diff --git a/web/src/components/Chat/MessageBubble.tsx b/web/src/components/Chat/MessageBubble.tsx
index eb64e60..3d289da 100644
--- a/web/src/components/Chat/MessageBubble.tsx
+++ b/web/src/components/Chat/MessageBubble.tsx
@@ -500,7 +500,9 @@ export const MessageBubble = memo(function MessageBubble({
                 }`}
               />
               <span className="text-sm font-medium text-[var(--text-secondary)] truncate">
-                {isTaskTool ? taskDescription || '子智能体任务' : message.toolName || 'Tool'}
+                {isTaskTool
+                  ? `${message.toolName || 'Tool'}${taskDescription ? ` · ${taskDescription}` : ''}`
+                  : message.toolName || 'Tool'}
               </span>
               <span
                 className={`flex-shrink-0 transition-all duration-300 ${
@@ -717,15 +719,6 @@ export const MessageBubble = memo(function MessageBubble({
               </div>
             )}
         </div>
-        <div className="mt-1 flex items-center gap-2 px-1">
-          <span className="text-xs text-[var(--text-muted)]">{message.toolName || 'Tool'}</span>
-          {isTaskTool && (
-            <span className="rounded bg-[var(--accent-purple)]/10 px-1.5 py-0.5 text-xs text-[var(--accent-purple)]">
-              子智能体·{subagentType}
-            </span>
-          )}
-          <span className="text-xs text-[var(--text-muted)]">{formatTime(message.timestamp)}</span>
-        </div>
         {lightboxElement}
         {showDetailModal && (
           <ToolDetailModal