diff --git a/backend/src/main/java/com/maternalmall/controller/FileUploadController.java b/backend/src/main/java/com/maternalmall/controller/FileUploadController.java
index 10f3c90..b2ecd3f 100644
--- a/backend/src/main/java/com/maternalmall/controller/FileUploadController.java
+++ b/backend/src/main/java/com/maternalmall/controller/FileUploadController.java
@@ -25,7 +25,7 @@ public class FileUploadController {
     @PostMapping("/upload")
     public ApiResponse<String> uploadFile(@RequestParam("file") MultipartFile file) {
         if (file.isEmpty()) {
-            return ApiResponse.error("请选择要上传的文件");
+            return ApiResponse.fail("请选择要上传的文件");
         }
 
         try {
@@ -49,23 +49,23 @@ public class FileUploadController {
 
             // 返回文件URL
             String fileUrl = uploadUrlPrefix + "/" + newFilename;
-            return ApiResponse.success(fileUrl);
+            return ApiResponse.ok(fileUrl);
 
         } catch (IOException e) {
-            return ApiResponse.error("文件上传失败: " + e.getMessage());
+            return ApiResponse.fail("文件上传失败: " + e.getMessage());
         }
     }
 
     @PostMapping("/upload/image")
     public ApiResponse<String> uploadImage(@RequestParam("file") MultipartFile file) {
         if (file.isEmpty()) {
-            return ApiResponse.error("请选择要上传的图片");
+            return ApiResponse.fail("请选择要上传的图片");
         }
 
         // 检查文件类型
         String contentType = file.getContentType();
         if (contentType == null || !contentType.startsWith("image/")) {
-            return ApiResponse.error("只能上传图片文件");
+            return ApiResponse.fail("只能上传图片文件");
         }
 
         return uploadFile(file);
diff --git a/backend/target/classes/com/maternalmall/config/WebMvcConfig.class b/backend/target/classes/com/maternalmall/config/WebMvcConfig.class
deleted file mode 100644
index 2391c3c..0000000
Binary files a/backend/target/classes/com/maternalmall/config/WebMvcConfig.class and /dev/null differ
diff --git a/backend/target/classes/com/maternalmall/domain/OrderItem.class b/backend/target/classes/com/maternalmall/domain/OrderItem.class
deleted file mode 100644
index 701ab75..0000000
Binary files a/backend/target/classes/com/maternalmall/domain/OrderItem.class and /dev/null differ
diff --git a/backend/target/classes/com/maternalmall/service/MallService.class b/backend/target/classes/com/maternalmall/service/MallService.class
deleted file mode 100644
index 9fce455..0000000
Binary files a/backend/target/classes/com/maternalmall/service/MallService.class and /dev/null differ