diff --git a/static/main.js b/static/main.js
index fbf61ff..5015c34 100644
--- a/static/main.js
+++ b/static/main.js
@@ -5,7 +5,7 @@ function createTask() {
     const prompt = promptInput.value.trim();
     
     if (!prompt) {
-        alert("请输入有效的提示内容");
+        alert("Please enter a valid prompt");
         promptInput.focus();
         return;
     }
@@ -16,7 +16,7 @@ function createTask() {
     }
 
     const container = document.getElementById('task-container');
-    container.innerHTML = '<div class="loading">任务初始化中...</div>';
+    container.innerHTML = '<div class="loading">Initializing task...</div>';
     document.getElementById('input-container').classList.add('bottom');
 
     fetch('/tasks', {
@@ -28,20 +28,20 @@ function createTask() {
     })
     .then(response => {
         if (!response.ok) {
-            return response.json().then(err => { throw new Error(err.detail || '请求失败') });
+            return response.json().then(err => { throw new Error(err.detail || 'Request failed') });
         }
         return response.json();
     })
     .then(data => {
         if (!data.task_id) {
-            throw new Error('无效的任务ID');
+            throw new Error('Invalid task ID');
         }
         setupSSE(data.task_id);
         loadHistory();
     })
     .catch(error => {
-        container.innerHTML = `<div class="error">错误: ${error.message}</div>`;
-        console.error('创建任务失败:', error);
+        container.innerHTML = `<div class="error">Error: ${error.message}</div>`;
+        console.error('Failed to create task:', error);
     });
 }
 
@@ -49,13 +49,13 @@ function setupSSE(taskId) {
     let retryCount = 0;
     const maxRetries = 3;
     const retryDelay = 2000;
-    
+
     function connect() {
         const eventSource = new EventSource(`/tasks/${taskId}/events`);
         currentEventSource = eventSource;
 
         const container = document.getElementById('task-container');
-        
+
         let heartbeatTimer = setInterval(() => {
             container.innerHTML += '<div class="ping">·</div>';
         }, 5000);
@@ -67,13 +67,13 @@ function setupSSE(taskId) {
                     updateTaskStatus(task);
                 })
                 .catch(error => {
-                    console.error('轮询失败:', error);
+                    console.error('Polling failed:', error);
                 });
         }, 10000);
 
     if (!eventSource._listenersAdded) {
         eventSource._listenersAdded = true;
-        
+
         let lastResultContent = '';
         eventSource.addEventListener('status', (event) => {
             clearInterval(heartbeatTimer);
@@ -92,9 +92,9 @@ function setupSSE(taskId) {
                     stepContainer = container.querySelector('.step-container');
                 }
 
-                // 保存result内容
+                // Save result content
                 if (data.steps && data.steps.length > 0) {
-                    // 遍历所有步骤，找到最后一个result类型
+                    // Iterate through all steps, find the last result type
                     for (let i = data.steps.length - 1; i >= 0; i--) {
                         if (data.steps[i].type === 'result') {
                             lastResultContent = data.steps[i].result;
@@ -116,24 +116,24 @@ function setupSSE(taskId) {
                         </div>
                     `;
                 }).join('');
-                
+
                 // Auto-scroll to bottom
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
             } catch (e) {
-                console.error('状态更新失败:', e);
+                console.error('Status update failed:', e);
             }
         });
 
-        // 添加对think事件的处理
+        // Add handler for think event
         eventSource.addEventListener('think', (event) => {
             clearInterval(heartbeatTimer);
             try {
                 const data = JSON.parse(event.data);
                 container.querySelector('.loading')?.remove();
-                
+
                 let stepContainer = container.querySelector('.step-container');
                 if (!stepContainer) {
                     container.innerHTML = '<div class="step-container"></div>';
@@ -142,7 +142,7 @@ function setupSSE(taskId) {
 
                 const content = data.result;
                 const timestamp = new Date().toLocaleTimeString();
-                
+
                 const step = document.createElement('div');
                 step.className = 'step-item think';
                 step.innerHTML = `
@@ -151,34 +151,34 @@ function setupSSE(taskId) {
                         <pre>${content}</pre>
                     </div>
                 `;
-                
+
                 stepContainer.appendChild(step);
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
 
