diff --git a/pages/Chat/Chat.css b/pages/Chat/Chat.css
index 408ebaf..7e157ae 100644
--- a/pages/Chat/Chat.css
+++ b/pages/Chat/Chat.css
@@ -334,6 +334,14 @@
 	flex-direction: column;
 }
 
+/* ==========加载更多提示========== */
+.load-more-tip {
+	text-align: center;
+	padding: 20rpx 0;
+	font-size: 24rpx;
+	color: #999;
+}
+
 /* ==========聊天对话展示部分========== */
 .chat-messages {
 	display: flex;
@@ -603,6 +611,18 @@
 	box-shadow: none;
 }
 
+/* PC端中断发送按钮 */
+.stop-message-btn {
+	background: linear-gradient(135deg, #ff4d4f, #ff6b6b);
+	box-shadow: 0 4rpx 12rpx rgba(255, 77, 79, 0.35);
+	animation: pulseStop 1.8s ease-in-out infinite;
+}
+
+.stop-message-btn:active {
+	transform: scale(0.92);
+	box-shadow: 0 2rpx 6rpx rgba(255, 77, 79, 0.25);
+}
+
 .input-btn-group {
 	flex-shrink: 0;
 	display: flex;
diff --git a/pages/Chat/Chat.vue b/pages/Chat/Chat.vue
index c18802b..7f6120f 100644
--- a/pages/Chat/Chat.vue
+++ b/pages/Chat/Chat.vue
@@ -97,7 +97,7 @@
 			</view>
 			<view class="main-chat">
 				<scroll-view class="chat-messages" direction="vertical" scroll-y :scroll-into-view="scrollToView"
-					@scrolltoupper="loadMoreMessages" :upper-threshold="0" :scroll-with-animation="true"
+				 :upper-threshold="0" :scroll-with-animation="true"
 					@scroll="onScroll">
 				<!-- 与AI的对话内容展示 -->
 				<template v-for="(message, index) in currentMessages" :key="index">
@@ -235,9 +235,12 @@
 					<view class="chat-input-container" :class="{ 'input-disabled': isThinking }">
 						<textarea class="message-input" :placeholder="isThinking ? (isSelfSent ? 'AI 正在回复中...' : '电脑正在运行，请稍后') : '输入消息...'" :disabled="isThinking"
 							v-model="textMessage" auto-height></textarea>
-						<view class="input-btn-group send-message-btn" :class="{ disabled: isThinking }" @click="!isThinking && sendMessage()">
-							<view class="iconfont icon-fasong"></view>
-						</view>
+					<view v-if="isThinking && !isSelfSent" class="input-btn-group stop-message-btn" @click="stopConversation">
+						<view class="iconfont icon-tingzhi"></view>
+					</view>
+					<view v-else class="input-btn-group send-message-btn" :class="{ disabled: isThinking }" @click="!isThinking && sendMessage()">
+						<view class="iconfont icon-fasong"></view>
+					</view>
 					</view>
 				</view>
 			</view>
@@ -807,7 +810,7 @@
 	// 	}
 	// }
 	// AI 回复超时定时器
-	let aiResponseTimer = null
+	// let aiResponseTimer = null
 
 	// 发送AI消息
 	const sendAIMessage = async () => {
@@ -828,17 +831,17 @@
 			socketStore.send(data)
 			isThinking.value = true
 			isSelfSent.value = true // 标记为当前设备发起
-			// 10分钟超时
-			aiResponseTimer = setTimeout(() => {
-				uni.showToast({
-					title: 'AI回复超时，请重试',
-					icon: 'none'
-				})
-				isThinking.value = false
-				isSelfSent.value = false
-				textMessage.value = ''
-				uploadedFiles.value = []
-			}, 600000)
+			// // 10分钟超时
+			// aiResponseTimer = setTimeout(() => {
+			// 	uni.showToast({
+			// 		title: 'AI回复超时，请重试',
+			// 		icon: 'none'
+			// 	})
+			// 	isThinking.value = false
+			// 	isSelfSent.value = false
+			// 	textMessage.value = ''
+			// 	uploadedFiles.value = []
+			// }, 600000)
 		} catch (error) {
 			isThinking.value = false
 			uni.showToast({
@@ -861,12 +864,13 @@
 			console.error('中断指令发送失败:', err)
 		}
 		// 立即关闭弹窗，清除超时
-		clearTimeout(aiResponseTimer)
+		// clearTimeout(aiResponseTimer)
 		isThinking.value = false
+		socketStore.isThinking = false
 		isSelfSent.value = false
 		textMessage.value = ''
 		uploadedFiles.value = []
-		// socketStore.isThinking 和 takeConversationMessages 由后端中断确认驱动（见 handleBusinessMessage）
+		// takeConversationMessages 由后端中断确认驱动（见 handleBusinessMessage）
 		uni.showToast({ title: '已中断', icon: 'none', duration: 1500 })
 	}
 
@@ -881,7 +885,7 @@
 		}
 		// true → false：AI 回复结束或中断，解锁输入框并刷新消息列表
 		if (oldVal && !newVal) {
-			clearTimeout(aiResponseTimer)
+			// clearTimeout(aiResponseTimer)
 			console.log('AI回复结束（正常/中断），解锁并刷新消息列表');
 			takeConversationMessages()
 			isThinking.value = false
@@ -1064,7 +1068,7 @@
 	// 当前会话的消息
 	// const currentMessages = ref([])
 	const allmessages = ref([])
-	const pageInfoNumber = 100;
+	// const pageInfoNumber = 10;
 
 	const scrollToView = ref('')
 	// 加载状态和分页相关变量
@@ -1072,7 +1076,8 @@
 	const currentPage = ref(1) // 当前页码（如果后端支持分页）
 	// 计算属性：自动根据 allmessages 和 currentPage 计算显示消息
 	const currentMessages = computed(() => {
-		return allmessages.value.slice(-pageInfoNumber);
+		// return allmessages.value.slice(-pageInfoNumber);
+		return allmessages.value;
 	})
 
 
@@ -1126,21 +1131,21 @@
 			})
 		}
 	}
-	// 加载更多消息
-	const loadMoreMessages = async () => {
-		console.log('加载更多信息');
-		if (allmessages.value.length > pageInfoNumber * currentPage.value) {
-			currentPage.value += 1;
-			const newMessages = allmessages.value.slice(-pageInfoNumber * currentPage.value);
-			const addMessage = newMessages.length - currentMessages.value.length
-			currentMessages.value = newMessages
