fix: 初始化时不显示日期范围变化提示

feat: 重构AI推荐功能并优化爬虫基础URL
重构前端AI推荐组件，移除本地过滤逻辑，改为从后端获取日期范围内的数据新增AI服务模块，包含Prompt和推荐逻辑为投标服务添加按日期范围查询接口统一各爬虫服务的baseURL格式
2026-01-12 19:02:46 +08:00 · 2026-01-12 18:59:17 +08:00 · 2026-01-12 18:36:08 +08:00 · 2026-01-12 15:52:58 +08:00
29 changed files with 520 additions and 196 deletions
--- a/.env
+++ b/.env
@@ -12,3 +12,6 @@ PROXY_PORT=3211

 # 日志级别（可选）：error, warn, info, debug, verbose
 LOG_LEVEL=info
+
+# OpenAI API Key (用于 AI 推荐)
+ARK_API_KEY=a63d58b6-cf56-434b-8a42-5c781ba0822a
--- a/.env.example
+++ b/.env.example
@@ -14,3 +14,6 @@ PROXY_PORT=6000

 # 日志级别（可选）：error, warn, info, debug, verbose
 LOG_LEVEL=info
+
+# OpenAI API Key (用于 AI 推荐)
+ARK_API_KEY=your_openai_api_key_here
--- a/frontend/.env
+++ b/frontend/.env
@@ -0,0 +1,2 @@
+# ARK API Key (用于 AI 推荐)
+VITE_ARK_API_KEY=a63d58b6-cf56-434b-8a42-5c781ba0822a
--- a/frontend/.env.example
+++ b/frontend/.env.example
@@ -0,0 +1,2 @@
+# OpenAI API Key (用于 AI 推荐)
+VITE_OPENAI_API_KEY=your_openai_api_key_here
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -12,6 +12,7 @@
    "@element-plus/icons-vue": "^2.3.2",
    "axios": "^1.13.2",
    "element-plus": "^2.13.1",
+    "openai": "^6.16.0",
    "vue": "^3.5.24"
  },
  "devDependencies": {
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -15,10 +15,14 @@
          <span>Dashboard</span>
        </el-menu-item>
        <el-menu-item index="2">
+          <el-icon><MagicStick /></el-icon>
+          <span>Dashboard AI</span>
+        </el-menu-item>
+        <el-menu-item index="3">
          <el-icon><Document /></el-icon>
          <span>Bids</span>
        </el-menu-item>
-        <el-menu-item index="3">
+        <el-menu-item index="4">
          <el-icon><Setting /></el-icon>
          <span>Keywords</span>
        </el-menu-item>
@@ -41,9 +45,14 @@
          @refresh="fetchData"
        />

-        <Bids
+        <DashboardAI
          v-if="activeIndex === '2'"
          :bids="bids"
+        />
+
+        <Bids
+          v-if="activeIndex === '3'"
+          :bids="bids"
          :source-options="sourceOptions"
          :loading="loading"
          :total="total"
@@ -51,7 +60,7 @@
        />

        <Keywords
-          v-if="activeIndex === '3'"
+          v-if="activeIndex === '4'"
          :keywords="keywords"
          :loading="loading"
          @refresh="fetchData"
@@ -64,8 +73,9 @@
 <script setup lang="ts">
 import { ref, onMounted } from 'vue'
 import axios from 'axios'
-import { DataBoard, Document, Setting } from '@element-plus/icons-vue'
+import { DataBoard, Document, Setting, MagicStick } from '@element-plus/icons-vue'
 import Dashboard from './components/Dashboard.vue'
+import DashboardAI from './components/Dashboard-AI.vue'
 import Bids from './components/Bids.vue'
 import Keywords from './components/Keywords.vue'