-                // 更新任务状态
+                // Update task status
                 fetch(`/tasks/${taskId}`)
                     .then(response => response.json())
                     .then(task => {
                         updateTaskStatus(task);
                     })
                     .catch(error => {
-                        console.error('状态更新失败:', error);
+                        console.error('Status update failed:', error);
                     });
             } catch (e) {
-                console.error('思考事件处理失败:', e);
+                console.error('Think event handling failed:', e);
             }
         });
 
-        // 添加对tool事件的处理
+        // Add handler for tool event
         eventSource.addEventListener('tool', (event) => {
             clearInterval(heartbeatTimer);
             try {
                 const data = JSON.parse(event.data);
                 container.querySelector('.loading')?.remove();
-                
+
                 let stepContainer = container.querySelector('.step-container');
                 if (!stepContainer) {
                     container.innerHTML = '<div class="step-container"></div>';
@@ -187,7 +187,7 @@ function setupSSE(taskId) {
 
                 const content = data.result;
                 const timestamp = new Date().toLocaleTimeString();
-                
+
                 const step = document.createElement('div');
                 step.className = 'step-item tool';
                 step.innerHTML = `
@@ -196,34 +196,34 @@ function setupSSE(taskId) {
                         <pre>${content}</pre>
                     </div>
                 `;
-                
+
                 stepContainer.appendChild(step);
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
 
-                // 更新任务状态
+                // Update task status
                 fetch(`/tasks/${taskId}`)
                     .then(response => response.json())
                     .then(task => {
                         updateTaskStatus(task);
                     })
                     .catch(error => {
-                        console.error('状态更新失败:', error);
+                        console.error('Status update failed:', error);
                     });
             } catch (e) {
-                console.error('工具事件处理失败:', e);
+                console.error('Tool event handling failed:', e);
             }
         });
 
-        // 添加对act事件的处理
+        // Add handler for act event
         eventSource.addEventListener('act', (event) => {
             clearInterval(heartbeatTimer);
             try {
                 const data = JSON.parse(event.data);
                 container.querySelector('.loading')?.remove();
-                
+
                 let stepContainer = container.querySelector('.step-container');
                 if (!stepContainer) {
                     container.innerHTML = '<div class="step-container"></div>';
@@ -232,7 +232,7 @@ function setupSSE(taskId) {
 
                 const content = data.result;
                 const timestamp = new Date().toLocaleTimeString();
-                
+
                 const step = document.createElement('div');
                 step.className = 'step-item act';
                 step.innerHTML = `
@@ -241,35 +241,34 @@ function setupSSE(taskId) {
                         <pre>${content}</pre>
                     </div>
                 `;
-                
+
                 stepContainer.appendChild(step);
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
 
-                // 更新任务状态
+                // Update task status
                 fetch(`/tasks/${taskId}`)
                     .then(response => response.json())
                     .then(task => {
                         updateTaskStatus(task);
                     })
                     .catch(error => {
-                        console.error('状态更新失败:', error);
+                        console.error('Status update failed:', error);
                     });
             } catch (e) {
-                console.error('执行事件处理失败:', e);
+                console.error('Act event handling failed:', e);
             }
         });
 
-        // 添加对run事件的处理
-        // 添加对log事件的处理
+        // Add handler for log event
         eventSource.addEventListener('log', (event) => {
             clearInterval(heartbeatTimer);
             try {
                 const data = JSON.parse(event.data);
                 container.querySelector('.loading')?.remove();
-                
+
                 let stepContainer = container.querySelector('.step-container');
                 if (!stepContainer) {
                     container.innerHTML = '<div class="step-container"></div>';
@@ -278,7 +277,7 @@ function setupSSE(taskId) {
 
                 const content = data.result;
                 const timestamp = new Date().toLocaleTimeString();
-                
+
                 const step = document.createElement('div');
                 step.className = 'step-item log';
                 step.innerHTML = `
@@ -287,24 +286,24 @@ function setupSSE(taskId) {
                         <pre>${content}</pre>
                     </div>
                 `;
-                
+
                 stepContainer.appendChild(step);
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
 