-			// 等待DOM更新
-			await nextTick()
-			scrollToView.value = 'msg-' + (addMessage + 1);
+	// // 加载更多消息
+	// const loadMoreMessages = async () => {
+	// 	console.log('加载更多信息');
+	// 	if (allmessages.value.length > pageInfoNumber * currentPage.value) {
+	// 		currentPage.value += 1;
+	// 		const newMessages = allmessages.value.slice(-pageInfoNumber * currentPage.value);
+	// 		const addMessage = newMessages.length - currentMessages.value.length
+	// 		currentMessages.value = newMessages
+	// 		// 等待DOM更新
+	// 		await nextTick()
+	// 		scrollToView.value = 'msg-' + (addMessage + 1);
 
-		}
-		// currentMessages.value = allmessages.value.slice(-pageInfoNumber);
-	}
+	// 	}
+	// 	// currentMessages.value = allmessages.value.slice(-pageInfoNumber);
+	// }
 
 
 
diff --git a/pages/Login/Login.vue b/pages/Login/Login.vue
index a677ad2..cd3d29d 100644
--- a/pages/Login/Login.vue
+++ b/pages/Login/Login.vue
@@ -123,10 +123,19 @@
 			})
 		} catch(err) {
 			console.log('登录失败',err);
-			uni.showToast({
-				title:err || '失败',
-				icon:'error'
-			})
+			if (err && typeof err === 'object' && err.serverError) {
+				uni.showModal({
+					title: '提示',
+					content: err.message,
+					showCancel: false,
+					confirmText: '知道了'
+				})
+			} else {
+				uni.showToast({
+					title: err?.message || err || '失败',
+					icon: 'error'
+				})
+			}
 		}finally {
 			loading.value = false
 		}
diff --git a/stores/socket.js b/stores/socket.js
index 354a833..d51bf4a 100644
--- a/stores/socket.js
+++ b/stores/socket.js
@@ -159,7 +159,7 @@ export const useSocketStore = defineStore('socket', () => {
 		} = messageData || {}
 
 		// 调试日志：明确输出 type 和 data
-		console.log('[handleMessage] type =', type, ', data =', JSON.stringify(data));
+		console.log(`[handleMessage] type = ${type}, data = ${JSON.stringify(data)}`);
 
 		switch (type) {
 			case 'auth_ok':
@@ -180,6 +180,10 @@ export const useSocketStore = defineStore('socket', () => {
 				addLog('warn', 'AI正在回复信息')
 				handleBusinessMessage(data)
 				break
+				
+			case 'pc_offline':
+				addLog('warn', 'PC 端已离线')
+				break
 
 			default:
 				addLog('info', `未知事件类型: ${type}`)
@@ -252,6 +256,10 @@ export const useSocketStore = defineStore('socket', () => {
 		if (chunk) {
 			// 拼接 ai 回复的内容
 			messageString.value += chunk
+			if (!isThinking.value) {
+				console.log("修改状态为开始思考");
+				isThinking.value = true
+			}
 		}
 	}
 
diff --git a/unpackage/dist/dev/app-plus/app-service.js b/unpackage/dist/dev/app-plus/app-service.js
index d65f08b..c80f61d 100644
--- a/unpackage/dist/dev/app-plus/app-service.js
+++ b/unpackage/dist/dev/app-plus/app-service.js
@@ -81,7 +81,11 @@ if (uni.restoreGlobal) {
               reject(msg);
             }
           } else {
-            reject(`请求失败：${res.statusCode}`);
+            if (String(res.statusCode).startsWith("5")) {
+              reject({ serverError: true, code: res.statusCode, message: "服务器升级中，请稍后再试" });
+            } else {
+              reject(`请求失败：${res.statusCode}`);
+            }
           }
         },
         fail: (err) => {
@@ -134,11 +138,14 @@ if (uni.restoreGlobal) {
           if (res.statusCode === 200) {
             const messagesInfo = res.data;
             if (messagesInfo) {
-              formatAppLog("log", "at utils/cloud-api.js:89", "工作区id为：", messagesInfo.workspace_id || "(无)");
+              formatAppLog("log", "at utils/cloud-api.js:93", "工作区id为：", messagesInfo.workspace_id || "(无)");
               if (messagesInfo.workspace_id) {
                 uni.setStorageSync("workspace_id", messagesInfo.workspace_id);
               }
-              resolve(messagesInfo.messages);
+              const filtered = (messagesInfo.messages || []).filter(
+                (m) => m.role !== "tool"
+              );
+              resolve(filtered);
             } else {
               const msg = res.data.error || "获取消息出错啦";
               reject(msg);
@@ -551,7 +558,7 @@ if (uni.restoreGlobal) {
           uri: fileUri
         };
       });
-      formatAppLog("log", "at utils/cloud-api.js:588", "uploadFileToShortStorage 参数:", { workspacesId, fileCount: uploadFiles.length, filePath });
+      formatAppLog("log", "at utils/cloud-api.js:595", "uploadFileToShortStorage 参数:", { workspacesId, fileCount: uploadFiles.length, filePath });
       uni.uploadFile({
         url: `${BASE_URL}/cloud_api/file/temp/upload`,
         method: "POST",
@@ -562,7 +569,7 @@ if (uni.restoreGlobal) {
         },
         files: uploadFiles,
         success: (res) => {
-          formatAppLog("log", "at utils/cloud-api.js:600", "uploadFileToShortStorage 响应状态:", res.statusCode, "数据:", res.data);
+          formatAppLog("log", "at utils/cloud-api.js:607", "uploadFileToShortStorage 响应状态:", res.statusCode, "数据:", res.data);
           if (res.statusCode === 200) {
             try {
               const respond = JSON.parse(res.data);
