diff --git a/service-launcher/src/main/java/com/lanyuanxiaoyao/service/launcher/ExecutorService.java b/service-launcher/src/main/java/com/lanyuanxiaoyao/service/launcher/ExecutorService.java
index e66bc58..9cb88cb 100644
--- a/service-launcher/src/main/java/com/lanyuanxiaoyao/service/launcher/ExecutorService.java
+++ b/service-launcher/src/main/java/com/lanyuanxiaoyao/service/launcher/ExecutorService.java
@@ -174,6 +174,11 @@ public class ExecutorService {
     }
 
     private void setEnvironment(Configuration configuration, String key, String value) {
+        logger.info("Setting environment variable {} = {}", key, value);
+        if (ObjectUtil.isNull(value)) {
+            logger.warn("Environment variable {} is null", key);
+            return;
+        }
         configuration.setString(ResourceManagerOptions.CONTAINERIZED_MASTER_ENV_PREFIX + key, value);
         configuration.setString(ResourceManagerOptions.CONTAINERIZED_TASK_MANAGER_ENV_PREFIX + key, value);
     }