--- a/frontend/src/components/Bids.vue
+++ b/frontend/src/components/Bids.vue
@@ -76,3 +76,14 @@ const handleSizeChange = (size: number) => {
  emit('fetch', currentPage.value, pageSize.value, selectedSource.value || undefined)
 }
 </script>
+
+<style scoped>
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+a:hover {
+  color: #409eff;
+}
+</style>
--- a/frontend/src/components/Dashboard-AI.vue
+++ b/frontend/src/components/Dashboard-AI.vue
@@ -0,0 +1,270 @@
+<template>
+  <div>
+    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
+      <h2 style="margin: 0;">Dashboard AI</h2>
+      <el-button type="primary" :loading="loading" @click="fetchAIRecommendations">
+        <el-icon style="margin-right: 5px"><MagicStick /></el-icon>
+        获取 AI 推荐
+      </el-button>
+    </div>
+    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px;">
+      <h3 style="margin: 0;">选择日期范围</h3>
+      <div style="display: flex; gap: 10px;">
+        <el-date-picker
+          v-model="dateRange"
+          type="daterange"
+          range-separator="To"
+          start-placeholder="Start Date"
+          end-placeholder="End Date"
+          format="YYYY-MM-DD"
+          value-format="YYYY-MM-DD"
+          clearable
+          style="width: 240px;"
+        />
+        <el-button type="primary" @click="setLast3Days">3天</el-button>
+        <el-button type="primary" @click="setLast7Days">7天</el-button>
+        <el-button type="success" :loading="bidsLoading" @click="fetchBidsByDateRange">
+          <el-icon style="margin-right: 5px"><List /></el-icon>
+          列出时间范围内所有工程
+        </el-button>
+      </div>
+    </div>
+    <el-row :gutter="20">
+      <el-col :span="24">
+        <el-card class="box-card" shadow="hover">
+          <template #header>
+            <div class="card-header">
+              <span>AI 推荐项目</span>
+              <el-tag type="success">{{ aiRecommendations.length }} 个推荐</el-tag>
+            </div>
+          </template>
+          <div v-if="loading" style="text-align: center; padding: 40px;">
+            <el-icon class="is-loading" :size="30"><Loading /></el-icon>
+            <p style="margin-top: 10px; color: #909399;">AI 正在分析中...</p>
+          </div>
+          <div v-else-if="aiRecommendations.length === 0" style="text-align: center; padding: 40px; color: #909399;">
+            <el-icon :size="40"><InfoFilled /></el-icon>
+            <p style="margin-top: 10px;">暂无 AI 推荐项目</p>
+            <p style="font-size: 12px; margin-top: 5px;">点击上方按钮获取 AI 推荐</p>
+          </div>
+          <div v-else>
+            <el-table :data="aiRecommendations" style="width: 100%" size="small">
+              <el-table-column prop="title" label="项目名称">
+                <template #default="scope">
+                  <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
+                </template>
+              </el-table-column>
+              <el-table-column prop="source" label="来源" width="200" />
+              <el-table-column prop="confidence" label="推荐度" width="120">
+                <template #default="scope">
+                  <el-tag :type="getConfidenceType(scope.row.confidence)">
+                    {{ scope.row.confidence }}%
+                  </el-tag>
+                </template>
+              </el-table-column>
+            </el-table>
+          </div>
+        </el-card>
+      </el-col>
+    </el-row>
+    <el-row v-if="showAllBids" :gutter="20" style="margin-top: 20px;">
+      <el-col :span="24">
+        <el-card class="box-card" shadow="hover">
+          <template #header>
+            <div class="card-header">
+              <span>时间范围内所有工程</span>
+              <el-tag type="info">{{ bidsByDateRange.length }} 个工程</el-tag>
+            </div>
+          </template>
+          <div v-if="bidsLoading" style="text-align: center; padding: 40px;">
+            <el-icon class="is-loading" :size="30"><Loading /></el-icon>
+            <p style="margin-top: 10px; color: #909399;">加载中...</p>
+          </div>
+          <div v-else-if="bidsByDateRange.length === 0" style="text-align: center; padding: 40px; color: #909399;">
+            <el-icon :size="40"><InfoFilled /></el-icon>
+            <p style="margin-top: 10px;">该时间范围内暂无工程</p>
+          </div>
+          <div v-else>
+            <el-table :data="bidsByDateRange" style="width: 100%" size="small">
+              <el-table-column prop="title" label="项目名称">
+                <template #default="scope">
+                  <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
+                </template>
+              </el-table-column>
+              <el-table-column prop="source" label="来源" width="200" />
+              <el-table-column prop="publishDate" label="发布日期" width="180">
+                <template #default="scope">
+                  {{ formatDate(scope.row.publishDate) }}
+                </template>
+              </el-table-column>
+            </el-table>
+          </div>
+        </el-card>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref } from 'vue'
+import axios from 'axios'
+import { ElMessage } from 'element-plus'
+import { MagicStick, Loading, InfoFilled, List } from '@element-plus/icons-vue'
+
+
+interface AIRecommendation {
+  title: string
+  url: string
+  source: string
+  confidence: number
+}
+
+interface Props {
+  bids: any[]
+}
+
+const props = defineProps<Props>()
+
+const loading = ref(false)
+const aiRecommendations = ref<AIRecommendation[]>([])
+const dateRange = ref<[string, string] | null>(null)
+const showAllBids = ref(false)
+const bidsLoading = ref(false)
+const bidsByDateRange = ref<any[]>([])
+
+// 设置日期范围为最近3天
+const setLast3Days = () => {
+  const endDate = new Date()
+  const startDate = new Date()
+  startDate.setDate(startDate.getDate() - 2) // 最近3天（包括今天）
+
+  const formatDateForPicker = (date: Date) => {
