diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d016fb..183abd8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Change Log
 
+
+## [main] 0.0.8
+- 大模型 API 测试时更加完整的报错
+- 修复 0.0.7 引入的bug：修改对话无法发出
+- 修复 bug：富文本编辑器粘贴文本会带样式
+- 修复 bug：富文本编辑器发送前缀为空的字符会全部为空
+- 修复 bug：流式传输进行 function calling 时，多工具的索引串流导致的 JSON Schema 反序列化失败
+- 修复 bug：大模型返回大量重复错误信息
+
 ## [main] 0.0.7
 - 优化页面布局，使得调试窗口可以显示更多内容
 - 扩大默认的上下文长度 10 -> 20
diff --git a/package.json b/package.json
index a869533..0b1f844 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "openmcp",
     "displayName": "OpenMCP",
     "description": "An all in one MCP Client/TestTool",
-    "version": "0.0.7",
+    "version": "0.0.8",
     "publisher": "kirigaya",
     "author": {
         "name": "kirigaya",
diff --git a/renderer/public/iconfont.css b/renderer/public/iconfont.css
index 5c04cb3..feacc0c 100644
--- a/renderer/public/iconfont.css
+++ b/renderer/public/iconfont.css
@@ -1,8 +1,8 @@
 @font-face {
   font-family: "iconfont"; /* Project id 4870215 */
-  src: url('iconfont.woff2?t=1746529081655') format('woff2'),
-       url('iconfont.woff?t=1746529081655') format('woff'),
-       url('iconfont.ttf?t=1746529081655') format('truetype');
+  src: url('iconfont.woff2?t=1746703816245') format('woff2'),
+       url('iconfont.woff?t=1746703816245') format('woff'),
+       url('iconfont.ttf?t=1746703816245') format('truetype');
 }
 
 .iconfont {
@@ -13,6 +13,10 @@
   -moz-osx-font-smoothing: grayscale;
 }
 
+.icon-waiting:before {
+  content: "\e6d0";
+}
+
 .icon-timeout:before {
   content: "\edf5";
 }
diff --git a/renderer/public/iconfont.woff2 b/renderer/public/iconfont.woff2
index 1ba9948..45332ae 100644
Binary files a/renderer/public/iconfont.woff2 and b/renderer/public/iconfont.woff2 differ
diff --git a/renderer/src/components/main-panel/chat/chat-box/index.vue b/renderer/src/components/main-panel/chat/chat-box/index.vue
index 64c7313..ce4c1af 100644
--- a/renderer/src/components/main-panel/chat/chat-box/index.vue
+++ b/renderer/src/components/main-panel/chat/chat-box/index.vue
@@ -61,6 +61,9 @@ const streamingContent = inject('streamingContent') as Ref<string>;
 const streamingToolCalls = inject('streamingToolCalls') as Ref<ToolCall[]>;
 const scrollToBottom = inject('scrollToBottom') as () => Promise<void>;
 const updateScrollHeight = inject('updateScrollHeight') as () => void;
+const chatContext = inject('chatContext') as any;
+
+chatContext.handleSend = handleSend;
 
 function handleSend(newMessage?: string) {    
     // 将富文本信息转换成纯文本信息
@@ -77,11 +80,7 @@ function handleSend(newMessage?: string) {
 
     loop.registerOnError((error) => {
 
-        ElMessage({
-            message: error.msg,
-            type: 'error',
-            duration: 3000
-        });
+        ElMessage.error(error.msg);
         
         if (error.state === MessageState.ReceiveChunkError) {
             tabStorage.messages.push({
@@ -125,8 +124,6 @@ function handleAbort() {
     }
 }
 
-provide('handleSend', handleSend);
-
 
 onMounted(() => {
     updateScrollHeight();
diff --git a/renderer/src/components/main-panel/chat/chat-box/rich-textarea.vue b/renderer/src/components/main-panel/chat/chat-box/rich-textarea.vue
index b0913cb..c689b58 100644
--- a/renderer/src/components/main-panel/chat/chat-box/rich-textarea.vue
+++ b/renderer/src/components/main-panel/chat/chat-box/rich-textarea.vue
@@ -10,6 +10,7 @@
             class="rich-editor"
             :placeholder="placeholder"
             @input="handleInput"
+            @paste="handlePaste"
             @keydown.backspace="handleBackspace"
             @keydown.enter="handleKeydown"
             @compositionstart="handleCompositionStart"
@@ -171,6 +172,32 @@ function handleKeydown(event: KeyboardEvent) {
     }
 }
 