@@ -1557,10 +1564,19 @@ if (uni.restoreGlobal) {
           });
         } catch (err) {
           formatAppLog("log", "at pages/Login/Login.vue:125", "登录失败", err);
-          uni.showToast({
-            title: err || "失败",
-            icon: "error"
-          });
+          if (err && typeof err === "object" && err.serverError) {
+            uni.showModal({
+              title: "提示",
+              content: err.message,
+              showCancel: false,
+              confirmText: "知道了"
+            });
+          } else {
+            uni.showToast({
+              title: (err == null ? void 0 : err.message) || err || "失败",
+              icon: "error"
+            });
+          }
         } finally {
           loading.value = false;
         }
@@ -1592,7 +1608,7 @@ if (uni.restoreGlobal) {
             form.remember = loginInfo.remember ?? true;
           }
         } catch (e2) {
-          formatAppLog("error", "at pages/Login/Login.vue:169", "读取登录信息失败", e2);
+          formatAppLog("error", "at pages/Login/Login.vue:178", "读取登录信息失败", e2);
         }
       };
       vue.onMounted(() => {
@@ -4479,12 +4495,12 @@ This will fail in production.`);
           return;
         }
         const msg = JSON.stringify(data);
-        formatAppLog("log", "at utils/socket.js:193", "发送的消息是：", msg);
+        formatAppLog("log", "at utils/socket.js:199", "发送的消息是：", msg);
         this.ws.send({
           data: msg,
           success: () => resolve(),
           fail: (err) => {
-            formatAppLog("error", "at utils/socket.js:201", "发送消息失败:", err);
+            formatAppLog("error", "at utils/socket.js:207", "发送消息失败:", err);
             reject(err);
           }
         });
@@ -4498,7 +4514,7 @@ This will fail in production.`);
       if (this.reconnectTimer)
         return;
       this.reconnectAttempts++;
-      formatAppLog("log", "at utils/socket.js:227", `尝试重连 (${this.reconnectAttempts}/${this.maxReconnectAttempts})...`);
+      formatAppLog("log", "at utils/socket.js:233", `尝试重连 (${this.reconnectAttempts}/${this.maxReconnectAttempts})...`);
       this.reconnectTimer = setTimeout(() => {
         this.reconnectTimer = null;
         if (!this.isManualClose) {
@@ -4517,7 +4533,7 @@ This will fail in production.`);
           this.send({
             ws_event: "ping"
           }).catch(() => {
-            formatAppLog("log", "at utils/socket.js:249", "心跳发送失败，准备重连");
+            formatAppLog("log", "at utils/socket.js:255", "心跳发送失败，准备重连");
             if (!this.reconnectTimer && !this.isManualClose) {
               this.reconnect();
             }
@@ -4542,7 +4558,7 @@ This will fail in production.`);
      */
     handleError(error) {
       var _a, _b;
-      formatAppLog("error", "at utils/socket.js:277", "WebSocket 错误处理:", JSON.stringify(error));
+      formatAppLog("error", "at utils/socket.js:283", "WebSocket 错误处理:", JSON.stringify(error));
       (_b = (_a = this.options).onError) == null ? void 0 : _b.call(_a, error);
     }
     /**
@@ -4568,7 +4584,7 @@ This will fail in production.`);
      * 清理所有定时器、标记手动关闭、停止重连
      */
     close() {
-      formatAppLog("log", "at utils/socket.js:313", "手动关闭 WebSocket 连接");
+      formatAppLog("log", "at utils/socket.js:319", "手动关闭 WebSocket 连接");
       this.isManualClose = true;
       this.stopHeartbeat();
       if (this.reconnectTimer) {
@@ -4586,11 +4602,11 @@ This will fail in production.`);
           this.ws.onClose(null);
         try {
           this.ws.close({
-            success: () => formatAppLog("log", "at utils/socket.js:335", "连接已关闭"),
-            fail: (err) => formatAppLog("error", "at utils/socket.js:336", "关闭失败:", err)
+            success: () => formatAppLog("log", "at utils/socket.js:341", "连接已关闭"),
+            fail: (err) => formatAppLog("error", "at utils/socket.js:342", "关闭失败:", err)
           });
         } catch (error) {
-          formatAppLog("error", "at utils/socket.js:344", "关闭连接出错:", error);
+          formatAppLog("error", "at utils/socket.js:350", "关闭连接出错:", error);
         }
         this.ws = null;
       }
@@ -4727,7 +4743,7 @@ This will fail in production.`);
         message_id,
         data
       } = messageData || {};
-      formatAppLog("log", "at stores/socket.js:162", "[handleMessage] type =", type, ", data =", JSON.stringify(data));
+      formatAppLog("log", "at stores/socket.js:162", `[handleMessage] type = ${type}, data = ${JSON.stringify(data)}`);
       switch (type) {
         case "auth_ok":
           addLog("success", "连接成功");
@@ -4744,6 +4760,9 @@ This will fail in production.`);
           addLog("warn", "AI正在回复信息");
           handleBusinessMessage(data);
           break;
+        case "pc_offline":
+          addLog("warn", "PC 端已离线");
+          break;
         default:
           addLog("info", `未知事件类型: ${type}`);
       }
@@ -4757,14 +4776,14 @@ This will fail in production.`);
     }
