diff --git a/webui/src/components/Log.vue b/webui/src/components/Log.vue
new file mode 100644
index 0000000..5cb7c38
--- /dev/null
+++ b/webui/src/components/Log.vue
@@ -0,0 +1,106 @@
+<template>
+  <q-card class="q-mt-md shadow-2">
+    <q-card-section class="bg-blue-grey-1">
+      <div class="text-h6 text-blue-grey-9 flex items-center gap-2">
+        <q-icon name="terminal" />
+        运行日志
+        <q-space />
+        <q-btn flat dense round icon="delete" @click="clearLog" size="sm" />
+      </div>
+    </q-card-section>
+    <q-card-section class="q-pa-none">
+      <div ref="logContainer" class="log-container">
+        <div
+          v-for="(log, index) in logs"
+          :key="index"
+          :class="['log-line', `log-${log.level}`]"
+        >
+          <span class="log-time">{{ log.time }}</span>
+          <span class="log-message">{{ log.message }}</span>
+        </div>
+      </div>
+    </q-card-section>
+  </q-card>
+</template>
+
+<script setup lang="ts">
+import { ref, nextTick } from 'vue'
+
+defineOptions({
+  name: 'LogComponent'
+})
+
+interface LogEntry {
+  level: 'info' | 'warning' | 'error' | 'debug'
+  time: string
+  message: string
+}
+
+const logs = ref<LogEntry[]>([])
+const logContainer = ref<HTMLElement | null>(null)
+
+const addLog = (level: LogEntry['level'], message: string) => {
+  const now = new Date()
+  const time = now.toLocaleTimeString('zh-CN', { hour12: false })
+
+  logs.value.push({ level, time, message })
+
+  // 自动滚动到底部
+  nextTick(() => {
+    if (logContainer.value) {
+      logContainer.value.scrollTop = logContainer.value.scrollHeight
+    }
+  })
+}
+
+const clearLog = () => {
+  logs.value = []
+}
+
+// 暴露方法给父组件
+defineExpose({
+  addLog,
+  clearLog
+})
+</script>
+
+<style scoped>
+.log-container {
+  max-height: 300px;
+  overflow-y: auto;
+  background-color: #1e1e1e;
+  color: #d4d4d4;
+  font-family: 'Consolas', 'Monaco', monospace;
+  font-size: 12px;
+  padding: 8px;
+  user-select: text;
+  cursor: text;
+}
+
+.log-line {
+  padding: 2px 0;
+  display: flex;
+  gap: 8px;
+}
+
+.log-time {
+  color: #6a9955;
+  flex-shrink: 0;
+}
+
+.log-info .log-message {
+  color: #d4d4d4;
+}
+
+.log-warning .log-message {
+  color: #dcdcaa;
+}
+
+.log-error .log-message {
+  color: #f48771;
+}
+
+.log-debug .log-message {
+  color: #9cdcfe;
+}
+</style>
diff --git a/webui/src/components/ParameterForm.vue b/webui/src/components/ParameterForm.vue
index 953a7cf..cfd928f 100644
--- a/webui/src/components/ParameterForm.vue
+++ b/webui/src/components/ParameterForm.vue
@@ -296,6 +296,9 @@
                 <p class="text-negative">{{ error }}</p>
               </q-card-section>
             </q-card>
+
+            <!-- 运行日志 -->
+            <LogComponent ref="logRef" />
           </div>
         </q-page>
       </q-page-container>
@@ -305,6 +308,7 @@
 <script setup lang="ts">
 import { ref, reactive } from 'vue'
 import type { AllParameters } from '@/types'
+import LogComponent from './Log.vue'
 
 // 默认参数
 const defaultParams: AllParameters = {
@@ -336,6 +340,7 @@ const params = reactive<AllParameters>(JSON.parse(JSON.stringify(defaultParams))
 const calculating = ref(false)
 const result = ref<string | null>(null)
 const error = ref<string | null>(null)
+const logRef = ref<InstanceType<typeof LogComponent> | null>(null)
 