+function handlePaste(event: ClipboardEvent) {
+    event.preventDefault(); // 阻止默认粘贴行为
+    const clipboardData = event.clipboardData;
+    if (clipboardData) {
+        const pastedText = clipboardData.getData('text/plain');
+        const editorElement = editor.value;
+        if (editorElement instanceof HTMLDivElement) {
+            const selection = window.getSelection();
+            if (selection && selection.rangeCount > 0) {
+                const range = selection.getRangeAt(0);
+                range.deleteContents();
+                const textNode = document.createTextNode(pastedText);
+                range.insertNode(textNode);
+                range.setStartAfter(textNode);
+                range.collapse(true);
+                selection.removeAllRanges();
+                selection.addRange(range);
+            }
+        }
+    }
+
+    if (editor.value) {
+        editor.value.dispatchEvent(new Event('input'));
+    }
+}
+
 function handleCompositionStart() {
     isComposing.value = true;
 }
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 87bb65b..0d4138c 100644
--- a/renderer/src/components/main-panel/chat/core/task-loop.ts
+++ b/renderer/src/components/main-panel/chat/core/task-loop.ts
@@ -12,6 +12,7 @@ export type ChatCompletionChunk = OpenAI.Chat.Completions.ChatCompletionChunk;
 export type ChatCompletionCreateParamsBase = OpenAI.Chat.Completions.ChatCompletionCreateParams & { id?: string };
 interface TaskLoopOptions {
     maxEpochs: number;
+    maxJsonParseRetry: number;
 }
 
 interface IErrorMssage {
@@ -19,6 +20,10 @@ interface IErrorMssage {
     msg: string
 }
 
+interface IDoConversationResult {
+    stop: boolean;
+}
+
 /**
  * @description 对任务循环进行的抽象封装
  */
@@ -34,15 +39,19 @@ export class TaskLoop {
         private onChunk: (chunk: ChatCompletionChunk) => void = (chunk) => {},
         private onDone: () => void = () => {},
         private onEpoch: () => void = () => {},
-        private readonly taskOptions: TaskLoopOptions = { maxEpochs: 20 },
+        private readonly taskOptions: TaskLoopOptions = { maxEpochs: 20, maxJsonParseRetry: 3 },
     ) {
 
     }
 
     private async handleToolCalls(toolCalls: ToolCall[]) {
         // TODO: 调用多个工具并返回调用结果？
+        
         const toolCall = toolCalls[0];
 
+        console.log('debug toolcall');
+        console.log(toolCalls);
+
         let toolName: string;
         let toolArgs: Record<string, any>;
 
@@ -131,15 +140,15 @@ export class TaskLoop {
 
             if (currentCall === undefined) {
                 // 新的工具调用开始
-                this.streamingToolCalls.value = [{
+                this.streamingToolCalls.value[toolCall.index] = {
                     id: toolCall.id,
-                    index: 0,
+                    index: toolCall.index,
                     type: 'function',
                     function: {
                         name: toolCall.function?.name || '',
                         arguments: toolCall.function?.arguments || ''
                     }
-                }];
+                };
             } else {
                 // 累积现有工具调用的信息
                 if (currentCall) {
@@ -150,7 +159,7 @@ export class TaskLoop {
                         currentCall.function.name = toolCall.function.name;
                     }
                     if (toolCall.function?.arguments) {
-                        currentCall.function.arguments += toolCall.function.arguments;
+                        currentCall.function.arguments += toolCall.function.arguments;                        
                     }
                 }
             }
@@ -167,16 +176,9 @@ export class TaskLoop {
 
     private doConversation(chatData: ChatCompletionCreateParamsBase) {
 
-        return new Promise<void>((resolve, reject) => {
+        return new Promise<IDoConversationResult>((resolve, reject) => {
             const chunkHandler = this.bridge.addCommandListener('llm/chat/completions/chunk', data => {
-                if (data.code !== 200) {
-                    this.onError({
-                        state: MessageState.ReceiveChunkError,
-                        msg: data.msg || '请求模型服务时发生错误'
-                    });
-                    resolve();
-                    return;
-                }
+                // data.code 一定为 200，否则不会走这个 route
                 const { chunk } = data.msg as { chunk: ChatCompletionChunk };
 
