diff --git a/prompts/main_system.txt b/prompts/main_system.txt
index a0f1b12..263d15f 100644
--- a/prompts/main_system.txt
+++ b/prompts/main_system.txt
@@ -103,6 +103,7 @@
 - 用户说「给我这个文件」「下载 xxx」→ 用下载链接
 - 用户说「看一下这个文件」「展示 xxx 的内容」→ 用 `<show_file>` 卡片
 - 生成报告/数据文件后想展示成果 → 用 `<show_file>` 卡片
+- 用户让你处理、分析、修改文件，或任务可能产生结果文件时 → 完成后主动用 `<show_file>` 卡片或下载链接展示结果，不要等用户索要
 
 注意：路径必须是工作区内已存在的文件。输出前确保文件已通过 `write_file` 或其他方式创建。
 
diff --git a/prompts/main_system_qwenvl.txt b/prompts/main_system_qwenvl.txt
index 8b65c2e..b22a1c0 100644
--- a/prompts/main_system_qwenvl.txt
+++ b/prompts/main_system_qwenvl.txt
@@ -103,6 +103,7 @@
 - 用户说「给我这个文件」「下载 xxx」→ 用下载链接
 - 用户说「看一下这个文件」「展示 xxx 的内容」→ 用 `<show_file>` 卡片
 - 生成报告/数据文件后想展示成果 → 用 `<show_file>` 卡片
+- 用户让你处理、分析、修改文件，或任务可能产生结果文件时 → 完成后主动用 `<show_file>` 卡片或下载链接展示结果，不要等用户索要
 
 注意：路径必须是工作区内已存在的文件。输出前确保文件已通过 `write_file` 或其他方式创建。
 
diff --git a/prompts/workspace_system.txt b/prompts/workspace_system.txt
index 0e5d0b1..ab5a742 100644
--- a/prompts/workspace_system.txt
+++ b/prompts/workspace_system.txt
@@ -9,3 +9,5 @@
 ```
 {file_tree}
 ```
+
+{recent_uploads}
diff --git a/server/chat_flow_task_main.py b/server/chat_flow_task_main.py
index cf27bc1..be6fe9e 100644
--- a/server/chat_flow_task_main.py
+++ b/server/chat_flow_task_main.py
@@ -174,6 +174,31 @@ def _user_message_ui_defaults(source: str, *, auto_user_message_event: bool = Fa
     return {"visibility": "chat", "starts_work": normalized == "user" and not auto_user_message_event}
 
 
+def _extract_media_path(item: Any) -> str:
+    if isinstance(item, dict):
+        return str(item.get("path") or "").strip()
+    return str(item or "").strip()
+
+
+def _build_media_paths_message(images: Optional[List[Any]], videos: Optional[List[Any]]) -> Optional[str]:
+    """为本次消息附带的图片/视频生成一条 hidden user 消息文本。"""
+    paths: List[str] = []
+    for item in images or []:
+        path = _extract_media_path(item)
+        if path and path not in paths:
+            paths.append(path)
+    for item in videos or []:
+        path = _extract_media_path(item)
+        if path and path not in paths:
+            paths.append(path)
+    if not paths:
+        return None
+    lines = ["[系统通知|media_paths]", "本次消息附带的媒体文件路径："]
+    for path in paths:
+        lines.append(f"- `{path}`")
+    return "\n".join(lines)
+
+
 def _should_skip_versioning_for_message(
     *,
     message: str,
@@ -920,6 +945,19 @@ async def handle_task_with_sender(
                 }
             )
     if not auto_user_message_event:
+        media_paths_message = _build_media_paths_message(images, videos)
+        if media_paths_message:
+            web_terminal.context_manager.add_conversation(
+                "user",
+                media_paths_message,
+                metadata={
+                    "source": "media_paths",
+                    "message_source": "media_paths",
+                    "visibility": "hidden",
+                    "starts_work": False,
+                    "hidden": True,
+                }
+            )
         try:
             sender(
                 'user_message',
diff --git a/static/src/components/chat/ShowFileCard.vue b/static/src/components/chat/ShowFileCard.vue
index f55aa15..35be71e 100644
--- a/static/src/components/chat/ShowFileCard.vue
+++ b/static/src/components/chat/ShowFileCard.vue
@@ -22,7 +22,7 @@
       </div>
     </div>
 
