diff --git a/api/handler/chat_handler.go b/api/handler/chat_handler.go
index df4b4e28..0aad7821 100644
--- a/api/handler/chat_handler.go
+++ b/api/handler/chat_handler.go
@@ -460,7 +460,7 @@ func (h *ChatHandler) StopGenerate(c *gin.Context) {
 func (h *ChatHandler) doRequest(ctx context.Context, req types.ApiRequest, input ChatInput, apiKey *model.ApiKey) (*http.Response, error) {
 	// if the chat model bind a KEY, use it directly
 	if input.ChatModel.KeyId > 0 {
-		h.DB.Where("id", input.ChatModel.KeyId).Find(apiKey)
+		h.DB.Where("id", input.ChatModel.KeyId).Where("enabled", true).Find(apiKey)
 	} else { // use the last unused key
 		h.DB.Where("type", "chat").Where("enabled", true).Order("last_used_at ASC").First(apiKey)
 	}
@@ -725,221 +725,3 @@ func (h *ChatHandler) TextToSpeech(c *gin.Context) {
 		logger.Error("写入音频数据到响应失败:", err)
 	}
 }
-
-// // OPenAI 消息发送实现
-// func (h *ChatHandler) sendOpenAiMessage(
-// 	req types.ApiRequest,
-// 	userVo vo.User,
-// 	ctx context.Context,
-// 	session *types.ChatSession,
-// 	role model.ChatRole,
-// 	prompt string,
-// 	c *gin.Context) error {
-// 	promptCreatedAt := time.Now() // 记录提问时间
-// 	start := time.Now()
-// 	var apiKey = model.ApiKey{}
-// 	response, err := h.doRequest(ctx, req, session, &apiKey)
-// 	logger.Info("HTTP请求完成，耗时：", time.Since(start))
-// 	if err != nil {
-// 		if strings.Contains(err.Error(), "context canceled") {
-// 			return fmt.Errorf("用户取消了请求：%s", prompt)
-// 		} else if strings.Contains(err.Error(), "no available key") {
-// 			return errors.New("抱歉😔😔😔，系统已经没有可用的 API KEY，请联系管理员！")
-// 		}
-// 		return err
-// 	} else {
-// 		defer response.Body.Close()
-// 	}
-
-// 	if response.StatusCode != 200 {
-// 		body, _ := io.ReadAll(response.Body)
-// 		return fmt.Errorf("请求 OpenAI API 失败：%d, %v", response.StatusCode, string(body))
-// 	}
-
-// 	contentType := response.Header.Get("Prompt-Type")
-// 	if strings.Contains(contentType, "text/event-stream") {
-// 		replyCreatedAt := time.Now() // 记录回复时间
-// 		// 循环读取 Chunk 消息
-// 		var message = types.Message{Role: "assistant"}
-// 		var contents = make([]string, 0)
-// 		var function model.Function
-// 		var toolCall = false
-// 		var arguments = make([]string, 0)
-// 		var reasoning = false
-
-// 		pushMessage(c, ChatEventStart, "开始响应")
-// 		scanner := bufio.NewScanner(response.Body)
-// 		for scanner.Scan() {
-// 			line := scanner.Text()
-// 			if !strings.Contains(line, "data:") || len(line) < 30 {
-// 				continue
-// 			}
-// 			var responseBody = types.ApiResponse{}
-// 			err = json.Unmarshal([]byte(line[6:]), &responseBody)
-// 			if err != nil { // 数据解析出错
-// 				return errors.New(line)
-// 			}
-// 			if len(responseBody.Choices) == 0 { // Fixed: 兼容 Azure API 第一个输出空行
-// 				continue
-// 			}
-// 			if responseBody.Choices[0].Delta.Prompt == nil &&
-// 				responseBody.Choices[0].Delta.ToolCalls == nil &&
-// 				responseBody.Choices[0].Delta.ReasoningContent == "" {
-// 				continue
-// 			}
-
-// 			if responseBody.Choices[0].FinishReason == "stop" && len(contents) == 0 {