                 // 处理增量的 content 和 tool_calls
@@ -187,11 +189,34 @@ export class TaskLoop {
                 this.onChunk(chunk);
             }, { once: false });
         
-            this.bridge.addCommandListener('llm/chat/completions/done', data => {                
+            const doneHandler = this.bridge.addCommandListener('llm/chat/completions/done', data => {                
                 this.onDone();
                 chunkHandler();
+                errorHandler();
+
+                resolve({
+                    stop: false
+                });
+            }, { once: true });
+
+            console.log('register error handler');
+
+            const errorHandler = this.bridge.addCommandListener('llm/chat/completions/error', data => {
+                
+                console.log('enter error report');
+
+                this.onError({
+                    state: MessageState.ReceiveChunkError,
+                    msg: data.msg || '请求模型服务时发生错误'
+                });
+
+                chunkHandler();
+                doneHandler();
+
+                resolve({
+                    stop: true
+                });
 
-                resolve();
             }, { once: true });
 
             this.bridge.postMessage({
@@ -273,6 +298,10 @@ export class TaskLoop {
         this.onEpoch = handler;
     }
 
+    public setMaxEpochs(maxEpochs: number) {
+        this.taskOptions.maxEpochs = maxEpochs;
+    }
+
     /**
      * @description 开启循环，异步更新 DOM
      */
@@ -288,6 +317,8 @@ export class TaskLoop {
             }
         });
 
+        let jsonParseErrorRetryCount = 0;
+
         for (let i = 0; i < this.taskOptions.maxEpochs; ++ i) {
 
             this.onEpoch();
@@ -308,7 +339,10 @@ export class TaskLoop {
             this.currentChatId = chatData.id!;
 
             // 发送请求
-            await this.doConversation(chatData);
+            const doConverationResult = await this.doConversation(chatData);
+
+            console.log(doConverationResult);
+            
 
             // 如果存在需要调度的工具
             if (this.streamingToolCalls.value.length > 0) {
@@ -333,11 +367,25 @@ export class TaskLoop {
                 if (toolCallResult.state === MessageState.ParseJsonError) {
                     // 如果是因为解析 JSON 错误，则重新开始
                     tabStorage.messages.pop();
-                    redLog('解析 JSON 错误 ' + this.streamingToolCalls.value[0]?.function?.arguments);
-                    continue;
-                }
+                    jsonParseErrorRetryCount ++;
 
-                if (toolCallResult.state === MessageState.Success) {
+                    redLog('解析 JSON 错误 ' + this.streamingToolCalls.value[0]?.function?.arguments);
+
+                    // 如果因为 JSON 错误而失败太多，就只能中断了
+                    if (jsonParseErrorRetryCount >= this.taskOptions.maxJsonParseRetry) {
+                        tabStorage.messages.push({
+                            role: 'assistant',
+                            content: `解析 JSON 错误，无法继续调用工具 (累计错误次数 ${this.taskOptions.maxJsonParseRetry})`,
+                            extraInfo: {
+                                created: Date.now(),
+                                state: toolCallResult.state,
+                                serverName: llms[llmManager.currentModelIndex].id || 'unknown',
+                                usage: undefined
+                            }
+                        });
+                        break;
+                    }
+                } else if (toolCallResult.state === MessageState.Success) {
                     const toolCall = this.streamingToolCalls.value[0];
 
                     tabStorage.messages.push({
@@ -351,10 +399,7 @@ export class TaskLoop {
                             usage: this.completionUsage
                         }
                     });
-                }
-
-
-                if (toolCallResult.state === MessageState.ToolCall) {
+                } else if (toolCallResult.state === MessageState.ToolCall) {
                     const toolCall = this.streamingToolCalls.value[0];
 