 // 数组操作函数
 const addHArm = () => {
@@ -379,11 +384,32 @@ const calculate = async () => {
   try {
     // 调用 pywebview 的 Python 函数
     if (window.pywebview) {
+      logRef.value?.addLog('info', '开始调用后端计算...')
       const response = await window.pywebview.api.calculate(params)
+      logRef.value?.addLog('info', `后端返回 keys: ${Object.keys(response).join(', ')}`)
+      logRef.value?.addLog('info', `DEBUG_VERSION: ${response.DEBUG_VERSION || '无'}`)
+      logRef.value?.addLog('info', `后端返回: ${JSON.stringify(response).substring(0, 150)}`)
+
+      // 显示日志
+      console.log('[DEBUG] response:', response)
+      const logs = response.logs
+      if (Array.isArray(logs) && logs.length > 0) {
+        logRef.value?.addLog('info', `收到 ${logs.length} 条日志`)
+        for (const log of logs) {
+          logRef.value?.addLog(log.level as any, log.message)
+        }
+      } else {
+        logRef.value?.addLog('warning', '后端未返回日志')
+        logRef.value?.addLog('warning', `response.logs = ${JSON.stringify(logs)}`)
+      }
+
       result.value = JSON.stringify(response, null, 2)
     } else {
       // 开发模式下的模拟
       await new Promise(resolve => setTimeout(resolve, 1000))
+      logRef.value?.addLog('info', '开始 EGM 计算（开发模式）...')
+      logRef.value?.addLog('info', '参数: 额定电压=750kV, 雷暴日=20d, 海拔=1000m')
+      logRef.value?.addLog('info', '计算完成')
       result.value = JSON.stringify({
         success: true,
         message: '计算完成（开发模式）',
@@ -395,6 +421,7 @@ const calculate = async () => {
     }
   } catch (e: any) {
     error.value = e.message || '计算失败'
+    logRef.value?.addLog('error', e.message || '计算失败')
   } finally {
     calculating.value = false
   }
diff --git a/webui/tsconfig.json b/webui/tsconfig.json
index 9f18dec..4e5ea1b 100644
--- a/webui/tsconfig.json
+++ b/webui/tsconfig.json
@@ -1 +1,25 @@
-{"compilerOptions": {"target": "ES2020", "useDefineForClassFields": true, "module": "ESNext", "lib": ["ES2020", "DOM", "DOM.Iterable"], "skipLibCheck": true, "moduleResolution": "bundler", "allowImportingTsExtensions": true, "resolveJsonModule": true, "isolatedModules": true, "noEmit": true, "jsx": "preserve", "strict": true, "noUnusedLocals": true, "noUnusedParameters": true, "noFallthroughCasesInSwitch": true}, "include": ["src/**/*.ts", "src/**/*.d.ts", "src/**/*.tsx", "src/**/*.vue"], "references": [{"path": "./tsconfig.node.json"}]}
\ No newline at end of file
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "module": "ESNext",
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "skipLibCheck": true,
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "preserve",
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["src/*"]
+    }
+  },
+  "include": ["src/**/*.ts", "src/**/*.d.ts", "src/**/*.tsx", "src/**/*.vue"],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}
diff --git a/webview_app.py b/webview_app.py
index 94c35d0..0df6908 100644
--- a/webview_app.py
+++ b/webview_app.py
@@ -8,7 +8,8 @@ import sys
 import json
 import math
 from pathlib import Path
-from typing import Dict, Any
+from typing import Dict, Any, List
+from datetime import datetime
 import webview
 from loguru import logger
 
@@ -26,11 +27,46 @@ from core import (
 import numpy as np
 
 
+class WebHandler:
+    """Web日志处理器"""
+    def __init__(self, callback=None):
+        self.callback = callback
+        self.logs: List[Dict[str, str]] = []
+
+    def write(self, message):
+        if message.strip():
+            log_entry = {
+                "level": "info",
+                "time": datetime.now().strftime("%H:%M:%S"),
+                "message": message.strip()
+            }
+            self.logs.append(log_entry)
+            if self.callback:
+                self.callback(log_entry)
+
+
 class EGMWebApp:
     """EGM 计算程序的 Web 界面后端"""
 
     def __init__(self):
         self.window = None
+        self.web_handler = None
+        self.logs: List[Dict[str, str]] = []
+
+    def add_log(self, level: str, message: str):
+        """添加日志"""
+        log_entry = {
+            "level": level,
+            "time": datetime.now().strftime("%H:%M:%S"),
+            "message": message
+        }
+        self.logs.append(log_entry)
+
+    def get_logs(self) -> List[Dict[str, str]]:
+        """获取日志列表"""
+        logs = self.logs.copy()
+        self.logs = []
+        return logs
 
     def calculate(self, params: Dict[str, Any]) -> Dict[str, Any]:
         """
@@ -42,9 +78,10 @@ class EGMWebApp:
         Returns:
             计算结果字典
         """
-        try:
-            logger.info("开始 EGM 计算...")
+        self.logs = []  # 清空日志
+        self.add_log("info", "开始 EGM 计算...")
 