-    <div class="sfc-preview" v-if="canPreview">
+    <div class="sfc-preview" :class="{ 'sfc-preview--csv': fileType === 'csv' }" v-if="canPreview">
       <div class="sfc-loading" v-if="loading">
         <span class="sfc-spinner"></span>
         <span>加载中...</span>
@@ -35,7 +35,7 @@
       </template>
 
       <template v-else-if="fileType === 'csv'">
-        <div class="sfc-csv-scroll">
+        <div class="sfc-csv-scroll" :class="{ 'sfc-csv-scroll--loading': loading }">
           <table class="sfc-csv-table">
             <thead>
               <tr>
@@ -83,6 +83,24 @@ import Prism from 'prismjs';
 import { renderMarkdown } from '../../composables/useMarkdownRenderer';
 import PdfPreview from './PdfPreview.vue';
 
+// 文本类文件内容缓存，避免父组件反复重建卡片时重复 fetch 导致闪烁
+const SHOW_FILE_CONTENT_CACHE = new Map<string, { content: string; ts: number }>();
+const SHOW_FILE_CONTENT_CACHE_TTL_MS = 5 * 60 * 1000;
+
+function getCachedShowFileContent(path: string): string | null {
+  const cached = SHOW_FILE_CONTENT_CACHE.get(path);
+  if (!cached) return null;
+  if (Date.now() - cached.ts > SHOW_FILE_CONTENT_CACHE_TTL_MS) {
+    SHOW_FILE_CONTENT_CACHE.delete(path);
+    return null;
+  }
+  return cached.content;
+}
+
+function setCachedShowFileContent(path: string, content: string) {
+  SHOW_FILE_CONTENT_CACHE.set(path, { content, ts: Date.now() });
+}
+
 defineOptions({ name: 'ShowFileCard' });
 
 const props = defineProps<{
@@ -206,8 +224,19 @@ function buildContentUrl() {
 }
 
 async function loadContent() {
-  loading.value = true;
+  if (!canPreview.value) return;
   error.value = '';
+
+  // 文本类文件优先读缓存，避免重复 fetch 导致闪烁
+  if (!['image', 'pdf'].includes(fileType.value)) {
+    const cached = getCachedShowFileContent(props.path);
+    if (cached !== null) {
+      rawContent.value = cached;
+      return;
+    }
+  }
+
+  loading.value = true;
   try {
     if (['image', 'pdf'].includes(fileType.value)) {
       contentUrl.value = buildContentUrl();
@@ -219,7 +248,9 @@ async function loadContent() {
         error.value = msg || '加载失败';
         return;
       }
-      rawContent.value = await resp.text();
+      const content = await resp.text();
+      rawContent.value = content;
+      setCachedShowFileContent(props.path, content);
     }
   } catch (e) {
     error.value = (e as Error).message || '网络错误';
@@ -362,6 +393,7 @@ onMounted(() => {
 .sfc-preview {
   border-top: 1px solid var(--border-default);
   max-height: 360px;
+  min-height: 160px;
   overflow: auto;
   position: relative;
   background: var(--surface-base);
@@ -369,6 +401,12 @@ onMounted(() => {
   scrollbar-color: var(--text-muted) transparent;
 }
 
+.sfc-preview--csv {
+  overflow: auto;
+  display: block;
+  padding: 0;
+}
+
 .sfc-preview::-webkit-scrollbar {
   width: 8px;
 }
@@ -423,14 +461,24 @@ onMounted(() => {
 }
 
 .sfc-csv-scroll {
-  overflow: auto;
-  max-height: 350px;
+  overflow-x: auto;
+  overflow-y: hidden;
+  margin: 0;
+  padding: 0;
+}
+.sfc-csv-scroll--loading {
+  min-height: 160px;
 }
 
 .sfc-csv-table {
-  width: 100%;
+  width: max-content;
+  min-width: 100%;
   border-collapse: collapse;
+  border-spacing: 0;
   font-size: 12px;
+  margin: 0;
+  padding: 0;
+  background: var(--surface-soft);
 }
 