     function handleBusinessMessage(data) {
       if (data === "exit") {
-        formatAppLog("log", "at stores/socket.js:220", "ai结束思考");
+        formatAppLog("log", "at stores/socket.js:224", "ai结束思考");
         isThinking.value = false;
         return;
       }
       if (!data || typeof data !== "object")
         return;
       if (data.cmd === "event_callback" && data.info === "中断成功") {
-        formatAppLog("log", "at stores/socket.js:230", "后端确认中断成功");
+        formatAppLog("log", "at stores/socket.js:234", "后端确认中断成功");
         addLog("warn", `中断确认: ${data.info}`);
         isThinking.value = false;
         return;
@@ -4778,12 +4797,16 @@ This will fail in production.`);
         task_call_id
       } = data;
       if (!isThinking.value && (chunk || message_role === "assistant")) {
-        formatAppLog("log", "at stores/socket.js:247", "ai开始思考");
+        formatAppLog("log", "at stores/socket.js:251", "ai开始思考");
         messageString.value = "";
         isThinking.value = true;
       }
       if (chunk) {
         messageString.value += chunk;
+        if (!isThinking.value) {
+          formatAppLog("log", "at stores/socket.js:260", "修改状态为开始思考");
+          isThinking.value = true;
+        }
       }
     }
     function getStatusText() {
@@ -5565,7 +5588,6 @@ This will fail in production.`);
   const pkg = /* @__PURE__ */ initUTSPackageName(name, is_uni_modules);
   const cls = /* @__PURE__ */ initUTSIndexClassName(name, is_uni_modules);
   const chooseFile = /* @__PURE__ */ initUTSProxyFunction(false, { moduleName, moduleType, errMsg, main: true, package: pkg, class: cls, name: "chooseFileByJs", keepAlive: false, params: [{ "name": "options", "type": "UTSSDKModulesLimeChooseFileChooseFileOptionJSONObject" }], return: "" });
-  const pageInfoNumber = 100;
   const _sfc_main$9 = {
     __name: "Chat",
     setup(__props, { expose: __expose }) {
@@ -5575,7 +5597,7 @@ This will fail in production.`);
         if (friendSocketStore.isConnected)
           return;
         if (!userToken.value || !UserId.value) {
-          formatAppLog("warn", "at pages/Chat/Chat.vue:307", "Token或UserId未准备好");
+          formatAppLog("warn", "at pages/Chat/Chat.vue:310", "Token或UserId未准备好");
           return;
         }
         friendSocketStore.connect({
@@ -5646,7 +5668,7 @@ This will fail in production.`);
           const html = t(content);
           return html;
         } catch (e2) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:405", "解析失败", e2);
+          formatAppLog("error", "at pages/Chat/Chat.vue:408", "解析失败", e2);
           return content;
         }
       };
@@ -5696,7 +5718,7 @@ This will fail in production.`);
           const textContent = content.replace(match[0], "").trim();
           return { textContent, files };
         } catch (e2) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:473", "解析文件信息失败:", e2);
+          formatAppLog("error", "at pages/Chat/Chat.vue:476", "解析文件信息失败:", e2);
           return { textContent: content, files: [] };
         }
       };
@@ -5730,7 +5752,7 @@ This will fail in production.`);
           }
           takeUserConversations();
         } catch (error) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:515", "新建普通会话失败：", error);
+          formatAppLog("error", "at pages/Chat/Chat.vue:518", "新建普通会话失败：", error);
           uni.showToast({
             title: "创建会话失败，请重试",
             icon: "none"
@@ -5768,7 +5790,7 @@ This will fail in production.`);
       };
       const previewFileArray = vue.ref([]);
       const uploadPhoto = () => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:564", "点击了拍照上传");
+        formatAppLog("log", "at pages/Chat/Chat.vue:567", "点击了拍照上传");
         uni.chooseImage({
           count: 1,
           sourceType: ["camera", "album"],
@@ -5791,7 +5813,7 @@ This will fail in production.`);
             });
           },
           fail: (err) => {
-            formatAppLog("error", "at pages/Chat/Chat.vue:582", "选择图片失败", err);
+            formatAppLog("error", "at pages/Chat/Chat.vue:585", "选择图片失败", err);
           }
         });
       };
@@ -5800,12 +5822,12 @@ This will fail in production.`);
       };
       const fileList = vue.ref([]);
       const uploadFile = () => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:593", "点击了上传文件");
+        formatAppLog("log", "at pages/Chat/Chat.vue:596", "点击了上传文件");
         chooseFile({
           count: 5,
           type: "all",
           success: (res) => {
-            formatAppLog("log", "at pages/Chat/Chat.vue:598", "成功了");
+            formatAppLog("log", "at pages/Chat/Chat.vue:601", "成功了");
             fileList.value = res.tempFiles;
             previewFileArray.value.push(...res.tempFiles);
             uni.showToast({
@@ -5814,7 +5836,7 @@ This will fail in production.`);
             });
           },
           fail: (err) => {
-            formatAppLog("error", "at pages/Chat/Chat.vue:609", "选择失败:", err);