-                // 更新任务状态
+                // Update task status
                 fetch(`/tasks/${taskId}`)
                     .then(response => response.json())
                     .then(task => {
                         updateTaskStatus(task);
                     })
                     .catch(error => {
-                        console.error('状态更新失败:', error);
+                        console.error('Status update failed:', error);
                     });
             } catch (e) {
-                console.error('日志事件处理失败:', e);
+                console.error('Log event handling failed:', e);
             }
         });
 
@@ -313,7 +312,7 @@ function setupSSE(taskId) {
             try {
                 const data = JSON.parse(event.data);
                 container.querySelector('.loading')?.remove();
-                
+
                 let stepContainer = container.querySelector('.step-container');
                 if (!stepContainer) {
                     container.innerHTML = '<div class="step-container"></div>';
@@ -322,7 +321,7 @@ function setupSSE(taskId) {
 
                 const content = data.result;
                 const timestamp = new Date().toLocaleTimeString();
-                
+
                 const step = document.createElement('div');
                 step.className = 'step-item run';
                 step.innerHTML = `
@@ -331,24 +330,24 @@ function setupSSE(taskId) {
                         <pre>${content}</pre>
                     </div>
                 `;
-                
+
                 stepContainer.appendChild(step);
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
 
-                // 更新任务状态
+                // Update task status
                 fetch(`/tasks/${taskId}`)
                     .then(response => response.json())
                     .then(task => {
                         updateTaskStatus(task);
                     })
                     .catch(error => {
-                        console.error('状态更新失败:', error);
+                        console.error('Status update failed:', error);
                     });
             } catch (e) {
-                console.error('运行事件处理失败:', e);
+                console.error('Run event handling failed:', e);
             }
         });
 
@@ -363,35 +362,35 @@ function setupSSE(taskId) {
                     container.innerHTML = '<div class="step-container"></div>';
                     stepContainer = container.querySelector('.step-container');
                 }
-                
+
                 // Create new step element
                 const step = document.createElement('div');
                 step.className = `step-item ${data.type || 'step'}`;
-                
+
                 // Format content and timestamp
                 const content = data.result;
                 const timestamp = new Date().toLocaleTimeString();
-                
+
                 step.innerHTML = `
                     <div class="log-line ${data.type || 'info'}">
                         <span class="log-prefix">${getEventIcon(data.type)} [${timestamp}] ${getEventLabel(data.type)}:</span>
                         <pre>${content}</pre>
                     </div>
                 `;
-            
+
                 // Add step to container with animation
                 stepContainer.prepend(step);
                 setTimeout(() => {
                     step.classList.add('show');
                 }, 10);
-                
+
                 // Auto-scroll to bottom
                 container.scrollTo({
                     top: container.scrollHeight,
                     behavior: 'smooth'
                 });
             } catch (e) {
-                console.error('消息处理失败:', e);
+                console.error('Message handling failed:', e);
             }
         });
 
