testPlanApiScenario.setCreateTime(System.currentTimeMillis());
             testPlanApiScenario.setUpdateTime(System.currentTimeMillis());
+            newEnvMap.remove(null);
             String environmentJson = JSON.toJSONString(newEnvMap);
             if (StringUtils.equals(envType, EnvironmentType.JSON.name())) {
                 testPlanApiScenario.setEnvironment(environmentJson);