                     tabStorage.messages.push({
@@ -385,7 +430,11 @@ export class TaskLoop {
 
             } else {
                 // 一些提示
+                break;
+            }
 
+            // 回答聚合完成后根据 stop 来决定是否提前中断
+            if (doConverationResult.stop) {
                 break;
             }
         }
diff --git a/renderer/src/components/main-panel/chat/core/usage.ts b/renderer/src/components/main-panel/chat/core/usage.ts
index a6b51d2..5b0237f 100644
--- a/renderer/src/components/main-panel/chat/core/usage.ts
+++ b/renderer/src/components/main-panel/chat/core/usage.ts
@@ -31,6 +31,18 @@ export function makeUsageStatistic(extraInfo: IExtraInfo): UsageStatistic | unde
                 total: usage.prompt_tokens + usage.completion_tokens,
                 cacheHitRatio: Math.ceil(usage.prompt_tokens_details?.cached_tokens || 0 / usage.prompt_tokens * 1000) / 10,
             }
+        
+
+        default:
+            if (usage.prompt_tokens && usage.completion_tokens) {
+                return {
+                    input: usage.prompt_tokens,
+                    output: usage.completion_tokens,
+                    total: usage.prompt_tokens + usage.completion_tokens,
+                    cacheHitRatio: Math.ceil((usage.prompt_tokens_details?.cached_tokens || 0) / usage.prompt_tokens * 1000) / 10,
+                }
+            }
+            return undefined;
     }
     
     return undefined;
diff --git a/renderer/src/components/main-panel/chat/index.vue b/renderer/src/components/main-panel/chat/index.vue
index 72f7dff..88bdd82 100644
--- a/renderer/src/components/main-panel/chat/index.vue
+++ b/renderer/src/components/main-panel/chat/index.vue
@@ -165,6 +165,11 @@ provide('streamingToolCalls', streamingToolCalls);
 provide('isLoading', isLoading);
 provide('autoScroll', autoScroll);
 
+const chatContext = {
+    handleSend: undefined
+};
+provide('chatContext', chatContext);
+
 // 修改 scrollToBottom 方法
 async function scrollToBottom() {
     if (!scrollbarRef.value || !messageListRef.value) return;
diff --git a/renderer/src/components/main-panel/chat/message/assistant.vue b/renderer/src/components/main-panel/chat/message/assistant.vue
index 792bd7e..5ffe68c 100644
--- a/renderer/src/components/main-panel/chat/message/assistant.vue
+++ b/renderer/src/components/main-panel/chat/message/assistant.vue
@@ -1,13 +1,13 @@
 <template>
     <div class="message-role">Agent</div>
     <div class="message-text">
-        <div v-if="message.content" v-html="markdownToHtml(props.message.content)"></div>
+        <div v-if="message.content" v-html="markdownToHtml(messageContent)"></div>
     </div>
     <MessageMeta :message="props.message" />
 </template>
 
 <script setup lang="ts">
-import { defineProps } from 'vue';
+import { computed, defineProps } from 'vue';
 import { markdownToHtml } from '@/components/main-panel/chat/markdown/markdown';
 
 import MessageMeta from './message-meta.vue';
@@ -23,6 +23,17 @@ const props = defineProps({
     }
 });
 
+const messageContent = computed(() => {
+    if (typeof props.message.content === 'undefined') {
+        return 'undefined';
+    }
+    if (typeof props.message.content === 'object') {
+        return JSON.stringify(props.message.content, null, 2);
+    }
+    return props.message.content.toString();
+});
+
+
 </script>
 
 <style>
diff --git a/renderer/src/components/main-panel/chat/message/streaming-box.vue b/renderer/src/components/main-panel/chat/message/streaming-box.vue
index 47c18ca..66ed8b5 100644
--- a/renderer/src/components/main-panel/chat/message/streaming-box.vue
+++ b/renderer/src/components/main-panel/chat/message/streaming-box.vue
@@ -1,5 +1,5 @@
 <template>
-    <div class="message-avatar">
+    <div class="message-avatar streaming-box">
         <span class="iconfont icon-chat"></span>
     </div>
     <div class="message-content">
@@ -11,7 +11,7 @@
                 </span>
             </span>
         </div>
-        <div class="message-text">
+        <div class="message-text streaming-box">
             <span v-html="waitingMarkdownToHtml(streamingContent)"></span>
         </div>
     </div>
diff --git a/renderer/src/components/main-panel/chat/message/toolcall.vue b/renderer/src/components/main-panel/chat/message/toolcall.vue
index caaa452..c1a147f 100644
--- a/renderer/src/components/main-panel/chat/message/toolcall.vue
+++ b/renderer/src/components/main-panel/chat/message/toolcall.vue
@@ -38,11 +38,11 @@
                         <div class="tool-call-header result">
                             <span class="tool-name">
                                 <span :class="`iconfont icon-${currentMessageLevel}`"></span>
-                                {{ isValid ? '响应': '错误' }}
+                                {{ isValid ? t("response") : t('error') }}
                                 <el-button v-if="!isValid" size="small"
                                     @click="gotoIssue()"
                                 >
-                                    反馈
+                                    {{ t('feedback') }}
                                 </el-button>
                             </span>
                             <span style="width: 200px;" class="tools-dialog-container" v-if="currentMessageLevel === 'info'">
@@ -82,7 +82,24 @@
                             </div>
                         </div>
                     </div>
-
+                    <div v-else style="width: 90%">
+                        <div class="tool-call-header result">
+                            <span class="tool-name">
+                                <span :class="`iconfont icon-waiting`"></span>
+                                {{ t('waiting-mcp-server') }}
+                            </span>
+                        </div>
+                        <div class="tool-result-content">
+                            <div class="progress">
+                                <el-progress
+                                    :percentage="100"
+                                    :format="() => ''"
+                                    :indeterminate="true"
+                                    text-inside
+                                />
+                            </div>
+                        </div>
+                    </div>
 