@@ -403,13 +402,13 @@ function setupSSE(taskId) {
             clearInterval(pollInterval);
             container.innerHTML += `
                 <div class="complete">
-                    <div>✅ 任务完成</div>
+                    <div>✅ Task completed</div>
                     <pre>${lastResultContent}</pre>
                 </div>
             `;
             eventSource.close();
             currentEventSource = null;
-            lastResultContent = ''; // 清空结果内容
+            lastResultContent = ''; // Clear result content
         });
 
         eventSource.addEventListener('error', (event) => {
@@ -419,17 +418,17 @@ function setupSSE(taskId) {
                 const data = JSON.parse(event.data);
                 container.innerHTML += `
                     <div class="error">
-                        ❌ 错误: ${data.message}
+                        ❌ Error: ${data.message}
                     </div>
                 `;
                 eventSource.close();
                 currentEventSource = null;
             } catch (e) {
-                console.error('错误处理失败:', e);
+                console.error('Error handling failed:', e);
             }
         });
     }
-            
+
     container.scrollTo({
         top: container.scrollHeight,
         behavior: 'smooth'
@@ -439,30 +438,30 @@ function setupSSE(taskId) {
             if (isTaskComplete) {
                 return;
             }
-            
-            console.error('SSE连接错误:', err);
+
+            console.error('SSE connection error:', err);
             clearInterval(heartbeatTimer);
             clearInterval(pollInterval);
             eventSource.close();
-            
+
             if (retryCount < maxRetries) {
                 retryCount++;
                 container.innerHTML += `
                     <div class="warning">
-                        ⚠ 连接中断，${retryDelay/1000}秒后重试 (${retryCount}/${maxRetries})...
+                        ⚠ Connection lost, retrying in ${retryDelay/1000} seconds (${retryCount}/${maxRetries})...
                     </div>
                 `;
                 setTimeout(connect, retryDelay);
             } else {
                 container.innerHTML += `
                     <div class="error">
-                        ⚠ 连接中断，请尝试刷新页面
+                        ⚠ Connection lost, please try refreshing the page
                     </div>
                 `;
             }
         };
     }
-    
+
     connect();
 }
 
@@ -474,112 +473,223 @@ function getEventIcon(eventType) {
         case 'result': return '🏁';
         case 'error': return '❌';
         case 'complete': return '✅';
-        case 'warning': return '⚠️';
         case 'log': return '📝';
-        default: return '⚡';
+        case 'run': return '⚙️';
+        default: return 'ℹ️';
     }
 }
 
 function getEventLabel(eventType) {
     switch(eventType) {
-        case 'think': return '思考';
-        case 'tool': return '工具执行';
-        case 'act': return '执行';
-        case 'result': return '结果';
-        case 'error': return '错误';
-        case 'complete': return '完成';
-        case 'warning': return '警告';
-        case 'log': return '日志';
-        default: return '步骤';
+        case 'think': return 'Thinking';
+        case 'tool': return 'Using Tool';
+        case 'act': return 'Action';
+        case 'result': return 'Result';
+        case 'error': return 'Error';
+        case 'complete': return 'Complete';
+        case 'log': return 'Log';
+        case 'run': return 'Running';
+        default: return 'Info';
     }
 }
 
-function formatContent(content) {
-    // Remove timestamp and log level prefixes
-    content = content.replace(/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{3} \| [A-Z]+\s*\| /gm, '');
-    // Format the remaining content
-    return content
-        .replace(/\n/g, '<br>')
-        .replace(/  /g, '&nbsp;&nbsp;')
-        .replace(/✨ Manus's thoughts:/g, '')
-        .replace(/🛠️ Manus selected/g, '')
-        .replace(/🧰 Tools being prepared:/g, '')
-        .replace(/🔧 Activating tool:/g, '')
-        .replace(/🎯 Tool/g, '')
-        .replace(/📝 Oops!/g, '')
-        .replace(/🏁 Special tool/g, '');
-}
-
 function updateTaskStatus(task) {
-    const taskCard = document.querySelector(`.task-card[data-task-id="${task.id}"]`);
-    if (taskCard) {
-        const statusEl = taskCard.querySelector('.task-meta .status');
-        if (statusEl) {
-            statusEl.className = `status-${task.status ? task.status.toLowerCase() : 'unknown'}`;
-            statusEl.textContent = task.status || '未知状态';
-        }
+    const statusBar = document.getElementById('status-bar');
+    if (!statusBar) return;
+
+    if (task.status === 'completed') {
+        statusBar.innerHTML = `<span class="status-complete">✅ Task completed</span>`;
+    } else if (task.status === 'failed') {
+        statusBar.innerHTML = `<span class="status-error">❌ Task failed: ${task.error || 'Unknown error'}</span>`;
+    } else {
+        statusBar.innerHTML = `<span class="status-running">⚙️ Task running: ${task.status}</span>`;
     }
 }
 
