diff --git a/src/main/java/com/example/caseData/controller/PublicController.java b/src/main/java/com/example/caseData/controller/PublicController.java
index f9cfd05..bf06aee 100644
--- a/src/main/java/com/example/caseData/controller/PublicController.java
+++ b/src/main/java/com/example/caseData/controller/PublicController.java
@@ -67,7 +67,13 @@ public class PublicController {
             ossPath = "prod/";
         }
 
-        ossPath = ossPath + "static/images/exchange/";
+        if (request.getScene() == 1){
+            ossPath = ossPath + "static/images/exchange/";
+        }else if (request.getScene() == 2){
+            ossPath = ossPath + "static/video/exchange/";
+        }else{
+            return Response.error();
+        }
 
         // 生成签名
         GetOssSignDto g = Oss.getOssSign(ossPath);