                     <MessageMeta :message="message" />
 
@@ -93,7 +110,8 @@
 </template>
 
 <script setup lang="ts">
-import { defineProps, ref, watch, PropType, computed, defineEmits } from 'vue';
+import { defineProps, ref, watch, PropType, computed, defineEmits, inject, Ref } from 'vue';
+import { useI18n } from 'vue-i18n';
 
 import MessageMeta from './message-meta.vue';
 import { markdownToHtml } from '@/components/main-panel/chat/markdown/markdown';
@@ -103,6 +121,8 @@ import { ToolCallContent } from '@/hook/type';
 
 import ToolcallResultItem from './toolcall-result-item.vue';
 
+const { t } = useI18n();
+
 const props = defineProps({
     message: {
         type: Object as PropType<IRenderMessage>,
@@ -183,7 +203,14 @@ const isValid = computed(() => {
     }
 });
 
+
 const currentMessageLevel = computed(() => {
+    
+    // 此时正在等待 mcp server 给出回应
+    if (!props.message.toolResult) {
+        return 'info';
+    }
+
     if (!isValid.value) {
         return 'error';
     }
@@ -223,6 +250,16 @@ function updateToolCallResultItem(value: any, index: number) {
     padding: 3px 10px;
 }
 
+.tool-result-content .el-progress-bar__outer {
+}
+
+.tool-result-content .progress {
+    border-radius: .5em;
+    background-color: var(--el-fill-color-light) !important;
+    padding: 20px 10px;
+    width: 50%;
+}
+
 .message-text.tool_calls.warning {
     border: 1px solid var(--el-color-warning);
 }
diff --git a/renderer/src/components/main-panel/chat/message/user.vue b/renderer/src/components/main-panel/chat/message/user.vue
index 0afd440..773e63b 100644
--- a/renderer/src/components/main-panel/chat/message/user.vue
+++ b/renderer/src/components/main-panel/chat/message/user.vue
@@ -34,7 +34,7 @@
 <script setup lang="ts">
 import { defineProps, ref, PropType, inject } from 'vue';
 import { tabs } from '../../panel';
-import { ChatStorage, IRenderMessage } from '../chat';
+import type { ChatStorage, IRenderMessage } from '../chat-box/chat';
 
 import KCuteTextarea from '@/components/k-cute-textarea/index.vue';
 import { ElMessage } from 'element-plus';
@@ -58,7 +58,7 @@ const tabStorage = tab.storage as ChatStorage;
 const isEditing = ref(false);
 const userInput = ref('');
 
-const handleSend = inject<(newMessage: string | undefined) => void>('handleSend');
+const chatContext = inject('chatContext') as any;
 
 const toggleEdit = () => {
     isEditing.value = !isEditing.value;
@@ -70,10 +70,12 @@ const toggleEdit = () => {
 const handleKeydown = (event: KeyboardEvent) => {
     const index = tabStorage.messages.findIndex(msg => msg.extraInfo === props.message.extraInfo);
     