 function loadHistory() {
     fetch('/tasks')
-    .then(response => {
-        if (!response.ok) {
-            return response.text().then(text => {
-                throw new Error(`请求失败: ${response.status} - ${text.substring(0, 100)}`);
+        .then(response => {
+            if (!response.ok) {
+                throw new Error('Failed to load history');
+            }
+            return response.json();
+        })
+        .then(tasks => {
+            const historyContainer = document.getElementById('history-container');
+            if (!historyContainer) return;
+
+            historyContainer.innerHTML = '';
+
+            if (tasks.length === 0) {
+                historyContainer.innerHTML = '<div class="history-empty">No recent tasks</div>';
+                return;
+            }
+
+            const historyList = document.createElement('div');
+            historyList.className = 'history-list';
+
+            tasks.forEach(task => {
+                const taskItem = document.createElement('div');
+                taskItem.className = `history-item ${task.status}`;
+                taskItem.innerHTML = `
+                    <div class="history-prompt">${task.prompt}</div>
+                    <div class="history-meta">
+                        <span class="history-time">${new Date(task.created_at).toLocaleString()}</span>
+                        <span class="history-status">${getStatusIcon(task.status)}</span>
+                    </div>
+                `;
+                taskItem.addEventListener('click', () => {
+                    loadTask(task.id);
+                });
+                historyList.appendChild(taskItem);
             });
-        }
-        return response.json();
-    })
-    .then(tasks => {
-        const listContainer = document.getElementById('task-list');
-        listContainer.innerHTML = tasks.map(task => `
-            <div class="task-card" data-task-id="${task.id}">
-                <div>${task.prompt}</div>
-                <div class="task-meta">
-                    ${new Date(task.created_at).toLocaleString()} - 
-                    <span class="status status-${task.status ? task.status.toLowerCase() : 'unknown'}">
-                        ${task.status || '未知状态'}
-                    </span>
-                </div>
-            </div>
-        `).join('');
-    })
-    .catch(error => {
-        console.error('加载历史记录失败:', error);
-        const listContainer = document.getElementById('task-list');
-        listContainer.innerHTML = `<div class="error">加载失败: ${error.message}</div>`;
-    });
+
+            historyContainer.appendChild(historyList);
+        })
+        .catch(error => {
+            console.error('Failed to load history:', error);
+            const historyContainer = document.getElementById('history-container');
+            if (historyContainer) {
+                historyContainer.innerHTML = `<div class="error">Failed to load history: ${error.message}</div>`;
+            }
+        });
 }
 