+    const year = date.getFullYear()
+    const month = String(date.getMonth() + 1).padStart(2, '0')
+    const day = String(date.getDate()).padStart(2, '0')
+    return `${year}-${month}-${day}`
+  }
+
+  dateRange.value = [formatDateForPicker(startDate), formatDateForPicker(endDate)]
+  fetchBidsByDateRange()
+}
+
+// 设置日期范围为最近7天
+const setLast7Days = () => {
+  const endDate = new Date()
+  const startDate = new Date()
+  startDate.setDate(startDate.getDate() - 6) // 最近7天（包括今天）
+
+  const formatDateForPicker = (date: Date) => {
+    const year = date.getFullYear()
+    const month = String(date.getMonth() + 1).padStart(2, '0')
+    const day = String(date.getDate()).padStart(2, '0')
+    return `${year}-${month}-${day}`
+  }
+
+  dateRange.value = [formatDateForPicker(startDate), formatDateForPicker(endDate)]
+  fetchBidsByDateRange()
+}
+
+// 获取 AI 推荐项目
+const fetchAIRecommendations = async () => {
+  loading.value = true
+  try {
+    // 准备发送给后端的数据（只包含 title）
+    const bidsData = bidsByDateRange.value.map(bid => ({
+      title: bid.title
+    }))
+
+    // 调用后端 API
+    const response = await axios.post('/api/ai/recommendations', {
+      bids: bidsData
+    })
+
+    // 根据 title 从 bidsByDateRange 中更新 url 和 source
+    aiRecommendations.value = response.data.map((rec: any) => {
+      const bid = bidsByDateRange.value.find(b => b.title === rec.title)
+      return {
+        title: rec.title,
+        url: bid?.url || '',
+        source: bid?.source || '',
+        confidence: rec.confidence
+      }
+    })
+
+    ElMessage.success('AI 推荐获取成功')
+  } catch (error: any) {
+    ElMessage.error('获取 AI 推荐失败')
+  } finally {
+    loading.value = false
+  }
+}
+
+// 获取时间范围内的所有工程
+const fetchBidsByDateRange = async () => {
+  if (!dateRange.value || dateRange.value.length !== 2) {
+    ElMessage.warning('请先选择日期范围')
+    return
+  }
+
+  showAllBids.value = true
+  bidsLoading.value = true
+  try {
+    const [startDate, endDate] = dateRange.value
+
+    // 检查 endDate 是否是今天
+    const today = new Date()
+    const todayStr = `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}-${String(today.getDate()).padStart(2, '0')}`
+
+    // 如果 endDate 是今天，则不传递 endDate 参数（不限制截止时间）
+    const params: any = { startDate }
+    if (endDate !== todayStr) {
+      params.endDate = endDate
+    }
+
+    const response = await axios.get('/api/bids/by-date-range', { params })
+    bidsByDateRange.value = response.data
+    ElMessage.success(`获取成功，共 ${response.data.length} 个工程`)
+  } catch (error: any) {
+    ElMessage.error('获取工程列表失败')
+  } finally {
+    bidsLoading.value = false
+  }
+}
+
+// 格式化日期，只显示年月日
+const formatDate = (dateStr: string) => {
+  if (!dateStr) return ''
+  const date = new Date(dateStr)
+  const year = date.getFullYear()
+  const month = String(date.getMonth() + 1).padStart(2, '0')
+  const day = String(date.getDate()).padStart(2, '0')
+  return `${year}-${month}-${day}`
+}
+
+// 根据推荐度返回标签类型
+const getConfidenceType = (confidence: number) => {
+  if (confidence >= 90) return 'success'
+  if (confidence >= 70) return 'warning'
+  return 'info'
+}
+
+// 初始化时设置默认日期范围为最近3天
+setLast3Days()
+</script>
+
+<style scoped>
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+a:hover {
+  color: #409eff;
+}
+</style>
--- a/frontend/src/components/Dashboard.vue
+++ b/frontend/src/components/Dashboard.vue
@@ -11,22 +11,31 @@
      <el-col :span="24">
        <el-card class="box-card" shadow="hover">
          <template #header>
-            <div class="card-header">
+            <div class="card-header" @click="toggleHighPriority" style="cursor: pointer;">
              <span>High Priority Bids</span>
-              <el-tag type="danger">Top 10</el-tag>
+              <div style="display: flex; align-items: center; gap: 10px;">
+                <el-tag type="danger">Top 10</el-tag>
+                <el-icon :style="{ transform: highPriorityCollapsed ? 'rotate(-90deg)' : 'rotate(0deg)', transition: 'transform 0.3s' }">
+                  <ArrowDown />
+                </el-icon>
+              </div>
            </div>
          </template>
-          <el-table :data="highPriorityBids" style="width: 100%" size="small">
-            <el-table-column prop="title" label="Title">
-              <template #default="scope">
-                <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
-              </template>
-            </el-table-column>
-            <el-table-column prop="source" label="Source" width="240" />
-            <el-table-column prop="publishDate" label="Date" width="120">
-              <template #default="scope">{{ formatDate(scope.row.publishDate) }}</template>
-            </el-table-column>
-          </el-table>
+          <el-collapse-transition>
+            <div v-show="!highPriorityCollapsed">
+              <el-table :data="highPriorityBids" style="width: 100%" size="small">
+                <el-table-column prop="title" label="Title">
+                  <template #default="scope">
+                    <a :href="scope.row.url" target="_blank">{{ scope.row.title }}</a>
+                  </template>
+                </el-table-column>
+                <el-table-column prop="source" label="Source" width="240" />
+                <el-table-column prop="publishDate" label="Date" width="120">
+                  <template #default="scope">{{ formatDate(scope.row.publishDate) }}</template>
+                </el-table-column>
+              </el-table>
+            </div>
+          </el-collapse-transition>
        </el-card>
      </el-col>
    </el-row>
@@ -83,7 +92,7 @@
 import { ref, computed, watch } from 'vue'
 import axios from 'axios'
 import { ElMessage } from 'element-plus'
-import { Refresh } from '@element-plus/icons-vue'
+import { Refresh, ArrowDown } from '@element-plus/icons-vue'