-// 				pushMessage(c, ChatEventError, "抱歉😔😔😔，AI助手由于未知原因已经停止输出内容。")
-// 				break
-// 			}
-
-// 			var tool types.ToolCall
-// 			if len(responseBody.Choices[0].Delta.ToolCalls) > 0 {
-// 				tool = responseBody.Choices[0].Delta.ToolCalls[0]
-// 				if toolCall && tool.Function.Name == "" {
-// 					arguments = append(arguments, tool.Function.Arguments)
-// 					continue
-// 				}
-// 			}
-
-// 			// 兼容 Function Call
-// 			fun := responseBody.Choices[0].Delta.FunctionCall
-// 			if fun.Name != "" {
-// 				tool = *new(types.ToolCall)
-// 				tool.Function.Name = fun.Name
-// 			} else if toolCall {
-// 				arguments = append(arguments, fun.Arguments)
-// 				continue
-// 			}
-
-// 			if !utils.IsEmptyValue(tool) {
-// 				res := h.DB.Where("name = ?", tool.Function.Name).First(&function)
-// 				if res.Error == nil {
-// 					toolCall = true
-// 					callMsg := fmt.Sprintf("正在调用工具 `%s` 作答 ...\n\n", function.Label)
-// 					pushMessage(c, ChatEventMessageDelta, map[string]interface{}{
-// 						"type":    "text",
-// 						"content": callMsg,
-// 					})
-// 					contents = append(contents, callMsg)
-// 				}
-// 				continue
-// 			}
-
-// 			if responseBody.Choices[0].FinishReason == "tool_calls" ||
-// 				responseBody.Choices[0].FinishReason == "function_call" { // 函数调用完毕
-// 				break
-// 			}
-
-// 			// output stopped
-// 			if responseBody.Choices[0].FinishReason != "" {
-// 				break // 输出完成或者输出中断了
-// 			} else { // 正常输出结果
-// 				// 兼容思考过程
-// 				if responseBody.Choices[0].Delta.ReasoningContent != "" {
-// 					reasoningContent := responseBody.Choices[0].Delta.ReasoningContent
-// 					if !reasoning {
-// 						reasoningContent = fmt.Sprintf("<think>%s", reasoningContent)
-// 						reasoning = true
-// 					}
-
-// 					pushMessage(c, ChatEventMessageDelta, map[string]interface{}{
-// 						"type":    "text",
-// 						"content": reasoningContent,
-// 					})
-// 					contents = append(contents, reasoningContent)
-// 				} else if responseBody.Choices[0].Delta.Prompt != "" {
-// 					finalContent := responseBody.Choices[0].Delta.Prompt
-// 					if reasoning {
-// 						finalContent = fmt.Sprintf("</think>%s", responseBody.Choices[0].Delta.Prompt)
-// 						reasoning = false
-// 					}
-// 					contents = append(contents, utils.InterfaceToString(finalContent))
-// 					pushMessage(c, ChatEventMessageDelta, map[string]interface{}{
-// 						"type":    "text",
-// 						"content": finalContent,
-// 					})
-// 				}
-// 			}
-// 		} // end for
-
-// 		if err := scanner.Err(); err != nil {
-// 			if strings.Contains(err.Error(), "context canceled") {
-// 				logger.Info("用户取消了请求：", prompt)
-// 			} else {
-// 				logger.Error("信息读取出错：", err)
-// 			}
-// 		}
-
-// 		if toolCall { // 调用函数完成任务
-// 			params := make(map[string]any)
-// 			_ = utils.JsonDecode(strings.Join(arguments, ""), &params)
-// 			logger.Debugf("函数名称: %s, 函数参数：%s", function.Name, params)
-// 			params["user_id"] = userVo.Id
-// 			var apiRes types.BizVo
-// 			r, err := req2.C().R().SetHeader("Body-Type", "application/json").
-// 				SetHeader("Authorization", function.Token).