-    if (index !== -1 && handleSend) {
+    console.log(chatContext);
+    
+    if (index !== -1 && chatContext.handleSend) {
         // 把 index 之后的全部删除（包括 index）
         tabStorage.messages.splice(index);
-        handleSend(userInput.value);
+        chatContext.handleSend(userInput.value);
 
         isEditing.value = false;
     }
diff --git a/renderer/src/i18n/ar.json b/renderer/src/i18n/ar.json
index 3adcdab..58772fc 100644
--- a/renderer/src/i18n/ar.json
+++ b/renderer/src/i18n/ar.json
@@ -152,5 +152,8 @@
     "choose-presetting": "اختر الإعداد المسبق",
     "cwd": "دليل التنفيذ",
     "mcp-server-timeout": "أطول وقت لاستدعاء أداة MCP",
-    "return": "عودة"
+    "return": "عودة",
+    "error": "خطأ",
+    "feedback": "تعليقات",
+    "waiting-mcp-server": "في انتظار استجابة خادم MCP"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/de.json b/renderer/src/i18n/de.json
index 5aec99d..4c569c2 100644
--- a/renderer/src/i18n/de.json
+++ b/renderer/src/i18n/de.json
@@ -152,5 +152,8 @@
     "choose-presetting": "Voreinstellung auswählen",
     "cwd": "Ausführungsverzeichnis",
     "mcp-server-timeout": "Maximale Aufrufzeit des MCP-Tools",
-    "return": "Zurück"
+    "return": "Zurück",
+    "error": "Fehler",
+    "feedback": "Feedback",
+    "waiting-mcp-server": "Warten auf Antwort vom MCP-Server"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/en.json b/renderer/src/i18n/en.json
index 3014bd6..5c9ab7c 100644
--- a/renderer/src/i18n/en.json
+++ b/renderer/src/i18n/en.json
@@ -152,5 +152,8 @@
     "choose-presetting": "Select preset",
     "cwd": "Execution directory",
     "mcp-server-timeout": "Maximum call time of MCP tool",
-    "return": "Back"
+    "return": "Back",
+    "error": "Error",
+    "feedback": "Feedback",
+    "waiting-mcp-server": "Waiting for MCP server response"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/fr.json b/renderer/src/i18n/fr.json
index 6294635..e73832a 100644
--- a/renderer/src/i18n/fr.json
+++ b/renderer/src/i18n/fr.json
@@ -152,5 +152,8 @@
     "choose-presetting": "Sélectionner un préréglage",
     "cwd": "Répertoire d'exécution",
     "mcp-server-timeout": "Temps d'appel maximum de l'outil MCP",
-    "return": "Retour"
+    "return": "Retour",
+    "error": "Erreur",
+    "feedback": "Retour",
+    "waiting-mcp-server": "En attente de la réponse du serveur MCP"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/ja.json b/renderer/src/i18n/ja.json
index 3faa34d..6cc72cf 100644
--- a/renderer/src/i18n/ja.json
+++ b/renderer/src/i18n/ja.json
@@ -152,5 +152,8 @@
     "choose-presetting": "プリセットを選択",
     "cwd": "実行ディレクトリ",
     "mcp-server-timeout": "MCPツールの最大呼び出し時間",
-    "return": "戻る"
+    "return": "戻る",
+    "error": "エラー",
+    "feedback": "フィードバック",
+    "waiting-mcp-server": "MCPサーバーの応答を待機中"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/ko.json b/renderer/src/i18n/ko.json
index fea7136..99f41da 100644
--- a/renderer/src/i18n/ko.json
+++ b/renderer/src/i18n/ko.json
@@ -152,5 +152,8 @@
     "choose-presetting": "프리셋 선택",
     "cwd": "실행 디렉터리",
     "mcp-server-timeout": "MCP 도구 최대 호출 시간",
-    "return": "돌아가기"
+    "return": "돌아가기",
+    "error": "오류",
+    "feedback": "피드백",
+    "waiting-mcp-server": "MCP 서버 응답 대기 중"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/ru.json b/renderer/src/i18n/ru.json
index 398b5b7..62804ca 100644
--- a/renderer/src/i18n/ru.json
+++ b/renderer/src/i18n/ru.json
@@ -152,5 +152,8 @@
     "choose-presetting": "Выбрать预设",
     "cwd": "Каталог выполнения",
     "mcp-server-timeout": "Максимальное время вызова инструмента MCP",
-    "return": "Назад"
+    "return": "Назад",
+    "error": "Ошибка",
+    "feedback": "Обратная связь",
+    "waiting-mcp-server": "Ожидание ответа от сервера MCP"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/zh-cn.json b/renderer/src/i18n/zh-cn.json
index af97fff..68fe9ab 100644
--- a/renderer/src/i18n/zh-cn.json
+++ b/renderer/src/i18n/zh-cn.json
@@ -152,5 +152,8 @@
     "choose-presetting": "选择预设",
     "cwd": "执行目录",
     "mcp-server-timeout": "MCP工具最长调用时间",
-    "return": "返回"
+    "return": "返回",
+    "error": "错误",
+    "feedback": "反馈",
+    "waiting-mcp-server": "等待 MCP 服务器响应"
 }
\ No newline at end of file
diff --git a/renderer/src/i18n/zh-tw.json b/renderer/src/i18n/zh-tw.json
index bbfbd30..77e186f 100644
--- a/renderer/src/i18n/zh-tw.json
+++ b/renderer/src/i18n/zh-tw.json
@@ -152,5 +152,8 @@
     "choose-presetting": "選擇預設",
     "cwd": "執行目錄",
     "mcp-server-timeout": "MCP工具最長調用時間",
-    "return": "返回"
+    "return": "返回",
+    "error": "錯誤",
+    "feedback": "反饋",
+    "waiting-mcp-server": "等待MCP伺服器響應"
 }
\ No newline at end of file
diff --git a/renderer/src/views/about/index.vue b/renderer/src/views/about/index.vue
index 18f95f2..43e6068 100644
--- a/renderer/src/views/about/index.vue
+++ b/renderer/src/views/about/index.vue
@@ -6,7 +6,7 @@
 		</span>
 
