diff --git a/src/components/Toolbar.tsx b/src/components/Toolbar.tsx
index 785f2049..3f4bd9cb 100644
--- a/src/components/Toolbar.tsx
+++ b/src/components/Toolbar.tsx
@@ -321,16 +321,25 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
       const targetTasks = targetInstance.selectedTasks || [];
       lastStartCancelledRef.current = false;
 
+      const failStart = (reason: string): false => {
+        const message = `${t('taskList.autoConnect.startFailed')}: ${reason}`;
+        log.warn(`实例 ${targetInstance.name}: ${message}`);
+        addLog(targetId, { type: 'error', message });
+        onPhaseChange?.('idle');
+        return false;
+      };
+
       const tasksToRun = filterTasksForRun(targetTasks, { startFromTaskId, singleTaskId });
       if (tasksToRun.length === 0) {
-        log.warn(`实例 ${targetInstance.name} 没有可运行的任务`);
-        return false;
+        if (singleTaskId || startFromTaskId) {
+          return failStart(t('taskList.autoConnect.taskNotFound'));
+        }
+        return failStart(t('dashboard.noEnabledTasks'));
       }
 
       // 检查是否正在运行
       if (targetInstance.isRunning || preActionControlledInstanceIdRef.current === targetId) {
-        log.warn(`实例 ${targetInstance.name} 正在运行中`);
-        return false;
+        return failStart(t('taskList.autoConnect.alreadyRunning'));
       }
 
       // 获取控制器和资源配置
@@ -385,13 +394,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
 
       // 如果所有启用的任务都被过滤掉了，则无法启动
       if (compatibleTasks.length === 0) {
-        log.warn(`实例 ${targetInstance.name}: ${t('taskList.noCompatibleTasks')}`);
-        // 向用户显示明确的错误信息
-        addLog(targetId, {
-          type: 'error',
-          message: t('taskList.noCompatibleTasks'),
-        });
-        return false;
+        return failStart(t('taskList.noCompatibleTasks'));
       }
 
       const controller = projectInterface?.controller.find((c) => c.name === controllerName);
@@ -412,14 +415,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
       if (!shouldUseDummyController) {
         // 视觉任务必须有明确的控制器配置，避免状态异常时绕过按类型执行的安全检查。
         if (!controller) {
-          log.warn(
-            `实例 ${targetInstance.name}: 找不到控制器配置${controllerName ? ` (${controllerName})` : ''}`,
-          );
-          addLog(targetId, {
-            type: 'error',
-            message: t('errors.controllerNotFound'),
-          });
-          return false;
+          return failStart(t('errors.controllerNotFound'));
         }
 
         // 只有依赖 Windows 交互式桌面的实际控制器才受锁屏限制。
@@ -428,12 +424,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
           requiresUnlockedWorkstation(controller.type) &&
           (await maaService.isWorkstationLocked())
         ) {
-          log.warn(`实例 ${targetInstance.name}: 检测到电脑处于锁屏状态，取消启动`);
-          addLog(targetId, {
-            type: 'error',
-            message: t('taskList.autoConnect.workstationLocked'),
-          });
-          return false;
+          return failStart(t('taskList.autoConnect.workstationLocked'));
         }
       }
 
@@ -454,8 +445,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
         (shouldUseDummyController && resource);
 
       if (!canStartTask) {
-        log.warn(`实例 ${targetInstance.name} 无法启动：未连接且没有可用的控制器或资源配置`);
-        return false;
+        return failStart(t('taskList.autoConnect.needConfig'));
       }
 
