diff --git a/powerjob-common/src/main/java/tech/powerjob/common/request/ServerDiscoveryRequest.java b/powerjob-common/src/main/java/tech/powerjob/common/request/ServerDiscoveryRequest.java
index 34a7d6bd..16f23715 100644
--- a/powerjob-common/src/main/java/tech/powerjob/common/request/ServerDiscoveryRequest.java
+++ b/powerjob-common/src/main/java/tech/powerjob/common/request/ServerDiscoveryRequest.java
@@ -30,7 +30,10 @@ public class ServerDiscoveryRequest implements Serializable {
 
     public Map<String, Object> toMap() {
         Map<String, Object> ret = new HashMap<>();
-        ret.put("appId", appId);
+        // testMode 下 appId 可能为空，此处不判断会导致 testMode 无法启动 #580
+        if (appId != null) {
+            ret.put("appId", appId);
+        }
         ret.put("protocol", protocol);
         if (StringUtils.isNotEmpty(currentServer)) {
             ret.put("currentServer", currentServer);
diff --git a/powerjob-worker-samples/src/main/resources/application.properties b/powerjob-worker-samples/src/main/resources/application.properties
index c7249888..db69a909 100644
--- a/powerjob-worker-samples/src/main/resources/application.properties
+++ b/powerjob-worker-samples/src/main/resources/application.properties
@@ -3,6 +3,8 @@ spring.jpa.open-in-view=false
 ########### PowerJob-worker properties. ###########
 # Whether to enable PowerJob Worker, default is true
 powerjob.worker.enabled=true
+# Turn on test mode and do not force the server connection to be verified
+powerjob.worker.enable-test-mode=true
 # Transport port, default is 27777
 powerjob.worker.port=27777
 # Application name, used for grouping applications. Recommend to set the same value as project name.