 		<p>
-			OpenMCP Client 0.0.7 由 OpenMCP@<a href="https://www.zhihu.com/people/can-meng-zhong-de-che-xian">锦恢</a> 开发
+			OpenMCP Client 0.0.8 由 OpenMCP@<a href="https://www.zhihu.com/people/can-meng-zhong-de-che-xian">锦恢</a> 开发
 		</p>
 
 		<p>
diff --git a/renderer/src/views/setting/api.ts b/renderer/src/views/setting/api.ts
index dcc075c..a417010 100644
--- a/renderer/src/views/setting/api.ts
+++ b/renderer/src/views/setting/api.ts
@@ -2,22 +2,26 @@ import { ChatStorage } from '@/components/main-panel/chat/chat-box/chat';
 import { TaskLoop } from '@/components/main-panel/chat/core/task-loop';
 import { llmManager } from './llm';
 import { reactive, ref } from 'vue';
+import { makeUsageStatistic } from '@/components/main-panel/chat/core/usage';
 
 export const llmSettingRef = ref<any>(null);
 
 export const simpleTestResult = reactive<{
     done: boolean,
     start: boolean,
-    error: any
+    error: any,
+    tps: string | number | undefined
 }>({
     done: false,
     start: false,
     error: '',
+    tps: undefined
 });
 
-export function makeSimpleTalk() {
+export async function makeSimpleTalk() {
     simpleTestResult.done = false;
     simpleTestResult.start = true;
+    simpleTestResult.tps = undefined;
 
     // 使用最简单的 hello 来测试
     const testMessage = 'hello';
@@ -37,19 +41,36 @@ export function makeSimpleTalk() {
             contextLength: 5
         }
     };
-    
-    loop.registerOnDone(() => {
-        console.log('done');
+
+    loop.setMaxEpochs(1);
+
+    loop.registerOnDone(() => {        
         simpleTestResult.error = '';
         simpleTestResult.done = true;
         simpleTestResult.start = false;
     });
 
     loop.registerOnError(error => {
-        console.log(error);
-        simpleTestResult.error = error;
+        const errorReason = error.msg;
+        const errorText = JSON.stringify(errorReason);
+
+        simpleTestResult.error = errorText;
         simpleTestResult.start = false;
     });
 
-    loop.start(chatStorage, testMessage);
+    const startTime = performance.now();
+    await loop.start(chatStorage, testMessage);
+
+    const costTime = (performance.now() - startTime!) / 1000;
+    const message = chatStorage.messages.at(-1);
+    console.log(chatStorage.messages);
+
+    if (message?.extraInfo) {
+        const usage = message.extraInfo.usage;
+        if (usage?.prompt_tokens && usage.completion_tokens) {
+            const total = usage?.prompt_tokens + usage?.completion_tokens;
+            simpleTestResult.tps = (total / costTime).toFixed(2);
+        }
+    }
+    
 }
\ No newline at end of file
diff --git a/renderer/src/views/setting/api.vue b/renderer/src/views/setting/api.vue
index d897c16..a9ea614 100644
--- a/renderer/src/views/setting/api.vue
+++ b/renderer/src/views/setting/api.vue
@@ -38,7 +38,7 @@
 			</div>
 		</div>
 