 .sfc-csv-table th,
@@ -444,8 +492,10 @@ onMounted(() => {
 .sfc-csv-table th {
   background: var(--surface-soft);
   font-weight: 600;
-  position: sticky;
-  top: 0;
+}
+
+.sfc-csv-table td {
+  background: var(--surface-base);
 }
 
 .sfc-csv-meta {
diff --git a/utils/context_manager/message_mixin.py b/utils/context_manager/message_mixin.py
index 7c399d3..a4bc4d9 100644
--- a/utils/context_manager/message_mixin.py
+++ b/utils/context_manager/message_mixin.py
@@ -74,9 +74,56 @@ AUTO_SHALLOW_TOOL_WHITELIST = {
 }
 
 
+MAX_RECENT_UPLOADS = 10
+
+
 class MessageMixin:
     """ContextManager message mixin 能力 mixin。"""
 
+    def _build_recent_uploads_block(self, max_items: int = MAX_RECENT_UPLOADS) -> str:
+        """扫描工作区 .agents/user_upload 目录，按修改时间倒序生成最近上传文件列表。"""
+        try:
+            project_path = Path(getattr(self, "project_path", ".") or ".").expanduser().resolve()
+            uploads_dir = project_path / ".agents" / "user_upload"
+            if not uploads_dir.is_dir():
+                return ""
+            files = []
+            for item in uploads_dir.iterdir():
+                if not item.is_file():
+                    continue
+                try:
+                    stat = item.stat()
+                    files.append((item, stat.st_mtime, stat.st_size))
+                except Exception:
+                    continue
+            if not files:
+                return ""
+            files.sort(key=lambda x: x[1], reverse=True)
+            lines = ["- **最近上传的文件**："]
+            for item, mtime, size in files[:max_items]:
+                try:
+                    rel_path = item.relative_to(project_path)
+                    rel_path_str = str(rel_path).replace("\\", "/")
+                except Exception:
+                    rel_path_str = str(item.name)
+                try:
+                    dt = datetime.fromtimestamp(mtime)
+                    time_str = dt.strftime("%Y-%m-%d %H:%M")
+                except Exception:
+                    time_str = ""
+                size_str = ""
+                if size >= 1024 * 1024:
+                    size_str = f"{size / 1024 / 1024:.1f} MB"
+                elif size >= 1024:
+                    size_str = f"{size / 1024:.1f} KB"
+                else:
+                    size_str = f"{size} B"
+                meta = f"{size_str}, {time_str}".strip(", ")
+                lines.append(f"  - `{rel_path_str}` ({meta})")
+            return "\n\n" + "\n".join(lines)
+        except Exception:
+            return ""
+
     def add_conversation(
         self,
         role: str,
@@ -265,6 +312,7 @@ class MessageMixin:
                 "- **资源限制**：{resource_limit}\n"
                 "- **当前时间**：{current_time}\n"
                 "- **项目结构**：\n\n{file_tree}\n\n"
+                "{recent_uploads}"
                 "- **长期记忆**：{memory}"
             )
 
@@ -288,6 +336,8 @@ class MessageMixin:
             or self.project_path.name
         )
 
+        recent_uploads = self._build_recent_uploads_block()
+
         content = template.format(
             project_name=project_name,
             runtime_environment=runtime_environment,
@@ -302,6 +352,7 @@ class MessageMixin:
                 if context["project_info"].get("file_tree")
                 else ""
             ),
+            recent_uploads=recent_uploads,
         )
 
         return content
diff --git a/utils/context_manager/project_mixin.py b/utils/context_manager/project_mixin.py
index 3798d31..3325f1d 100644
--- a/utils/context_manager/project_mixin.py
+++ b/utils/context_manager/project_mixin.py
@@ -335,7 +335,7 @@ class ProjectMixin:
                 root_label = f"{container_root} (项目根)"
             else:
                 root_label = f"{container_root} (映射自 {project_name})"
-        lines.append(f"📁 {root_label}/")
+        lines.append(f"{root_label}/")
         
         ROOT_FOLDER_CHILD_LIMIT = 20
 
@@ -380,7 +380,7 @@ class ProjectMixin:
                 
                 if info["type"] == "folder":
                     # 文件夹
-                    lines.append(f"{prefix}{current_connector}📁 {name}/")
+                    lines.append(f"{prefix}{current_connector}{name}/")
                     