       try {
@@ -773,8 +763,9 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
               const devices = await maaService.findAdbDevices();
               const matchedDevice = findMatchingAdbDevice(devices, savedDevice);
               if (!matchedDevice) {
-                log.warn(`实例 ${targetInstance.name}: 未找到设备 ${savedDevice.adbDeviceName}`);
-                return false;
+                return failStart(
+                  t('taskList.autoConnect.deviceNotFound', { name: savedDevice.adbDeviceName }),
+                );
               }
               config = {
                 type: 'Adb',
@@ -792,8 +783,9 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
               const windows = await maaService.findWin32Windows(classRegex, titleRegex);
               const matchedWindow = windows.find((w) => w.window_name === savedDevice.windowName);
               if (!matchedWindow) {
-                log.warn(`实例 ${targetInstance.name}: 未找到窗口 ${savedDevice.windowName}`);
-                return false;
+                return failStart(
+                  t('taskList.autoConnect.windowNotFound', { name: savedDevice.windowName }),
+                );
               }
               config = buildDesktopWindowControllerConfig(controller, matchedWindow.handle);
               deviceName = matchedWindow.window_name || matchedWindow.class_name;
@@ -801,10 +793,9 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
             } else if (controllerType === 'WlRoots' && savedDevice.wlrSocketPath) {
               const sockets = await maaService.findWlrootsSockets();
               if (!sockets.includes(savedDevice.wlrSocketPath)) {
-                log.warn(
-                  `实例 ${targetInstance.name}: 未找到 WlRoots socket ${savedDevice.wlrSocketPath}`,
+                return failStart(
+                  t('taskList.autoConnect.deviceNotFound', { name: savedDevice.wlrSocketPath }),
                 );
-                return false;
               }
               config = {
                 type: 'WlRoots',
@@ -827,8 +818,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
                 linux: t('controller.linux'),
               });
               if (!found) {
-                log.warn(`实例 ${targetInstance.name}: 未找到 Linux 控制器所需设备`);
-                return false;
+                return failStart(t('taskList.autoConnect.noDeviceFound'));
               }
               config = found.config;
               deviceName = found.deviceName;
@@ -842,12 +832,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
             if (controllerType === 'Adb') {
               const devices = await maaService.findAdbDevices();
               if (devices.length === 0) {
-                log.warn(`实例 ${targetInstance.name}: 未搜索到任何 ADB 设备`);
-                addLog(targetId, {
-                  type: 'error',
-                  message: t('taskList.autoConnect.noDeviceFound'),
-                });
-                return false;
+                return failStart(t('taskList.autoConnect.noDeviceFound'));
               }
               const firstDevice = devices[0];
               log.info(`实例 ${targetInstance.name}: 自动选择设备: ${firstDevice.name}`);
@@ -873,12 +858,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
               const { classRegex, titleRegex } = getDesktopWindowFilters(controller);
               const windows = await maaService.findWin32Windows(classRegex, titleRegex);
               if (windows.length === 0) {
-                log.warn(`实例 ${targetInstance.name}: 未搜索到任何窗口`);
-                addLog(targetId, {
-                  type: 'error',
-                  message: t('taskList.autoConnect.noWindowFound'),
-                });
-                return false;
+                return failStart(t('taskList.autoConnect.noWindowFound'));
               }
               const firstWindow = windows[0];
               log.info(`实例 ${targetInstance.name}: 自动选择窗口: ${firstWindow.window_name}`);
@@ -895,12 +875,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
             } else if (controllerType === 'WlRoots') {
               const sockets = await maaService.findWlrootsSockets();
               if (sockets.length === 0) {
-                log.warn(`实例 ${targetInstance.name}: 未搜索到任何 WlRoots socket`);
-                addLog(targetId, {
-                  type: 'error',
-                  message: t('taskList.autoConnect.noDeviceFound'),
-                });
-                return false;
+                return failStart(t('taskList.autoConnect.noDeviceFound'));
               }
               const firstSocket = sockets[0];
               log.info(`实例 ${targetInstance.name}: 自动选择 WlRoots socket: ${firstSocket}`);
@@ -919,24 +894,14 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
               targetType = 'device';
             } else if (controllerType === 'PlayCover') {
               // PlayCover 没有搜索功能，无法自动连接
-              log.warn(`实例 ${targetInstance.name}: PlayCover 控制器需要手动配置地址`);
-              addLog(targetId, {
-                type: 'error',
-                message: t('taskList.autoConnect.needConfig'),
-              });
-              return false;
+              return failStart(t('taskList.autoConnect.needConfig'));
             } else if (controllerType === 'Linux') {
               const found = await discoverLinuxControllerConfig(controller, undefined, {
                 portal: t('controller.portal'),
                 linux: t('controller.linux'),
               });
               if (!found) {
-                log.warn(`实例 ${targetInstance.name}: 未搜索到 Linux 控制器所需设备`);
-                addLog(targetId, {
-                  type: 'error',
-                  message: t('taskList.autoConnect.noDeviceFound'),
-                });
-                return false;
+                return failStart(t('taskList.autoConnect.noDeviceFound'));
               }
               config = found.config;
               deviceName = found.deviceName;
@@ -952,8 +917,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
           }
 
