修复图片上传未返回Bug

litemall-admin-api/src/main/java/org/linlinjava/litemall/admin/web/AdminStorageController.java

@@ -50,8 +50,10 @@ public class AdminStorageController {
             return ResponseUtil.unlogin();
         }
         String originalFilename = file.getOriginalFilename();
-        storageService.store(file.getInputStream(), file.getSize(), file.getContentType(), originalFilename);
-        return ResponseUtil.ok();
+        String url = storageService.store(file.getInputStream(), file.getSize(), file.getContentType(), originalFilename);
+        Map<String, Object> data = new HashMap<>();
+        data.put("url", url);
+        return ResponseUtil.ok(data);
     }
 
     @PostMapping("/read")