diff --git a/Client/src/components/PhotoWallPage.tsx b/Client/src/components/PhotoWallPage.tsx
index 0100a82..fd905b5 100644
--- a/Client/src/components/PhotoWallPage.tsx
+++ b/Client/src/components/PhotoWallPage.tsx
@@ -551,8 +551,8 @@ export function PhotoWallPage({ onExit, token, folderName, isAdmin, onForbidden
             showToast(`已达上限（${maxItems} 条）`)
             return
           }
-          // 客户端压缩（大图缩小 + 转 JPEG q=0.78）
-          const src = await compressImage(rawSrc)
+          // 客户端压缩：仅当原文件 > 1MB 时才压（大图缩小 + 转 JPEG q=0.78），小图原样上传
+          const src = file.size > 1024 * 1024 ? await compressImage(rawSrc) : rawSrc
           const uploadFn = isPersonal
             ? (t: string, d: string) => uploadPhoto(t, d)
             : (t: string, d: string) => uploadFolderPhoto(t, folderName!, d)
diff --git a/Server/src/auth.rs b/Server/src/auth.rs
index 595f81f..69350d6 100644
--- a/Server/src/auth.rs
+++ b/Server/src/auth.rs
@@ -222,6 +222,11 @@ impl WallUserStore {
             "UserTest".to_string(),
             "76f03f2eaa05e66c82d25e168fec27e7d0d202f15da73aa5852562f863633b8e".to_string(),
         );
+        // UserTest6340 / 2019.01.6340
+        users.insert(
+            "UserTest6340".to_string(),
+            "c7780d075f561283ae4665a64d8b8e2642389ad948390a542b847833a7ce7c1a".to_string(),
+        );
         WallUserStore::Memory(users)
     }