           if (!shouldUseDummyController && !config) {
-            log.warn(`实例 ${targetInstance.name}: 无法构建控制器配置`);
-            return false;
+            return failStart(t('taskList.autoConnect.needConfig'));
           }
 
           if (shouldUseDummyController) {
@@ -967,8 +931,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
           }
 
           if (!config) {
-            log.warn(`实例 ${targetInstance.name}: 无法构建控制器配置`);
-            return false;
+            return failStart(t('taskList.autoConnect.needConfig'));
           }
 
           onPhaseChange?.('connecting');
@@ -1109,8 +1072,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
           }
 
           if (!connectResult) {
-            log.warn(`实例 ${targetInstance.name}: 连接设备失败（已重试 ${maxRetries - 1} 次）`);
-            return false;
+            return failStart(t('taskList.autoConnect.connectFailed'));
           }
 
           if (shouldDelayAfterAdbConnected) {
@@ -1163,8 +1125,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
           }
 
           if (!loadResult) {
-            log.warn(`实例 ${targetInstance.name}: 资源加载失败`);
-            return false;
+            return failStart(t('taskList.autoConnect.resourceFailed'));
           }
         }
 
@@ -1201,8 +1162,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
         }
 
         if (runnableTasks.length === 0) {
-          log.warn(`实例 ${targetInstance.name}: 没有可执行的任务`);
-          return false;
+          return failStart(t('taskList.autoConnect.noRunnableTasks'));
         }
 
         const { leading, middle, trailing } = splitTasksIntoThreeSegments(runnableTasks);
@@ -1345,8 +1305,11 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
         if (hasTrailingBatch && primaryTaskIds.length > 0) {
           const primaryResult = await maaService.waitForTasks(targetId, primaryTaskIds);
           if (!primaryResult.allDone || primaryResult.stopped) {
-            log.warn(`实例 ${targetInstance.name}: 前段任务未正常结束，跳过收尾特殊任务`);
-            return false;
+            const message = t('taskList.autoConnect.primaryTasksIncomplete');
+            log.warn(`实例 ${targetInstance.name}: ${message}`);
+            addLog(targetId, { type: 'warning', message });
+            onPhaseChange?.('idle');
+            return true;
           }
           const trailingTaskIds = await runTaskBatch(trailing, false, '收尾', true);
           startedTaskIds.push(...trailingTaskIds);
@@ -1610,6 +1573,7 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
       const detail = (evt as CustomEvent | undefined)?.detail as
         | { source?: string; combo?: string; onSettled?: (started: boolean) => void }
         | undefined;
+      const isHotkey = detail?.source === 'hotkey' || detail?.source === 'global-hotkey';
       let settled = false;
       const notifySettled = (started: boolean) => {
         if (settled) return;
@@ -1628,24 +1592,14 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
       }
 
       const combo = detail?.combo || '';
-      addLog(currentInstance.id, {
-        type: 'info',
-        message: t('logs.messages.hotkeyDetected', {
-          combo,
-          action: t('logs.messages.hotkeyActionStart'),
-        }),
-      });
-
-      if (
-        currentInstance.isRunning ||
-        preActionControlledInstanceIdRef.current === currentInstance.id
-      ) {
+      if (isHotkey) {
         addLog(currentInstance.id, {
-          type: 'error',
-          message: t('logs.messages.hotkeyStartFailed'),
+          type: 'info',
+          message: t('logs.messages.hotkeyDetected', {
+            combo,
+            action: t('logs.messages.hotkeyActionStart'),
+          }),
         });
-        notifySettled(false);
-        return;
       }
 
