diff --git a/agent/application/pages/conversation.py b/agent/application/pages/conversation.py
index e87a1c8..09a390e 100644
--- a/agent/application/pages/conversation.py
+++ b/agent/application/pages/conversation.py
@@ -396,7 +396,7 @@ def thinking(item: MessageHistoryItem) -> rx.Component:
             rx.box(
                 rx.cond(
                     item.is_shown,
-                    rx.text(
+                    rx.markdown(
                         item.content,
                         width="100%",
                         margin="4px 0",
@@ -418,6 +418,43 @@ def thinking(item: MessageHistoryItem) -> rx.Component:
     )
 
 
+def tool_call(item: MessageHistoryItem) -> rx.Component:
+    """
+    工具调用
+    :return: Component
+    """
+    return rx.vstack(
+        # 工具调用的标题栏
+        rx.hstack(
+            rx.icon(
+                "square-function",
+                width="14px",
+                height="14px",
+                color="var(--prismui-color-3)",
+            ),
+            rx.text(
+                item.title,
+                font_size="var(--prismui-font-size-1)",
+                color="var(--prismui-color-3)",
+                class_name=rx.cond(item.is_running, "is_running", None),
+            ),
+            align_items="center",
+            gap="4px",
+            margin_bottom="8px",
+            line_height="22px",
+        ),
+        # 工具调用的内容
+        rx.markdown(
+            item.content,
+            width="100%",
+            margin="4px 0",
+            line_height="1.6",
+            font_size="var(--prismui-font-size-1)",
+            color="var(--prismui-color-3)",
+        ),
+    )
+
+
 def output(item: MessageHistoryItem) -> rx.Component:
     """
     输出
@@ -432,7 +469,6 @@ def output(item: MessageHistoryItem) -> rx.Component:
                 line_height="1.75",
                 word_wrap="break-word",
                 word_break="break-all",
-                white_space="pre-line",
             ),
             "strong": lambda text: rx.text(
                 text,
@@ -454,7 +490,6 @@ def output(item: MessageHistoryItem) -> rx.Component:
                 font_weight="var(--prismui-font-weight-3)",
                 word_wrap="break-word",
                 word_break="break-all",
-                white_space="pre-line",
             ),
             "h2": lambda text: rx.text(
                 text,
@@ -464,7 +499,6 @@ def output(item: MessageHistoryItem) -> rx.Component:
                 font_weight="var(--prismui-font-weight-3)",
                 word_wrap="break-word",
                 word_break="break-all",
-                white_space="pre-line",
             ),
             "h3": lambda text: rx.text(
                 text,
@@ -473,7 +507,6 @@ def output(item: MessageHistoryItem) -> rx.Component:
                 font_weight="var(--prismui-font-weight-3)",
                 word_wrap="break-word",
                 word_break="break-all",
-                white_space="pre-line",
             ),
             "ul": lambda children: rx.vstack(
                 children,
@@ -500,7 +533,6 @@ def output(item: MessageHistoryItem) -> rx.Component:
                     line_height="1.75",
                     word_wrap="break-word",
                     word_break="break-all",
-                    white_space="pre-line",
                 ),
                 align_items="center",
                 justify_content="flex-start",
@@ -535,6 +567,7 @@ def output(item: MessageHistoryItem) -> rx.Component:
             ),
         },
         width="100%",
+        margin_bottom="8px",
     )
 
 
@@ -550,6 +583,7 @@ def message_history_item(item: MessageHistoryItem) -> rx.Component:
             item.type,
             (MessageType.USER_PROMPT, user_prompt(item)),
             (MessageType.THINKING, thinking(item)),
+            (MessageType.TOOL_CALL, tool_call(item)),
             (MessageType.OUTPUT, output(item)),
         ),
         padding="0 16px",
diff --git a/agent/application/states/conversation.py b/agent/application/states/conversation.py
index 897da2b..f888cd4 100644
--- a/agent/application/states/conversation.py
+++ b/agent/application/states/conversation.py
@@ -320,7 +320,7 @@ class ConversationState(rx.State):
 
                     # 运行并流式输出事件
                     stream_events = run_stream_events(
-                        deps=dict(conversation.workflow.deps),
+                        deps=conversation.workflow.deps,
                         user_prompt=user_prompt,
                         message_history=await db_state.get_message_history(
                             conversation_id=self.actived_conversation_id
@@ -348,6 +348,7 @@ class ConversationState(rx.State):
             # 若等待流式输出则将等待流式输出设置为否
             if conversation.awaiting_stream:
                 conversation.awaiting_stream = False
+            print(event)
             match event:
                 # ========== 开始事件 ==========
                 case PartStartEvent(
@@ -452,6 +453,8 @@ class ConversationState(rx.State):
                             message = conversation.messages[
                                 tool_name_map_to_message_id[tool_name]
                             ]
+                            message.is_running = False
+                            yield  # 通知前端更新渲染
                             message.title = f"{tool_name}已完成"
                             message.content = cast(
                                 str, content
@@ -516,7 +519,7 @@ class ConversationState(rx.State):
                 workflow = Workflow(type=type, deps=deps)
                 # 设置用户提示词
                 self.set_user_prompt(
-                    f"帮我查询并预定在 {deps.date.strftime('%Y-%m-%d')} 从 {deps.origin_airport_code} 到 {deps.destination_airport_code} 的航班"
+                    f"帮我查询并预定在 {workflow.deps.date.strftime('%Y-%m-%d')} 从 {workflow.deps.origin_airport_code} 到 {workflow.deps.destination_airport_code} 的航班"
                 )
 