-// 				SetBody(params).Post(function.Action)
-// 			errMsg := ""
-// 			if err != nil {
-// 				errMsg = err.Error()
-// 			} else {
-// 				all, _ := io.ReadAll(r.Body)
-// 				err = json.Unmarshal(all, &apiRes)
-// 				if err != nil {
-// 					errMsg = err.Error()
-// 				} else if apiRes.Code != types.Success {
-// 					errMsg = apiRes.Message
-// 				}
-// 			}
-
-// 			if errMsg != "" {
-// 				errMsg = "调用函数工具出错：" + errMsg
-// 				contents = append(contents, errMsg)
-// 			} else {
-// 				errMsg = utils.InterfaceToString(apiRes.Data)
-// 				contents = append(contents, errMsg)
-// 			}
-// 			pushMessage(c, ChatEventMessageDelta, map[string]interface{}{
-// 				"type":    "text",
-// 				"content": errMsg,
-// 			})
-// 		}
-
-// 		// 消息发送成功
-// 		if len(contents) > 0 {
-// 			usage := Usage{
-// 				Prompt:           prompt,
-// 				Prompt:          strings.Join(contents, ""),
-// 				PromptTokens:     0,
-// 				CompletionTokens: 0,
-// 				TotalTokens:      0,
-// 			}
-// 			message.Prompt = usage.Prompt
-// 			h.saveChatHistory(req, usage, message, session, role, userVo, promptCreatedAt, replyCreatedAt)
-// 		}
-// 	} else {
-// 		var respVo OpenAIResVo
-// 		body, err := io.ReadAll(response.Body)
-// 		if err != nil {
-// 			return fmt.Errorf("读取响应失败：%v", body)
-// 		}
-// 		err = json.Unmarshal(body, &respVo)
-// 		if err != nil {
-// 			return fmt.Errorf("解析响应失败：%v", body)
-// 		}
-// 		content := respVo.Choices[0].Message.Prompt
-// 		if strings.HasPrefix(req.Model, "o1-") {
-// 			content = fmt.Sprintf("AI思考结束，耗时：%d 秒。\n%s", time.Now().Unix()-session.Start, respVo.Choices[0].Message.Prompt)
-// 		}
-// 		pushMessage(c, ChatEventMessageDelta, map[string]interface{}{
-// 			"type":    "text",
-// 			"content": content,
-// 		})
-// 		respVo.Usage.Prompt = prompt
-// 		respVo.Usage.Prompt = content
-// 		h.saveChatHistory(req, respVo.Usage, respVo.Choices[0].Message, session, role, userVo, promptCreatedAt, time.Now())
-// 	}
-
-// 	return nil
-// }
diff --git a/web/src/components/ChatReply.vue b/web/src/components/ChatReply.vue
index 2aecee88..58fd6cda 100644
--- a/web/src/components/ChatReply.vue
+++ b/web/src/components/ChatReply.vue
@@ -131,6 +131,7 @@ const props = defineProps({
   data: {
     type: Object,
     default: {
+      type: 'text',
       icon: '',
       content: {
         text: '',
diff --git a/web/src/views/ChatPlus.vue b/web/src/views/ChatPlus.vue
index 625003c8..dcf0eb53 100644
--- a/web/src/views/ChatPlus.vue
+++ b/web/src/views/ChatPlus.vue
@@ -703,18 +703,33 @@ const sendSSERequest = async (message) => {
       },
       body: JSON.stringify(message),
       openWhenHidden: true,
+      // 禁用重试机制，避免连接断开后一直重试
+      retry: false,
+      // 设置重试延迟为0，确保不重试
+      retryDelay: 0,
+      // 设置最大重试次数为0
+      maxRetries: 0,
       onopen(response) {
         if (response.ok && response.status === 200) {
           console.log('SSE connection opened')
         } else {
-          throw new Error(`Failed to open SSE connection: ${response.status}`)
+          const errorMsg = `连接失败 (状态码: ${response.status})`
+          ElMessage.error(errorMsg)
+          enableInput()
+          throw new Error(errorMsg)
         }
       },
       onmessage(msg) {
         try {
           const data = JSON.parse(msg.data)
           if (data.type === 'error') {
-            ElMessage.error(data.body)
+            // ElMessage.error(data.body)
+            const reply = chatData.value[chatData.value.length - 1]
+            if (reply) {
+              reply[
+                'content'
+              ].text = `<div class="bg-red-50 text-red-500 p-3 rounded-md">${data.body}</div>`
+            }
             enableInput()
             return
           }
@@ -779,7 +794,7 @@ const sendSSERequest = async (message) => {
       onerror(err) {
         console.error('SSE Error:', err)
         enableInput()
-        ElMessage.error('连接已断开，请重试')
+        ElMessage.error('连接已断开，发生错误：' + err.message)
       },
       onclose() {
         console.log('SSE connection closed')