diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/similarasin/service/LlmGatewayTlsProbe.java b/backend-java/src/test/java/com/nanri/aiimage/modules/similarasin/service/LlmGatewayTlsProbe.java
index acb483bc..f2c3b23a 100644
--- a/backend-java/src/test/java/com/nanri/aiimage/modules/similarasin/service/LlmGatewayTlsProbe.java
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/similarasin/service/LlmGatewayTlsProbe.java
@@ -61,7 +61,7 @@ public class LlmGatewayTlsProbe {
         }
         HttpClient client = builder.build();
         try {
-            String body = "{\"model\":\"gemini-3.5-flash-lite\",\"messages\":[{\"role\":\"user\",\"content\":\"ping\"}],\"max_tokens\":10}";
+            String body = "{\"model\":\"glm-5.3-flash\",\"messages\":[{\"role\":\"user\",\"content\":\"ping\"}],\"max_tokens\":10}";
             HttpRequest request = HttpRequest.newBuilder()
                     .uri(URI.create("https://" + host + "/v1/chat/completions"))
                     .timeout(Duration.ofSeconds(30))