+            formatAppLog("error", "at pages/Chat/Chat.vue:612", "选择失败:", err);
             uni.showToast({
               title: "选择失败",
               icon: "error"
@@ -5879,7 +5901,7 @@ This will fail in production.`);
             previewFileArray.value = [];
           } catch (err) {
             uni.hideLoading();
-            formatAppLog("error", "at pages/Chat/Chat.vue:689", "文件上传失败:", err);
+            formatAppLog("error", "at pages/Chat/Chat.vue:692", "文件上传失败:", err);
             uni.showToast({
               title: "文件上传失败，请重试",
               icon: "error"
@@ -5973,7 +5995,6 @@ This will fail in production.`);
           takeGroupMessages();
         }, 1e3);
       };
-      let aiResponseTimer = null;
       const sendAIMessage = async () => {
         try {
           await handleConnect();
@@ -5991,16 +6012,6 @@ This will fail in production.`);
           socketStore.send(data);
           isThinking.value = true;
           isSelfSent.value = true;
-          aiResponseTimer = setTimeout(() => {
-            uni.showToast({
-              title: "AI回复超时，请重试",
-              icon: "none"
-            });
-            isThinking.value = false;
-            isSelfSent.value = false;
-            textMessage.value = "";
-            uploadedFiles.value = [];
-          }, 6e5);
         } catch (error) {
           isThinking.value = false;
           uni.showToast({
@@ -6010,33 +6021,32 @@ This will fail in production.`);
         }
       };
       const stopConversation = async () => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:853", "中断对话 - 当前会话ID:", currentSessionId.value);
+        formatAppLog("log", "at pages/Chat/Chat.vue:856", "中断对话 - 当前会话ID:", currentSessionId.value);
         try {
           await socketStore.send({
             type: "stop",
             conversation_id: currentSessionId.value
           });
-          formatAppLog("log", "at pages/Chat/Chat.vue:859", "中断指令已发送成功");
+          formatAppLog("log", "at pages/Chat/Chat.vue:862", "中断指令已发送成功");
         } catch (err) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:861", "中断指令发送失败:", err);
+          formatAppLog("error", "at pages/Chat/Chat.vue:864", "中断指令发送失败:", err);
         }
-        clearTimeout(aiResponseTimer);
         isThinking.value = false;
+        socketStore.isThinking = false;
         isSelfSent.value = false;
         textMessage.value = "";
         uploadedFiles.value = [];
         uni.showToast({ title: "已中断", icon: "none", duration: 1500 });
       };
       vue.watch(() => socketStore.isThinking, (newVal, oldVal) => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:875", "isThinking 变化:", oldVal, "→", newVal, "messageString:", socketStore.messageString);
+        formatAppLog("log", "at pages/Chat/Chat.vue:879", "isThinking 变化:", oldVal, "→", newVal, "messageString:", socketStore.messageString);
         if (!oldVal && newVal) {
-          formatAppLog("log", "at pages/Chat/Chat.vue:878", "AI开始回复（跨设备同步），锁定输入框");
+          formatAppLog("log", "at pages/Chat/Chat.vue:882", "AI开始回复（跨设备同步），锁定输入框");
           isThinking.value = true;
           return;
         }
         if (oldVal && !newVal) {
-          clearTimeout(aiResponseTimer);
-          formatAppLog("log", "at pages/Chat/Chat.vue:885", "AI回复结束（正常/中断），解锁并刷新消息列表");
+          formatAppLog("log", "at pages/Chat/Chat.vue:889", "AI回复结束（正常/中断），解锁并刷新消息列表");
           takeConversationMessages();
           isThinking.value = false;
           isSelfSent.value = false;
@@ -6071,15 +6081,15 @@ This will fail in production.`);
           UserData.value = await getUserInfo(userToken.value);
           UserId.value = UserData.value._id;
           UserAvatar.value = UserData.value.avatar || "";
-          formatAppLog("log", "at pages/Chat/Chat.vue:928", "用户信息已加载:", UserId.value, UserAvatar.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:932", "用户信息已加载:", UserId.value, UserAvatar.value);
         } catch (error) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:930", "获取用户信息失败:", error);
+          formatAppLog("error", "at pages/Chat/Chat.vue:934", "获取用户信息失败:", error);
         }
       };
       const takeUserConversations = async () => {
         try {
           userToken.value = getToken();
-          formatAppLog("log", "at pages/Chat/Chat.vue:938", "token:", userToken.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:942", "token:", userToken.value);
           UserConversations.value = await getUserConversations(userToken.value) || [];
           const savedSessionId = getCurrentSessionId();
           if (savedSessionId && UserConversations.value.some((c) => c._id === savedSessionId)) {
@@ -6089,7 +6099,7 @@ This will fail in production.`);
           } else {
             currentSessionId.value = "";
           }
