diff --git a/frontend/mobile-app/lib/features/mining/presentation/pages/mining_page.dart b/frontend/mobile-app/lib/features/mining/presentation/pages/mining_page.dart
index 76158791..a5a40438 100644
--- a/frontend/mobile-app/lib/features/mining/presentation/pages/mining_page.dart
+++ b/frontend/mobile-app/lib/features/mining/presentation/pages/mining_page.dart
@@ -416,8 +416,6 @@ class _MiningPageState extends ConsumerState<MiningPage> {
           width: 80,
           height: 80,
           fit: BoxFit.cover,
-          cacheWidth: 160, // 2x 分辨率缓存，提升性能
-          cacheHeight: 160,
           gaplessPlayback: true, // 防止图片切换时闪烁
           errorBuilder: (context, error, stackTrace) {
             // 本地文件加载失败，尝试网络URL
diff --git a/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart b/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
index 7d9b3169..4a56b262 100644
--- a/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
+++ b/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
@@ -397,8 +397,6 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
           width: 80,
           height: 80,
           fit: BoxFit.cover,
-          cacheWidth: 160, // 2x 分辨率缓存，提升性能
-          cacheHeight: 160,
           gaplessPlayback: true, // 防止图片切换时闪烁
           errorBuilder: (context, error, stackTrace) {
             // 本地文件加载失败，尝试网络URL