diff --git a/renderer/src/api/message-bridge.ts b/renderer/src/api/message-bridge.ts
index c561845..7b10ce1 100644
--- a/renderer/src/api/message-bridge.ts
+++ b/renderer/src/api/message-bridge.ts
@@ -221,9 +221,13 @@ export class MessageBridge {
 // 单例实例
 let messageBridge: MessageBridge;
 
+export function createMessageBridge(setupSignature: any) {
+	messageBridge = new MessageBridge(setupSignature);
+}
+
 // 向外暴露一个独立函数，保证 MessageBridge 是单例的
 export function useMessageBridge() {
-	if (!messageBridge) {
+	if (!messageBridge && getPlatform() !== 'nodejs') {
 		messageBridge = new MessageBridge('ws://localhost:8080');
 	}
 	const bridge = messageBridge;
diff --git a/renderer/src/components/main-panel/chat/core/handle-tool-calls.ts b/renderer/src/components/main-panel/chat/core/handle-tool-calls.ts
index b185055..2682d45 100644
--- a/renderer/src/components/main-panel/chat/core/handle-tool-calls.ts
+++ b/renderer/src/components/main-panel/chat/core/handle-tool-calls.ts
@@ -1,8 +1,13 @@
-import { ToolCallResponse } from "@/hook/type";
+import { ToolCallContent, ToolCallResponse } from "@/hook/type";
 import { callTool } from "../../tool/tools";
 import { MessageState, ToolCall } from "../chat-box/chat";
 
-export async function handleToolCalls(toolCall: ToolCall) {
+export interface ToolCallResult {
+    state: MessageState;
+    content: ToolCallContent[];
+}
+
+export async function handleToolCalls(toolCall: ToolCall): Promise<ToolCallResult> {
     // 反序列化 streaming 来的参数字符串
     const toolName = toolCall.function.name;
     const argsResult = deserializeToolCallResponse(toolCall.function.arguments);
diff --git a/renderer/src/components/main-panel/chat/core/task-loop.ts b/renderer/src/components/main-panel/chat/core/task-loop.ts
index 082d556..137ddfe 100644
--- a/renderer/src/components/main-panel/chat/core/task-loop.ts
+++ b/renderer/src/components/main-panel/chat/core/task-loop.ts
@@ -1,12 +1,12 @@
 /* eslint-disable */
 import { ref, type Ref } from "vue";
 import { ToolCall, ChatStorage, getToolSchema, MessageState } from "../chat-box/chat";
-import { useMessageBridge, MessageBridge } from "@/api/message-bridge";
+import { useMessageBridge, MessageBridge, createMessageBridge } from "@/api/message-bridge";
 import type { OpenAI } from 'openai';
 import { llmManager, llms } from "@/views/setting/llm";
 import { pinkLog, redLog } from "@/views/setting/util";
 import { ElMessage } from "element-plus";
-import { handleToolCalls } from "./handle-tool-calls";
+import { handleToolCalls, ToolCallResult } from "./handle-tool-calls";
 import { getPlatform } from "@/api/platform";
 
 export type ChatCompletionChunk = OpenAI.Chat.Completions.ChatCompletionChunk;
@@ -39,6 +39,7 @@ export class TaskLoop {
     private onError: (error: IErrorMssage) => void = (msg) => {};
     private onChunk: (chunk: ChatCompletionChunk) => void = (chunk) => {};
     private onDone: () => void = () => {};
+    private onToolCalled: (toolCallResult: ToolCallResult) => void = (toolCall) => {};
     private onEpoch: () => void = () => {};
     private completionUsage: ChatCompletionChunk['usage'] | undefined;
     private llmConfig: any;
@@ -52,17 +53,17 @@ export class TaskLoop {
         // 根据当前环境决定是否要开启 messageBridge
         const platform = getPlatform();
         if (platform === 'nodejs') {
-
             const adapter = taskOptions.adapter;
 
             if (!adapter) {
                 throw new Error('adapter is required');
             }
 
-            this.bridge = new MessageBridge(adapter.emitter);
-        } else {
-            this.bridge = useMessageBridge();
-        }     
+            createMessageBridge(adapter.emitter);
+        }
+
+        // web 环境下 bridge 会自动加载完成
+        this.bridge = useMessageBridge();
     }
 
     private handleChunkDeltaContent(chunk: ChatCompletionChunk) {
@@ -235,6 +236,10 @@ export class TaskLoop {
         this.onEpoch = handler;
     }
 
+    public registerOnToolCalled(handler: (toolCallResult: ToolCallResult) => void) {
+        this.onToolCalled = handler;
+    }
+
     public setMaxEpochs(maxEpochs: number) {
         this.taskOptions.maxEpochs = maxEpochs;
     }
@@ -331,6 +336,7 @@ export class TaskLoop {
 
                 for (const toolCall of this.streamingToolCalls.value || []) {
                     const toolCallResult = await handleToolCalls(toolCall);
+                    this.onToolCalled(toolCallResult);
     
                     if (toolCallResult.state === MessageState.ParseJsonError) {
                         // 如果是因为解析 JSON 错误，则重新开始
diff --git a/renderer/src/components/main-panel/tool/tools.ts b/renderer/src/components/main-panel/tool/tools.ts
index 02ec19a..5bd4570 100644
--- a/renderer/src/components/main-panel/tool/tools.ts
+++ b/renderer/src/components/main-panel/tool/tools.ts
@@ -16,9 +16,9 @@ export interface ToolStorage {
     formData: Record<string, any>;
 }
 
-const bridge = useMessageBridge();
 
 export function callTool(toolName: string, toolArgs: Record<string, any>) {
+    const bridge = useMessageBridge();
     return new Promise<ToolCallResponse>((resolve, reject) => {
         bridge.addCommandListener('tools/call', (data: CasualRestAPI<ToolCallResponse>) => {
             console.log(data.msg);
diff --git a/resources/openmcp-sdk-release/task-loop.d.ts b/resources/openmcp-sdk-release/task-loop.d.ts
index be03b38..befd21e 100644
--- a/resources/openmcp-sdk-release/task-loop.d.ts
+++ b/resources/openmcp-sdk-release/task-loop.d.ts
@@ -24,6 +24,17 @@ export interface ToolCall {
     }
 }
 
+export interface ToolCallContent {
+    type: string;
+    text: string;
+	[key: string]: any;
+}
+
+export interface ToolCallResult {
+    state: MessageState;
+    content: ToolCallContent[];
+}
+
 export enum MessageState {
     ServerError = 'server internal error',
     ReceiveChunkError = 'receive chunk error',
@@ -58,6 +69,7 @@ export class TaskLoop {
     private onError;
     private onChunk;
     private onDone;
+    private onToolCalled;
     private onEpoch;
     private completionUsage;
     private llmConfig;
@@ -72,6 +84,7 @@ export class TaskLoop {
     registerOnChunk(handler: (chunk: ChatCompletionChunk) => void): void;
     registerOnDone(handler: () => void): void;
     registerOnEpoch(handler: () => void): void;
+    registerOnToolCalled(handler: (toolCallResult: ToolCallResult) => void): void;
     setMaxEpochs(maxEpochs: number): void;
     /**
      * @description 设置当前的 LLM 配置，用于 nodejs 环境运行