-          formatAppLog("log", "at pages/Chat/Chat.vue:950", "保存会话id：", currentSessionId.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:954", "保存会话id：", currentSessionId.value);
           uni.setStorageSync("currentSessionId", currentSessionId.value);
         } catch (error) {
           uni.showToast({
@@ -6101,17 +6111,17 @@ This will fail in production.`);
       const FriendInfoList = vue.ref([]);
       const takeFriendList = async () => {
         try {
-          formatAppLog("log", "at pages/Chat/Chat.vue:965", "开始获取好友列表");
+          formatAppLog("log", "at pages/Chat/Chat.vue:969", "开始获取好友列表");
           const friendList = await getChatFriend(UserId.value);
-          formatAppLog("log", "at pages/Chat/Chat.vue:968", "friendList:", friendList);
+          formatAppLog("log", "at pages/Chat/Chat.vue:972", "friendList:", friendList);
           if (friendList && friendList.length) {
             FriendInfoList.value = await takeUserAvatar(friendList);
           } else {
             FriendInfoList.value = [];
-            formatAppLog("log", "at pages/Chat/Chat.vue:973", "好友列表为空");
+            formatAppLog("log", "at pages/Chat/Chat.vue:977", "好友列表为空");
           }
         } catch (error) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:976", "获取好友列表失败:", error);
+          formatAppLog("error", "at pages/Chat/Chat.vue:980", "获取好友列表失败:", error);
           FriendInfoList.value = [];
         } finally {
           UserConversations.value = FriendInfoList.value;
@@ -6138,17 +6148,17 @@ This will fail in production.`);
             };
           });
         } catch (err) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:1006", "获取好友头像失败", err);
+          formatAppLog("error", "at pages/Chat/Chat.vue:1010", "获取好友头像失败", err);
           return friendList;
         }
       };
       const GroupList = vue.ref([]);
       const takeGroupList = async () => {
         try {
-          formatAppLog("log", "at pages/Chat/Chat.vue:1016", "开始获取群聊列表");
+          formatAppLog("log", "at pages/Chat/Chat.vue:1020", "开始获取群聊列表");
           GroupList.value = await getGroup(UserId.value);
         } catch (error) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:1021", "获取群聊列表失败:", error);
+          formatAppLog("error", "at pages/Chat/Chat.vue:1025", "获取群聊列表失败:", error);
           GroupList.value = [];
         } finally {
           UserConversations.value = GroupList.value;
@@ -6160,22 +6170,22 @@ This will fail in production.`);
           return [];
         try {
           const memberIds = memberList.map((item) => item.groupContactId);
-          formatAppLog("log", "at pages/Chat/Chat.vue:1035", "请求头像的ID列表:", memberIds);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1039", "请求头像的ID列表:", memberIds);
           const memberAvatarList = await getUserAvatar(userToken.value, memberIds);
-          formatAppLog("log", "at pages/Chat/Chat.vue:1037", "头像接口返回数据:", memberAvatarList);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1041", "头像接口返回数据:", memberAvatarList);
           const userMap = new Map(memberAvatarList.map((user) => [user.user_id, user]) || []);
-          formatAppLog("log", "at pages/Chat/Chat.vue:1040", "userMap的keys:", Array.from(userMap.keys()));
+          formatAppLog("log", "at pages/Chat/Chat.vue:1044", "userMap的keys:", Array.from(userMap.keys()));
           return memberList.map((member) => {
             const memberId = member.groupContactId;
             const userInfo = userMap.get(memberId);
-            formatAppLog("log", "at pages/Chat/Chat.vue:1045", `查找 ${memberId} 的头像:`, userInfo);
+            formatAppLog("log", "at pages/Chat/Chat.vue:1049", `查找 ${memberId} 的头像:`, userInfo);
             return {
               ...member,
               avatar: (userInfo == null ? void 0 : userInfo.avatar) || null
             };
           });
         } catch (err) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:1052", "获取群成员头像失败", err);
+          formatAppLog("error", "at pages/Chat/Chat.vue:1056", "获取群成员头像失败", err);
           return memberList;
         }
       };
@@ -6190,7 +6200,7 @@ This will fail in production.`);
       const isLoadingMore = vue.ref(false);
       const currentPage = vue.ref(1);
       const currentMessages = vue.computed(() => {
-        return allmessages.value.slice(-pageInfoNumber);
+        return allmessages.value;
       });
       const takeConversationMessages = async () => {
         try {
@@ -6206,7 +6216,7 @@ This will fail in production.`);
       const takeFriendMessages = async () => {
         try {
           allmessages.value = await getFriendMessages(currentSessionId.value) || [];
-          formatAppLog("log", "at pages/Chat/Chat.vue:1097", "好友消息：", JSON.stringify(allmessages.value));
+          formatAppLog("log", "at pages/Chat/Chat.vue:1102", "好友消息：", JSON.stringify(allmessages.value));
           scrollToBottom();
         } catch (error) {
           uni.showToast({