         conversation.workflow = workflow
diff --git a/agent/application/states/database.py b/agent/application/states/database.py
index 44baf05..c6bbf14 100644
--- a/agent/application/states/database.py
+++ b/agent/application/states/database.py
@@ -299,8 +299,8 @@ class DatabaseState(rx.State):
                 )  # 将 RunUsage 序列化为 JSON 字符串
             if isinstance(workflow, Workflow):
                 record.workflow = workflow_dump_json(
-                    Workflow(**asdict(workflow))
-                )  # 将 Workflow 序列化为 JSON 字符串
+                    Workflow(**workflow.model_dump(mode="json"))
+                )  # 将 Workflow 序列化为 JSON 字符串（因 workflow 基于 pydantic 建模，故使用 model_dump 方法转为字典）
             await session.commit()
 
     async def create_message_record(
diff --git a/agent/application/workshop/book_flight.py b/agent/application/workshop/book_flight.py
index 85a2a9c..4cfa70a 100644
--- a/agent/application/workshop/book_flight.py
+++ b/agent/application/workshop/book_flight.py
@@ -202,7 +202,7 @@ async def search_flights(ctx: RunContext[Deps]) -> list[Flight]:
     return searched_flights
 
 
-@agent.tool(name="预定航班", requires_approval=True)
+@agent.tool(name="预定航班")
 async def book_flight(ctx: RunContext[Deps]) -> Flight | NoResult:
     """
     预定航班
@@ -211,7 +211,7 @@ async def book_flight(ctx: RunContext[Deps]) -> Flight | NoResult:
         raise ModelRetry("必须先使用 search_flights 查询航班")
 
     if not ctx.tool_call_approved:
-        raise ApprovalRequired()
+        raise ApprovalRequired(metadata={"content": "您要预定哪班航班？"})
 
     # 提取到的航班号
     extracted_flight_number = (
@@ -286,10 +286,6 @@ async def run_stream_events(
     """
     运行并流式输出事件
     """
-    # 构建智能体运行事件
-    yield AgentRunEvent(
-        content=f"正在预定 {deps.date.strftime('%Y-%m-%d')} 从 {deps.origin_airport_code} 到 {deps.destination_airport_code} 的航班"
-    )
     tool_names = set()
     async with agent.run_stream_events(
         user_prompt=user_prompt,
@@ -322,9 +318,9 @@ async def run_stream_events(
                                 case "查询航班":
                                     # 查询到的航班
                                     searched_flights = cast(list[Flight], content)
-                                    event.part.content = f"已查询到 **{len(searched_flights)} 班航班**：\n"
+                                    event.part.content = f"已查询到 **{len(searched_flights)}** 班航班：\n\n"
                                     for searched_flight in searched_flights:
-                                        event.part.content += f"{searched_flight.number} {searched_flight.airfare} 于 {searched_flight.date.strftime('%Y-%m-%d')} 从 {searched_flight.origin_airport_code} 到 {searched_flight.destination_airport_code}\n"
+                                        event.part.content += f"{searched_flight.number} {searched_flight.airfare}$ 于 {searched_flight.date.strftime('%Y-%m-%d')} 从 {searched_flight.origin_airport_code} 到 {searched_flight.destination_airport_code}\n\n"
                                     yield event
 
                                 case "预定航班":
@@ -334,7 +330,7 @@ async def run_stream_events(
                                         )
 
                                     if isinstance(content, Flight):
-                                        event.part.content = f"已预定航班：\n{content.number} {content.airfare} 于 {content.date.strftime('%Y-%m-%d')} 从 {content.origin_airport_code} 到 {content.destination_airport_code}\n"
+                                        event.part.content = f"已预定航班：\n{content.number} {content.airfare}$ 于 {content.date.strftime('%Y-%m-%d')} 从 {content.origin_airport_code} 到 {content.destination_airport_code}\n"
                                     yield event
 
                 case AgentRunResultEvent(
diff --git a/agent/assets/styles.css b/agent/assets/styles.css
index 015f25f..54e044a 100644
--- a/agent/assets/styles.css
+++ b/agent/assets/styles.css
@@ -84,4 +84,25 @@ pre, pre code {
         box-shadow: 12px 0 var(--prismui-color-9), -12px 0 var(--prismui-color-5);
         background: var(--prismui-color-5);
     }
+}
+
+.is_running {
+    /* 使用主题变量：普通文字色 --prismui-color-3，高光使用主题蓝色 --prismui-color-5 */
+    background: linear-gradient(
+        90deg,
+        var(--prismui-color-3) 0%,
+        var(--prismui-color-3) 35%,
+        var(--prismui-color-7) 50%,
+        var(--prismui-color-3) 65%,
+        var(--prismui-color-3) 100%
+    );
+    background-size: 200% 100%;
+    background-clip: text;
+    -webkit-background-clip: text;
+    color: transparent !important;
+    animation: shimmer 2.7s infinite linear;
+}
+@keyframes shimmer {
+    0% { background-position: 200% 0; }
+    100% { background-position: -200% 0; }
 }
\ No newline at end of file
diff --git a/agent/database.db b/agent/database.db
index 5f320ec..63c6843 100644
Binary files a/agent/database.db and b/agent/database.db differ