diff --git a/webui/src/components/Log.vue b/webui/src/components/Log.vue
index e8260c0..cbe3878 100644
--- a/webui/src/components/Log.vue
+++ b/webui/src/components/Log.vue
@@ -67,11 +67,17 @@ const clearLog = () => {
   logs.value = []
 }
 
+// 获取日志文本
+const getLogsText = (): string => {
+  return logs.value.map(log => `[${log.time}] [${log.level.toUpperCase()}] ${log.message}`).join('\n')
+}
+
 // 暴露方法给父组件
 defineExpose({
   addLog,
   clearLog,
-  lastTripRates
+  lastTripRates,
+  getLogsText
 })
 </script>
 
diff --git a/webui/src/components/ParameterForm.vue b/webui/src/components/ParameterForm.vue
index c8d28b6..561c271 100644
--- a/webui/src/components/ParameterForm.vue
+++ b/webui/src/components/ParameterForm.vue
@@ -287,6 +287,14 @@
                 @click="exportConfig"
                 class="px-8"
               />
+              <q-btn
+                color="grey"
+                size="lg"
+                label="导出日志"
+                icon="description"
+                @click="exportLog"
+                class="px-8"
+              />
             </div>
 
             <!-- 隐藏的文件输入 -->
@@ -585,6 +593,40 @@ const parseToml = (tomlStr: string): any => {
   return result
 }
 
+// 导出日志
+const exportLog = async () => {
+  try {
+    const logText = logRef.value?.getLogsText() || ''
+    if (!logText) {
+      logRef.value?.addLog('warning', '暂无日志可导出')
+      return
+    }
+
+    if (window.pywebview) {
+      const response = await window.pywebview.api.export_log(logText)
+      if (response.success) {
+        logRef.value?.addLog('info', response.message)
+      } else {
+        logRef.value?.addLog('warning', response.message)
+      }
+    } else {
+      // 开发模式下的模拟
+      logRef.value?.addLog('info', '导出日志（开发模式，直接下载）')
+      const blob = new Blob([logText], { type: 'text/plain' })
+      const url = URL.createObjectURL(blob)
+      const a = document.createElement('a')
+      a.href = url
+      const timestamp = new Date().toISOString().slice(0, 19).replace(/[:-]/g, '')
+      a.download = `egm_log_${timestamp}.txt`
+      a.click()
+      URL.revokeObjectURL(url)
+    }
+  } catch (e: any) {
+    error.value = e.message || '导出日志失败'
+    logRef.value?.addLog('error', e.message || '导出日志失败')
+  }
+}
+
 // 导出配置
 const exportConfig = async () => {
   try {
@@ -659,6 +701,7 @@ declare global {
       api: {
         calculate: (params: AllParameters) => Promise<any>
         export_config: (params: AllParameters) => Promise<any>
+        export_log: (logText: string) => Promise<any>
       }
     }
     addLogFromBackend?: (log: { level: string; time: string; message: string }) => void
diff --git a/webview_app.py b/webview_app.py
index 3267d03..c76ae51 100644
--- a/webview_app.py
+++ b/webview_app.py
@@ -348,6 +348,53 @@ class EGMWebApp:
                 "message": f"保存失败: {str(e)}"
             }
 
+    def export_log(self, log_text: str) -> Dict[str, Any]:
+        """
+        导出日志为 TXT 文件，弹出保存对话框
+
+        Args:
+            log_text: 日志文本内容
+
+        Returns:
+            包含保存状态和路径的字典
+        """
+        try:
+            # 生成默认文件名
+            timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
+            default_filename = f'egm_log_{timestamp}.txt'
+            
+            # 打开保存文件对话框
+            result = self.window.create_file_dialog(
+                webview.SAVE_DIALOG,
+                directory='',
+                save_filename=default_filename,
+                file_types=('Text Files (*.txt)', 'All files (*.*)')
+            )
+            
+            if result and len(result) > 0:
+                file_path = result[0]
+                
+                # 写入文件
+                with open(file_path, 'w', encoding='utf-8') as f:
+                    f.write(log_text)
+                
+                return {
+                    "success": True,
+                    "message": f"日志已保存到: {file_path}",
+                    "file_path": file_path
+                }
+            else:
+                return {
+                    "success": False,
+                    "message": "用户取消了保存操作"
+                }
+        except Exception as e:
+            logger.error(f"导出日志失败: {str(e)}")
+            return {
+                "success": False,
+                "message": f"保存失败: {str(e)}"
+            }
+
     def get_default_config(self) -> Dict[str, Any]:
         """
         获取默认配置