@@ -6218,12 +6228,12 @@ This will fail in production.`);
       const takeGroupMessages = async () => {
         try {
           allmessages.value = await getGroupMessages(currentSessionId.value) || [];
-          formatAppLog("log", "at pages/Chat/Chat.vue:1110", "群聊消息：", allmessages.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1115", "群聊消息：", allmessages.value);
           const memberList = await getGroupMemberList(currentSessionId.value);
-          formatAppLog("log", "at pages/Chat/Chat.vue:1113", "获取到的群成员列表：", memberList);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1118", "获取到的群成员列表：", memberList);
           if (memberList && memberList.length) {
             groupMemberList.value = await takeGroupMemberAvatar(memberList);
-            formatAppLog("log", "at pages/Chat/Chat.vue:1116", "群成员列表（带头像）：", groupMemberList.value);
+            formatAppLog("log", "at pages/Chat/Chat.vue:1121", "群成员列表（带头像）：", groupMemberList.value);
           } else {
             groupMemberList.value = [];
           }
@@ -6235,17 +6245,6 @@ This will fail in production.`);
           });
         }
       };
-      const loadMoreMessages = async () => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:1131", "加载更多信息");
-        if (allmessages.value.length > pageInfoNumber * currentPage.value) {
-          currentPage.value += 1;
-          const newMessages = allmessages.value.slice(-pageInfoNumber * currentPage.value);
-          const addMessage = newMessages.length - currentMessages.value.length;
-          currentMessages.value = newMessages;
-          await vue.nextTick();
-          scrollToView.value = "msg-" + (addMessage + 1);
-        }
-      };
       const onScroll = (e2) => {
       };
       const scrollToBottom = async () => {
@@ -6255,9 +6254,9 @@ This will fail in production.`);
         }
       };
       vue.watch(() => friendSocketStore.MessageReceived, (newId) => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:1159", "收到了好友消息");
+        formatAppLog("log", "at pages/Chat/Chat.vue:1164", "收到了好友消息");
         if (newId) {
-          formatAppLog("log", "at pages/Chat/Chat.vue:1161", "ChatType:", ChatType.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1166", "ChatType:", ChatType.value);
           switch (ChatType.value) {
             case 0:
               takeConversationMessages();
@@ -6272,7 +6271,7 @@ This will fail in production.`);
               friendSocketStore.MessageReceived = false;
               break;
             default:
-              formatAppLog("log", "at pages/Chat/Chat.vue:1177", "default 分支");
+              formatAppLog("log", "at pages/Chat/Chat.vue:1182", "default 分支");
               friendSocketStore.MessageReceived = false;
               break;
           }
@@ -6334,11 +6333,7 @@ This will fail in production.`);
       onUnload(() => {
         socketStore.disconnect();
       });
-      const __returned__ = { friendSocketStore, handleFriendConnect, socketStore, ChatType, convertMarkdownTable, renderTable, pareseMarkdown, sanitizeContent, previewImage, openFile, formatFileSize, parseFileInfo, selectNormalChat, showNewChatModal, closeNewChatModal, isChatSidebar, handleChatSidebar, goWorkSpace, goCloudDatabase, logOut, previewFileArray, uploadPhoto, deleteImage, fileList, uploadFile, handleConnect, isThinking, isSelfSent, isUploading, uploadedFiles, showMessageModal, detailMessageContent, showMessageDetail, closeMessageDetail, sendMessage, sendFriendMessage, sendGroupMessage, get aiResponseTimer() {
-        return aiResponseTimer;
-      }, set aiResponseTimer(v) {
-        aiResponseTimer = v;
-      }, sendAIMessage, stopConversation, textMessage, UserConversations, currentSessionId, userToken, UserId, UserAvatar, UserData, takeUserInfo, takeUserConversations, FriendInfoList, takeFriendList, takeTalkUserAvatar, takeUserAvatar, GroupList, takeGroupList, groupMemberList, takeGroupMemberAvatar, getGroupMemberAvatarById, allmessages, pageInfoNumber, scrollToView, isLoadingMore, currentPage, currentMessages, takeConversationMessages, takeFriendMessages, takeGroupMessages, loadMoreMessages, onScroll, scrollToBottom, computed: vue.computed, getCurrentInstance: vue.getCurrentInstance, nextTick: vue.nextTick, onMounted: vue.onMounted, ref: vue.ref, watch: vue.watch, get onShow() {
