diff --git a/backend-java/src/main/java/com/nanri/aiimage/config/SimilarAsinProperties.java b/backend-java/src/main/java/com/nanri/aiimage/config/SimilarAsinProperties.java
index 6665e546..ec0683b5 100644
--- a/backend-java/src/main/java/com/nanri/aiimage/config/SimilarAsinProperties.java
+++ b/backend-java/src/main/java/com/nanri/aiimage/config/SimilarAsinProperties.java
@@ -150,13 +150,13 @@ public class SimilarAsinProperties {
     private String llmApiKey = "";
 
     /** 类目匹配（一级/二级）使用的小模型。 */
-    private String llmCategoryModel = "gemini-3.5-flash-lite";
+    private String llmCategoryModel = "glm-5.3-flash";
 
     /** 合规检查（is_conform/reason/category）使用的小模型。 */
-    private String llmConformModel = "gemini-3.5-flash-lite";
+    private String llmConformModel = "glm-5.3-flash";
 
     /** 图片相似度对比（主图 vs 拼接图）使用的模型。 */
-    private String llmImageCompareModel = "gemini-3.7-flash";
+    private String llmImageCompareModel = "glm-5.3-flash";
 
     private int llmMaxTokens = 64000;
     private int llmConnectTimeoutMillis = 10000;