       // 直接使用从 store 获取的最新 instance，避免闭包捕获旧的 selectedTasks
@@ -1654,12 +1608,12 @@ export function Toolbar({ showAddPanel, onToggleAddPanel, className }: ToolbarPr
         const success = await startTasksForInstance(currentInstance, {
           onPhaseChange: setAutoConnectPhase,
         });
-        addLog(currentInstance.id, {
-          type: success ? 'success' : 'error',
-          message: success
-            ? t('logs.messages.hotkeyStartSuccess')
-            : t('logs.messages.hotkeyStartFailed'),
-        });
+        if (isHotkey && success) {
+          addLog(currentInstance.id, {
+            type: 'success',
+            message: t('logs.messages.hotkeyStartSuccess'),
+          });
+        }
         notifySettled(success);
       } finally {
         hotkeyStartingRef.current = false;
diff --git a/src/i18n/locales/en-US.ts b/src/i18n/locales/en-US.ts
index 23570576..ded1c6e9 100644
--- a/src/i18n/locales/en-US.ts
+++ b/src/i18n/locales/en-US.ts
@@ -244,6 +244,10 @@ export default {
         'No window was previously selected. Automatically matched "{{name}}". To change, select manually in Connection Settings — your choice will be remembered next time.',
       resourceFailed: 'Resource loading failed',
       startFailed: 'Failed to start tasks',
+      alreadyRunning: 'Tasks are already running or a pre-action is still in progress',
+      taskNotFound: 'The specified task does not exist or has been deleted',
+      noRunnableTasks: 'No runnable tasks; check the task definitions and entry configuration',
+      primaryTasksIncomplete: 'Primary tasks did not finish normally; trailing tasks were skipped',
       workstationLocked: 'The computer is locked. Please unlock it before running tasks.',
       agentStartParams: 'Agent #{{index}} start params: {{cmd}}  (cwd: {{cwd}})',
       agentSpawnHintFileNotFound:
@@ -523,7 +527,6 @@ export default {
       hotkeyActionStart: 'Start tasks',
       hotkeyActionStop: 'Stop tasks',
       hotkeyStartSuccess: 'Started tasks via hotkey:',
-      hotkeyStartFailed: 'Failed to start tasks via hotkey',
       hotkeyStopSuccess: 'Stopped tasks via hotkey',
       hotkeyStopFailed: 'Failed to stop tasks via hotkey',
     },
diff --git a/src/i18n/locales/ja-JP.ts b/src/i18n/locales/ja-JP.ts
index 7dcc635e..20b2598f 100644
--- a/src/i18n/locales/ja-JP.ts
+++ b/src/i18n/locales/ja-JP.ts
@@ -238,6 +238,10 @@ export default {
         'ウィンドウが未設定のため、「{{name}}」を自動的に選択しました。変更する場合は接続設定で手動選択してください。次回以降は選択内容が保存されます。',
       resourceFailed: 'リソースの読み込みに失敗しました',
       startFailed: 'タスクの開始に失敗しました',
+      alreadyRunning: 'タスクは既に実行中か、前処理を実行しています',
+      taskNotFound: '指定されたタスクが存在しないか、削除されています',
+      noRunnableTasks: '実行可能なタスクがありません。タスク定義とエントリ設定を確認してください',
+      primaryTasksIncomplete: '前段タスクが正常に終了しなかったため、後段タスクをスキップしました',
       workstationLocked:
         'パソコンがロック画面の状態です。ロックを解除してからタスクを実行してください',
       agentStartParams: 'Agent #{{index}} 起動パラメータ: {{cmd}}  (作業ディレクトリ: {{cwd}})',
@@ -521,7 +525,6 @@ export default {
       hotkeyActionStart: 'タスク開始',
       hotkeyActionStop: 'タスク停止',
       hotkeyStartSuccess: 'ショートカットキーでタスクを開始しました：',
-      hotkeyStartFailed: 'ショートカットキーでタスクを開始できませんでした',