+      const __returned__ = { friendSocketStore, handleFriendConnect, socketStore, ChatType, convertMarkdownTable, renderTable, pareseMarkdown, sanitizeContent, previewImage, openFile, formatFileSize, parseFileInfo, selectNormalChat, showNewChatModal, closeNewChatModal, isChatSidebar, handleChatSidebar, goWorkSpace, goCloudDatabase, logOut, previewFileArray, uploadPhoto, deleteImage, fileList, uploadFile, handleConnect, isThinking, isSelfSent, isUploading, uploadedFiles, showMessageModal, detailMessageContent, showMessageDetail, closeMessageDetail, sendMessage, sendFriendMessage, sendGroupMessage, sendAIMessage, stopConversation, textMessage, UserConversations, currentSessionId, userToken, UserId, UserAvatar, UserData, takeUserInfo, takeUserConversations, FriendInfoList, takeFriendList, takeTalkUserAvatar, takeUserAvatar, GroupList, takeGroupList, groupMemberList, takeGroupMemberAvatar, getGroupMemberAvatarById, allmessages, scrollToView, isLoadingMore, currentPage, currentMessages, takeConversationMessages, takeFriendMessages, takeGroupMessages, onScroll, scrollToBottom, computed: vue.computed, getCurrentInstance: vue.getCurrentInstance, nextTick: vue.nextTick, onMounted: vue.onMounted, ref: vue.ref, watch: vue.watch, get onShow() {
         return onShow;
       }, get onUnload() {
         return onUnload;
@@ -6581,7 +6576,6 @@ This will fail in production.`);
                 direction: "vertical",
                 "scroll-y": "",
                 "scroll-into-view": $setup.scrollToView,
-                onScrolltoupper: $setup.loadMoreMessages,
                 "upper-threshold": 0,
                 "scroll-with-animation": true,
                 onScroll: $setup.onScroll
@@ -6955,9 +6949,16 @@ This will fail in production.`);
                       }, null, 8, ["placeholder", "disabled"]), [
                         [vue.vModelText, $setup.textMessage]
                       ]),
-                      vue.createElementVNode(
+                      $setup.isThinking && !$setup.isSelfSent ? (vue.openBlock(), vue.createElementBlock("view", {
+                        key: 0,
+                        class: "input-btn-group stop-message-btn",
+                        onClick: $setup.stopConversation
+                      }, [
+                        vue.createElementVNode("view", { class: "iconfont icon-tingzhi" })
+                      ])) : (vue.openBlock(), vue.createElementBlock(
                         "view",
                         {
+                          key: 1,
                           class: vue.normalizeClass(["input-btn-group send-message-btn", { disabled: $setup.isThinking }]),
                           onClick: _cache[9] || (_cache[9] = ($event) => !$setup.isThinking && $setup.sendMessage())
                         },
@@ -6966,7 +6967,7 @@ This will fail in production.`);
                         ],
                         2
                         /* CLASS */
-                      )
+                      ))
                     ],
                     2
                     /* CLASS */
diff --git a/unpackage/dist/dev/app-plus/pages/Chat/Chat.css b/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
index 27a0cae..456ffe8 100644
--- a/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
+++ b/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
@@ -1200,6 +1200,13 @@ to { opacity: 1; transform: translateY(0) scale(1);
 	width: 100%;
 	flex-direction: column;
 }
+/* ==========加载更多提示========== */
+.load-more-tip[data-v-5eb7b895] {
+	text-align: center;
+	padding: 0.625rem 0;
+	font-size: 0.75rem;
+	color: #999;
+}
 /* ==========聊天对话展示部分========== */
 .chat-messages[data-v-5eb7b895] {
 	display: flex;
@@ -1437,6 +1444,16 @@ to { opacity: 1; transform: translateY(0);
 	background: #c0c0d0;
 	box-shadow: none;
 }
+/* PC端中断发送按钮 */
+.stop-message-btn[data-v-5eb7b895] {
+	background: linear-gradient(135deg, #ff4d4f, #ff6b6b);
+	box-shadow: 0 0.125rem 0.375rem rgba(255, 77, 79, 0.35);
+	animation: pulseStop-5eb7b895 1.8s ease-in-out infinite;
+}
+.stop-message-btn[data-v-5eb7b895]:active {
+	transform: scale(0.92);
+	box-shadow: 0 0.0625rem 0.1875rem rgba(255, 77, 79, 0.25);
+}
 .input-btn-group[data-v-5eb7b895] {
 	flex-shrink: 0;
 	display: flex;
diff --git a/utils/cloud-api.js b/utils/cloud-api.js
index ef6ab14..94a7fc6 100644
--- a/utils/cloud-api.js
+++ b/utils/cloud-api.js
@@ -28,7 +28,11 @@ export const login = async (username, password) => {
 						reject(msg)
 					}
 				} else {
-					reject(`请求失败：${res.statusCode}`)
+					if (String(res.statusCode).startsWith('5')) {
+						reject({ serverError: true, code: res.statusCode, message: '服务器升级中，请稍后再试' })
+					} else {
+						reject(`请求失败：${res.statusCode}`)
+					}
 				}
 			},
 			fail: (err) => {
@@ -90,7 +94,10 @@ export const getConversationMessages = async (token, conversatio_id) => {
 						if (messagesInfo.workspace_id) {
 							uni.setStorageSync('workspace_id', messagesInfo.workspace_id)
 						}
-						resolve(messagesInfo.messages)
+						const filtered = (messagesInfo.messages || []).filter(
+						m => m.role !== 'tool'
+					)
+					resolve(filtered)
 					} else {
 						const msg = res.data.error || '获取消息出错啦'
 						reject(msg)
diff --git a/utils/socket.js b/utils/socket.js
index 4cff436..c4244ca 100644
--- a/utils/socket.js
+++ b/utils/socket.js
@@ -172,6 +172,12 @@ class WebSocketManager {
 			this.close()
 			return
 		}
+		
+		// if (type === 'pc offline') {
+		// 	console.log("pc端不在线，不可聊天2");
+		// 	return
+		// }
+		
 
 	}