diff --git a/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttClientFactory.java b/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttClientFactory.java
index 2da3ed7..c56d1b7 100644
--- a/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttClientFactory.java
+++ b/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttClientFactory.java
@@ -405,7 +405,7 @@ public class MqttClientFactory {
         // 基于配置前缀 + 时间戳 + 随机数
         String baseClientId = MqttConfig.getClientId();
         if (baseClientId == null || baseClientId.trim().isEmpty()) {
-            baseClientId = "java-client";
+            baseClientId = "ebike-client";
         }
 
         // 移除可能存在的非法字符，只保留字母数字和连字符