-document.addEventListener('DOMContentLoaded', function() {
+function getStatusIcon(status) {
+    switch(status) {
+        case 'completed': return '✅';
+        case 'failed': return '❌';
+        case 'running': return '⚙️';
+        default: return '⏳';
+    }
+}
+
+function loadTask(taskId) {
+    if (currentEventSource) {
+        currentEventSource.close();
+        currentEventSource = null;
+    }
+
+    const container = document.getElementById('task-container');
+    container.innerHTML = '<div class="loading">Loading task...</div>';
+    document.getElementById('input-container').classList.add('bottom');
+
+    fetch(`/tasks/${taskId}`)
+        .then(response => {
+            if (!response.ok) {
+                throw new Error('Failed to load task');
+            }
+            return response.json();
+        })
+        .then(task => {
+            if (task.status === 'running') {
+                setupSSE(taskId);
+            } else {
+                displayTask(task);
+            }
+        })
+        .catch(error => {
+            console.error('Failed to load task:', error);
+            container.innerHTML = `<div class="error">Failed to load task: ${error.message}</div>`;
+        });
+}
+
+function displayTask(task) {
+    const container = document.getElementById('task-container');
+    container.innerHTML = '';
+    container.classList.add('active');
+
     const welcomeMessage = document.querySelector('.welcome-message');
     if (welcomeMessage) {
-        welcomeMessage.style.display = 'flex';
+        welcomeMessage.style.display = 'none';
     }
-    
-    // 监听任务容器显示状态
-    const taskContainer = document.getElementById('task-container');
-    if (taskContainer) {
-        const observer = new MutationObserver((mutations) => {
-            mutations.forEach(mutation => {
-                if (mutation.attributeName === 'class') {
-                    const welcomeMessage = document.querySelector('.welcome-message');
-                    if (taskContainer.classList.contains('active')) {
-                        if (welcomeMessage) {
-                            welcomeMessage.style.display = 'none';
-                        }
-                    } else {
-                        if (welcomeMessage) {
-                            welcomeMessage.style.display = 'block';
-                        }
-                    }
-                }
-            });
+
+    const stepContainer = document.createElement('div');
+    stepContainer.className = 'step-container';
+
+    if (task.steps && task.steps.length > 0) {
+        task.steps.forEach(step => {
+            const stepItem = document.createElement('div');
+            stepItem.className = `step-item ${step.type || 'step'}`;
+
+            const content = step.result;
+            const timestamp = new Date(step.timestamp || task.created_at).toLocaleTimeString();
+
+            stepItem.innerHTML = `
+                <div class="log-line">
+                    <span class="log-prefix">${getEventIcon(step.type)} [${timestamp}] ${getEventLabel(step.type)}:</span>
+                    <pre>${content}</pre>
+                </div>
+            `;
+
+            stepContainer.appendChild(stepItem);
         });
-        
-        observer.observe(taskContainer, {
-            attributes: true
+    } else {
+        stepContainer.innerHTML = '<div class="no-steps">No steps recorded for this task</div>';
+    }
+
+    container.appendChild(stepContainer);
+
+    if (task.status === 'completed') {
+        let lastResultContent = '';
+        if (task.steps && task.steps.length > 0) {
+            for (let i = task.steps.length - 1; i >= 0; i--) {
+                if (task.steps[i].type === 'result') {
+                    lastResultContent = task.steps[i].result;
+                    break;
+                }
+            }
+        }
+
+        container.innerHTML += `
+            <div class="complete">
+                <div>✅ Task completed</div>
+                <pre>${lastResultContent}</pre>
+            </div>
+        `;
+    } else if (task.status === 'failed') {
+        container.innerHTML += `
+            <div class="error">
+                ❌ Error: ${task.error || 'Unknown error'}
+            </div>
+        `;
+    }
+
+    updateTaskStatus(task);
+}
+
+// Initialize the app when the DOM is loaded
+document.addEventListener('DOMContentLoaded', () => {
+    loadHistory();
+
+    // Set up event listeners
+    document.getElementById('create-task-btn').addEventListener('click', createTask);
+    document.getElementById('prompt-input').addEventListener('keydown', (e) => {
+        if (e.key === 'Enter' && !e.shiftKey) {
+            e.preventDefault();
+            createTask();
+        }
+    });
+
+    // Show history button functionality
+    const historyToggle = document.getElementById('history-toggle');
+    if (historyToggle) {
+        historyToggle.addEventListener('click', () => {
+            const historyPanel = document.getElementById('history-panel');
+            if (historyPanel) {
+                historyPanel.classList.toggle('open');
+                historyToggle.classList.toggle('active');
+            }
+        });
+    }
+
+    // Clear button functionality
+    const clearButton = document.getElementById('clear-btn');
+    if (clearButton) {
+        clearButton.addEventListener('click', () => {
+            document.getElementById('prompt-input').value = '';
+            document.getElementById('prompt-input').focus();
         });
     }
 });
+