                     # 递归处理子项目
                     children = info.get("children") or {}
@@ -396,11 +396,10 @@ class ProjectMixin:
                         build_tree_recursive(children, next_prefix, depth + 1)
                 else:
                     # 文件
-                    icon = self._get_file_icon(name)
                     size_info = self._format_file_size(info['size'])
                     
                     # 构建文件行
-                    file_line = f"{prefix}{current_connector}{icon} {name}"
+                    file_line = f"{prefix}{current_connector}{name}"
                     
                     # 添加大小信息（简化版）
                     if info['size'] > 1024:  # 只显示大于1KB的文件大小
@@ -417,7 +416,7 @@ class ProjectMixin:
         
         # 添加统计信息
         lines.append("")
-        lines.append(f"📊 统计: {structure['total_files']} 个文件, {structure['total_size']/1024/1024:.2f}MB")
+        lines.append(f"统计: {structure['total_files']} 个文件, {structure['total_size']/1024/1024:.2f}MB")
         
         return "\n".join(lines)
 
@@ -431,68 +430,5 @@ class ProjectMixin:
             return f"({size_bytes/1024/1024:.1f}MB)"
 
     def _get_file_icon(self, filename: str) -> str:
-        """根据文件类型返回合适的图标"""
-        ext = filename.split('.')[-1].lower() if '.' in filename else ''
-        
-        icon_map = {
-            'py': '🐍',      # Python
-            'js': '📜',      # JavaScript
-            'ts': '📘',      # TypeScript
-            'jsx': '⚛️',     # React JSX
-            'tsx': '⚛️',     # React TSX
-            'java': '☕',    # Java
-            'cpp': '⚙️',     # C++
-            'c': '⚙️',       # C
-            'h': '📎',       # Header files
-            'cs': '💷',      # C#
-            'go': '🐹',      # Go
-            'rs': '🦀',      # Rust
-            'rb': '💎',      # Ruby
-            'php': '🐘',     # PHP
-            'swift': '🦉',   # Swift
-            'kt': '🟣',      # Kotlin
-            'md': '📝',      # Markdown
-            'txt': '📄',     # Text
-            'json': '📊',    # JSON
-            'yaml': '📋',    # YAML
-            'yml': '📋',     # YAML
-            'toml': '📋',    # TOML
-            'xml': '📰',     # XML
-            'html': '🌐',    # HTML
-            'css': '🎨',     # CSS
-            'scss': '🎨',    # SCSS
-            'less': '🎨',    # LESS
-            'sql': '🗃️',     # SQL
-            'db': '🗄️',      # Database
-            'sh': '💻',      # Shell script
-            'bash': '💻',    # Bash script
-            'bat': '💻',     # Batch file
-            'ps1': '💻',     # PowerShell
-            'env': '🔧',     # Environment
-            'gitignore': '🚫', # Gitignore
-            'dockerfile': '🐳', # Docker
-            'png': '🖼️',     # Image
-            'jpg': '🖼️',     # Image
-            'jpeg': '🖼️',    # Image
-            'gif': '🖼️',     # Image
-            'svg': '🖼️',     # Image
-            'ico': '🖼️',     # Icon
-            'mp4': '🎬',     # Video
-            'mp3': '🎵',     # Audio
-            'wav': '🎵',     # Audio
-            'pdf': '📕',     # PDF
-            'doc': '📘',     # Word
-            'docx': '📘',    # Word
-            'xls': '📗',     # Excel
-            'xlsx': '📗',    # Excel
-            'ppt': '📙',     # PowerPoint
-            'pptx': '📙',    # PowerPoint
-            'zip': '📦',     # Archive
-            'rar': '📦',     # Archive
-            'tar': '📦',     # Archive
-            'gz': '📦',      # Archive
-            'log': '📋',     # Log file
-            'lock': '🔒',    # Lock file
-        }
-        
-        return icon_map.get(ext, '📄')  # 默认文件图标
+        """根据文件类型返回合适的图标（当前已禁用 emoji，返回空字符串）。"""
+        return ""