+        try:
             # 解析参数
             parameter_data = params.get('parameter', {})
             advance_data = params.get('advance', {})
@@ -73,27 +110,54 @@ class EGMWebApp:
             para.voltage_n = int(optional_data.get('voltage_n', 3))
             para.max_i = float(optional_data.get('max_i', 200))
 
-            logger.info(f"参数: 额定电压={para.rated_voltage}kV, 雷暴日={para.td}d, 海拔={para.altitude}m")
+            self.add_log("info", f"参数: 额定电压={para.rated_voltage}kV, 雷暴日={para.td}d, 海拔={para.altitude}m")
+
+            logger.info("开始执行 _do_calculate...")
 
             # 执行实际计算
+            self.add_log("info", "EGM 计算中...")
             result = self._do_calculate()
 
-            logger.info("EGM 计算完成")
-            return result
+            # 调试输出
+            logger.info(f"_do_calculate 返回 keys: {list(result.keys())}")
+            logger.info(f"日志列表: {self.logs}")
+
+            # 将日志添加到结果中（在返回之前添加最后一条日志）
+            self.add_log("info", "EGM 计算完成")
+
+            # 创建一个新的返回值，确保 logs 字段被包含
+            final_result = {
+                "success": result.get("success", True),
+                "message": result.get("message", "计算完成"),
+                "data": result.get("data", {}),
+                "logs": self.logs,
+                "DEBUG_VERSION": "v2"  # 标记版本
+            }
+
+            logger.info(f"最终返回结果 keys: {list(final_result.keys())}")
+            logger.info(f"日志数量: {len(self.logs)}")
+            logger.info(f"DEBUG: self.logs = {self.logs}")
+
+            return final_result
 
         except Exception as e:
-            logger.error(f"计算失败: {str(e)}")
+            self.add_log("error", f"计算失败: {str(e)}")
             import traceback
             traceback.print_exc()
             return {
                 "success": False,
                 "message": f"计算失败: {str(e)}",
-                "error": str(e)
+                "error": str(e),
+                "logs": self.logs
             }
 
     def _do_calculate(self) -> Dict[str, Any]:
         """执行实际的EGM计算"""
-        h_whole = para.h_arm[0]
+        try:
+            h_whole = para.h_arm[0]
+        except Exception as e:
+            self.add_log("error", f"获取参数失败: {str(e)}")
+            raise
         string_g_len = para.string_g_len
         string_c_len = para.string_c_len
         h_g_sag = para.h_g_sag
@@ -123,7 +187,7 @@ class EGMWebApp:
         results = []
 
         for ground_angel in ground_angels:
-            logger.info(f"地面倾角 {ground_angel / math.pi * 180:.3f}°")
+            self.add_log("info", f"地面倾角 {ground_angel / math.pi * 180:.3f}°")
             rg_type = None
             rg_x = None
             rg_y = None
@@ -205,11 +269,11 @@ class EGMWebApp:
                         if min_distance_intersection < 0.1:
                             break
 
-                    logger.info(f"最大电流为 {i_max:.2f}, 最小电流为 {i_min:.2f}")
+                    self.add_log("info", f"最大电流为 {i_max:.2f}, 最小电流为 {i_min:.2f}")
 
                     curt_fineness = 0.1
                     if i_min > i_max or abs(i_min - i_max) < curt_fineness:
-                        logger.info("最大电流小于等于最小电流，没有暴露弧。")
+                        self.add_log("info", "最大电流小于等于最小电流，没有暴露弧。")
                         continue
 
                     curt_segment_n = int((i_max - i_min) / curt_fineness)
@@ -249,7 +313,7 @@ class EGMWebApp:
                     avr_n_sf += n_sf / voltage_n
                     n_sf_phases[phase_conductor_foo][u_bar] = n_sf
 
-                    logger.info(f"相{phase_conductor_foo + 1}, 跳闸率: {n_sf:.16f} 次/(100km·a)")
+                    self.add_log("info", f"相{phase_conductor_foo + 1}, 跳闸率: {n_sf:.16f} 次/(100km·a)")
 
             result = {
                 "ground_angle": f"{ground_angel / math.pi * 180:.3f}°",