diff --git a/backend/src/main/java/io/metersphere/api/jmeter/APIBackendListenerClient.java b/backend/src/main/java/io/metersphere/api/jmeter/APIBackendListenerClient.java
index 5664d8c40b..548c87f7f5 100644
--- a/backend/src/main/java/io/metersphere/api/jmeter/APIBackendListenerClient.java
+++ b/backend/src/main/java/io/metersphere/api/jmeter/APIBackendListenerClient.java
@@ -285,7 +285,7 @@ public class APIBackendListenerClient extends AbstractBackendListenerClient impl
             String executionEnvironment = apiScenario.getScenarioDefinition();
             JSONObject json = JSONObject.parseObject(executionEnvironment);
             String name = "";
-            if (json.getString("environmentMap").length() > 2) {
+            if (json != null && json.getString("environmentMap") != null && json.getString("environmentMap").length() > 2) {
                 JSONObject environment = JSONObject.parseObject(json.getString("environmentMap"));
                 String environmentId = environment.get(apiScenario.getProjectId()).toString();
                 name = apiAutomationService.get(environmentId).getName();