diff --git a/src/services/dialogService.ts b/src/services/dialogService.ts
index 3eb3bed..c1019f0 100644
--- a/src/services/dialogService.ts
+++ b/src/services/dialogService.ts
@@ -41,6 +41,7 @@ export interface MessageSegment {
   toolName?: string;
   toolStatus?: "running" | "success" | "error";
   toolResult?: string;
+  toolDescription?: string;
   askId?: string;
   question?: string;
   options?: string[];
@@ -180,7 +181,8 @@ export class DialogSession {
   private updateToolSegment(
     toolName: string,
     status: "success" | "error",
-    result?: string
+    result?: string,
+    description?: string
   ): void {
     // 找到最后一个匹配的工具段落
     for (let i = this.segments.length - 1; i >= 0; i--) {
@@ -192,6 +194,9 @@ export class DialogSession {
       ) {
         seg.toolStatus = status;
         seg.toolResult = result;
+        if (description !== undefined) {
+          seg.toolDescription = description;
+        }
         break;
       }
     }
@@ -590,7 +595,7 @@ export class DialogSession {
       },
 
       onToolComplete: (data) => {
-        this.updateToolSegment(data.tool_name, "success", data.result);
+        this.updateToolSegment(data.tool_name, "success", data.result, data.description);
         callbacks.onToolComplete?.(data.tool_name, data.result);
         // 实时发送段落更新
         callbacks.onSegmentUpdate?.(this.segments);
diff --git a/src/types/api.ts b/src/types/api.ts
index d2ea3e5..2ad72f1 100644
--- a/src/types/api.ts
+++ b/src/types/api.ts
@@ -96,6 +96,7 @@ export interface ToolStartEvent {
 export interface ToolCompleteEvent {
   tool_name: string;
   result: string;
+  description?: string;
 }
 
 /** tool_error 事件数据 */
diff --git a/src/views/messageArea.ts b/src/views/messageArea.ts
index 205dd57..103aa58 100644
--- a/src/views/messageArea.ts
+++ b/src/views/messageArea.ts
@@ -543,6 +543,12 @@ export function getMessageAreaStyles(): string {
       .tool-segment-content.collapsed {
         max-height: 0;
       }
+      .tool-segment-description {
+        margin: 2px 0 0 0px;
+        font-size: 12px;
+        color: #fff;
+        line-height: 1.4;
+      }
       /* 低调显示的工具调用样式 */
       .segment-tool.low-profile .tool-segment-header {
         opacity: 0.65;
@@ -1067,6 +1073,7 @@ export function getMessageAreaScript(): string {
             const toolResult = segment.toolResult || '';
             const toolCount = segment.toolCount || 1;
             const countSuffix = toolCount > 1 ? \` x\${toolCount}\` : '';
+            const toolDescription = segment.toolDescription || '';
 
             // 检查工具结果是否过长(超过一行显示不下)
             const shouldCollapse = toolResult && toolResult.length > 60;
@@ -1084,6 +1091,7 @@ export function getMessageAreaScript(): string {
                 \${toolResult && !shouldCollapse ? \`<span class="tool-segment-result">\${toolResult}</span>\` : ''}
               </div>
               \${shouldCollapse ? \`<div class="tool-segment-content\${isCollapsed ? ' collapsed' : ''}" style="max-height:\${isCollapsed ? '0' : 'none'}"><span class="tool-segment-result" style="display:block;white-space:pre-wrap;max-width:100%;margin-top:8px;margin-left:18px;">\${toolResult}</span></div>\` : ''}
+              \${toolDescription ? \`<p class="tool-segment-description">\${toolDescription}</p>\` : ''}
             \`;
 
             // 如果是仿真工具且成功完成，尝试添加波形预览
@@ -1331,6 +1339,7 @@ export function getMessageAreaScript(): string {
             const toolResult = segment.toolResult || '';
             const toolCount = segment.toolCount || 1;
             const countSuffix = toolCount > 1 ? \` x\${toolCount}\` : '';
+            const toolDescription = segment.toolDescription || '';
 
             // 检查工具结果是否过长(超过一行显示不下)
             const shouldCollapse = toolResult && toolResult.length > 60;
@@ -1342,6 +1351,7 @@ export function getMessageAreaScript(): string {
                 \${toolResult && !shouldCollapse ? \`<span class="tool-segment-result">\${toolResult}</span>\` : ''}
               </div>
               \${shouldCollapse ? \`<div class="tool-segment-content collapsed"><span class="tool-segment-result" style="display:block;white-space:pre-wrap;max-width:100%;margin-top:8px;margin-left:18px;">\${toolResult}</span></div>\` : ''}
+              \${toolDescription ? \`<p class="tool-segment-description">\${toolDescription}</p>\` : ''}
             \`;
 
             // 如果是仿真工具且成功完成，尝试添加波形预览