diff --git a/QingLong/src/main/java/com/dsideal/QingLong/HuiYa/Controller/HuiYaController.java b/QingLong/src/main/java/com/dsideal/QingLong/HuiYa/Controller/HuiYaController.java
index 4b1a4c25..e7b5373d 100644
--- a/QingLong/src/main/java/com/dsideal/QingLong/HuiYa/Controller/HuiYaController.java
+++ b/QingLong/src/main/java/com/dsideal/QingLong/HuiYa/Controller/HuiYaController.java
@@ -20,6 +20,7 @@ import com.jfinal.plugin.activerecord.Record;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.UUID;
 
 public class HuiYaController extends Controller {
     HuiYaModel ym = new HuiYaModel();
@@ -251,7 +252,7 @@ public class HuiYaController extends Controller {
         res.put("memoList", memoList);
         //图片信息
         res.set("img_url", ym.getImgByModelPrompt(model_id, prompt_id, false));
-        res.set("img_url_thumb", ym.getImgByModelPrompt(model_id, prompt_id, true));
+        res.set("img_url_thumb", ym.getImgByModelPrompt(model_id, prompt_id, true) + "&r=" + UUID.randomUUID());
         //新票据,小程序侧需要注意拿到后更新本地的票据值token
         renderJson(res);
     }