       hotkeyStopSuccess: 'ショートカットキーでタスクを停止しました',
       hotkeyStopFailed: 'ショートカットキーでタスクを停止できませんでした',
     },
diff --git a/src/i18n/locales/ko-KR.ts b/src/i18n/locales/ko-KR.ts
index a7a7b52f..5b25456f 100644
--- a/src/i18n/locales/ko-KR.ts
+++ b/src/i18n/locales/ko-KR.ts
@@ -235,6 +235,10 @@ export default {
         '창이 설정되지 않아 「{{name}}」을(를) 자동으로 선택했습니다. 변경하려면 연결 설정에서 수동으로 선택하세요. 다음 번에는 선택 내용이 저장됩니다.',
       resourceFailed: '리소스 로딩에 실패했습니다',
       startFailed: '작업 시작에 실패했습니다',
+      alreadyRunning: '작업이 이미 실행 중이거나 사전 작업을 실행하고 있습니다',
+      taskNotFound: '지정한 작업이 없거나 삭제되었습니다',
+      noRunnableTasks: '실행 가능한 작업이 없습니다. 작업 정의와 진입점 설정을 확인하세요',
+      primaryTasksIncomplete: '앞쪽 작업이 정상 종료되지 않아 마무리 작업을 건너뛰었습니다',
       workstationLocked: '컴퓨터가 잠금 화면 상태입니다. 잠금을 해제한 후 작업을 실행하세요',
       agentStartParams: 'Agent #{{index}} 시작 파라미터: {{cmd}}  (작업 디렉토리: {{cwd}})',
       agentSpawnHintFileNotFound:
@@ -512,7 +516,6 @@ export default {
       hotkeyActionStart: '작업 시작',
       hotkeyActionStop: '작업 중지',
       hotkeyStartSuccess: '단축키로 작업을 시작했습니다:',
-      hotkeyStartFailed: '단축키로 작업을 시작하지 못했습니다',
       hotkeyStopSuccess: '단축키로 작업을 중지했습니다',
       hotkeyStopFailed: '단축키로 작업을 중지하지 못했습니다',
     },
diff --git a/src/i18n/locales/zh-CN.ts b/src/i18n/locales/zh-CN.ts
index 7af448bd..54a84c4c 100644
--- a/src/i18n/locales/zh-CN.ts
+++ b/src/i18n/locales/zh-CN.ts
@@ -236,6 +236,10 @@ export default {
         '尚未手动选择过窗口，已自动匹配到「{{name}}」。如需更换，请在连接设置中手动选择，下次将记住您的选择。',
       resourceFailed: '资源加载失败',
       startFailed: '任务启动失败',
+      alreadyRunning: '任务已在运行或正在执行前置动作',
+      taskNotFound: '指定的任务不存在或已被删除',
+      noRunnableTasks: '没有可执行的任务，请检查任务定义和入口配置',
+      primaryTasksIncomplete: '前段任务未正常结束，已跳过收尾特殊任务',
       workstationLocked: '检测到电脑处于锁屏状态，请先解锁后再运行任务',
       agentStartParams: 'Agent #{{index}} 启动参数: {{cmd}}  (工作目录: {{cwd}})',
       agentSpawnHintFileNotFound: '请先检查 Agent 是否被杀软拦截，确认无误后重新覆盖安装。',
@@ -506,7 +510,6 @@ export default {
       hotkeyActionStart: '开始任务',
       hotkeyActionStop: '停止任务',
       hotkeyStartSuccess: '已通过快捷键开始任务：',
-      hotkeyStartFailed: '未能通过快捷键开始任务',
       hotkeyStopSuccess: '已通过快捷键停止任务',
       hotkeyStopFailed: '未能通过快捷键停止任务',
     },
diff --git a/src/i18n/locales/zh-TW.ts b/src/i18n/locales/zh-TW.ts
index e25c5b1e..38047d5c 100644
--- a/src/i18n/locales/zh-TW.ts
+++ b/src/i18n/locales/zh-TW.ts
@@ -232,6 +232,10 @@ export default {
         '尚未手動選擇過視窗，已自動匹配到「{{name}}」。如需更換，請在連接設定中手動選擇，下次將記住您的選擇。',
       resourceFailed: '資源載入失敗',
       startFailed: '任務啟動失敗',
+      alreadyRunning: '任務已在執行或正在執行前置動作',
+      taskNotFound: '指定的任務不存在或已被刪除',
+      noRunnableTasks: '沒有可執行的任務，請檢查任務定義與入口設定',
+      primaryTasksIncomplete: '前段任務未正常結束，已略過收尾特殊任務',
       workstationLocked: '偵測到電腦處於鎖定畫面狀態，請先解鎖後再執行任務',
       agentStartParams: 'Agent #{{index}} 啟動參數: {{cmd}}  (工作目錄: {{cwd}})',
       agentSpawnHintFileNotFound: '請先檢查 Agent 是否被防毒軟體攔截，確認無誤後重新覆蓋安裝。',
@@ -502,7 +506,6 @@ export default {
       hotkeyActionStart: '開始任務',
       hotkeyActionStop: '停止任務',
       hotkeyStartSuccess: '透過快捷鍵開始任務：',
-      hotkeyStartFailed: '無法透過快捷鍵開始任務',
       hotkeyStopSuccess: '透過快捷鍵停止任務',
       hotkeyStopFailed: '無法透過快捷鍵停止任務',
     },