-		<!-- 根据不同模型展示不同的接入点 -->
+		<!-- TODO: 根据不同模型展示不同的接入点 -->
 		<div v-if="false">
 
 		</div>
@@ -80,7 +80,7 @@
 		<ConnectTest />
 
 		<!-- 当前页面的聊天框 -->
-		<el-dialog v-model="dialogVisible" width="50%" style="min-width: 500px; max-width: 800px;padding: 20px;">
+		<el-dialog v-model="dialogVisible" width="50%" class="api-man-dialog">
 			
 			<br>
 
@@ -286,6 +286,17 @@ function handleCommand(command: {type: string, index: number}) {
 </script>
 
 <style>
+
+.api-man-dialog {
+	min-width: 500px;
+	max-width: 800px;
+	padding: 20px;
+}
+
+.api-man-dialog .el-tag {
+	background-color: var(--main-light-color) !important;
+}
+
 .setting-save-container {
 	margin: 5px;
 }
diff --git a/renderer/src/views/setting/connect-test.vue b/renderer/src/views/setting/connect-test.vue
index 0ad2294..b2e11f0 100644
--- a/renderer/src/views/setting/connect-test.vue
+++ b/renderer/src/views/setting/connect-test.vue
@@ -2,22 +2,25 @@
     <div class="connect-test" v-if="simpleTestResult.done || simpleTestResult.error">
         <div class="test-result">
             <div class="result-item" v-if="simpleTestResult.done">
-                <span class="iconfont icon-success"></span>
-                <span>{{ "✅ okey dockey :D" }}</span>
+                <span class="iconfont icon-dui"></span>
+                <span>{{ " okey dockey :D" }}</span>
+                <span v-if="simpleTestResult.tps" class="tps">{{ simpleTestResult.tps }} token/s</span>
+                <span v-else class="tps">{{ t("server-not-support-statistic") }}</span>
             </div>
             <div class="result-item error" v-if="simpleTestResult.error">
-                <span class="iconfont icon-error"></span>
-                <span>{{ '❌ ' + simpleTestResult.error }}</span>
+                <span class="iconfont icon-cuo"></span>
+                <span>{{ ' ' + simpleTestResult.error }}</span>
             </div>
         </div>
     </div>
 </template>
 
 <script setup lang="ts">
-import { defineComponent } from 'vue';
+import { useI18n } from 'vue-i18n';
 import { simpleTestResult } from './api';
 
-defineComponent({ name: 'connect-test' });
+const { t } = useI18n();
+
 </script>
 
 <style scoped>
@@ -43,6 +46,14 @@ defineComponent({ name: 'connect-test' });
     border-radius: 4px;
 }
 
+.connect-test .tps {
+    margin-left: 5px;
+    color: var(--foreground);
+    background-color: var(--el-fill-color-light);
+    padding: 2px 6px;
+    border-radius: 4px;
+}
+
 .result-item.error {
     color: var(--el-color-danger);
 }
diff --git a/service/src/llm/llm.controller.ts b/service/src/llm/llm.controller.ts
index ab945b7..5a80259 100644
--- a/service/src/llm/llm.controller.ts
+++ b/service/src/llm/llm.controller.ts
@@ -13,7 +13,20 @@ export class LlmController {
             };
         }
 
-        await streamingChatCompletion(data, webview);
+        
+        try {
+            await streamingChatCompletion(data, webview);            
+        } catch (error) {
+            console.log('error' + error);
+            
+            webview.postMessage({
+                command: 'llm/chat/completions/error',
+                data: {
+                    msg: error
+                }
+            });
+        }
+
 
         return {
             code: -1,
diff --git a/service/src/llm/llm.service.ts b/service/src/llm/llm.service.ts
index 11e85cf..03c097a 100644
--- a/service/src/llm/llm.service.ts
+++ b/service/src/llm/llm.service.ts
@@ -57,9 +57,6 @@ export async function streamingChatCompletion(
             });
             break;
         }
-
-        console.log(chunk);
-        
         
         if (chunk.choices) {
             const chunkResult = {