 interface Props {
  todayBids: any[]
@@ -103,6 +112,20 @@ const emit = defineEmits<{
 const selectedKeywords = ref<string[]>([])
 const dateRange = ref<[string, string] | null>(null)
 const crawling = ref(false)
+const highPriorityCollapsed = ref(false)
+const isInitialized = ref(false)
+
+// 切换 High Priority Bids 的折叠状态
+const toggleHighPriority = () => {
+  highPriorityCollapsed.value = !highPriorityCollapsed.value
+}
+
+// 监听 highPriorityBids，当没有数据时自动折叠
+watch(() => props.highPriorityBids, (newBids) => {
+  if (newBids.length === 0) {
+    highPriorityCollapsed.value = true
+  }
+}, { immediate: true })

 // 从 localStorage 加载保存的关键字
 const loadSavedKeywords = () => {
@@ -123,6 +146,12 @@ watch(selectedKeywords, (newKeywords) => {

 // 监听日期范围变化并显示提示
 watch(dateRange, () => {
+  // 初始化时不显示提示
+  if (!isInitialized.value) {
+    isInitialized.value = true
+    return
+  }
+
  const totalBids = props.todayBids.length
  const filteredCount = filteredTodayBids.value.length

@@ -207,9 +236,7 @@ const setLast3Days = () => {
  const filteredCount = result.length

  console.log('setLast3Days result, totalBids:', totalBids, 'filteredCount:', filteredCount)
-  if (totalBids === 0) {
-    ElMessage.warning('暂无数据，请先抓取数据')
-  }
+  // 只在手动点击按钮时显示提示，初始化时不显示
 }

 // 设置日期范围为最近7天
@@ -244,9 +271,7 @@ const setLast7Days = () => {
  const filteredCount = result.length

  console.log('setLast7Days result, totalBids:', totalBids, 'filteredCount:', filteredCount)
-  if (totalBids === 0) {
-    ElMessage.warning('暂无数据，请先抓取数据')
-  }
+  // 只在手动点击按钮时显示提示，初始化时不显示
 }

 const handleCrawl = async () => {
@@ -268,6 +293,9 @@ const handleCrawl = async () => {

 // 初始化时加载保存的关键字
 loadSavedKeywords()
+
+// 初始化时设置默认日期范围为最近3天
+setLast3Days()
 </script>

 <style scoped>
@@ -276,4 +304,13 @@ loadSavedKeywords()
  justify-content: space-between;
  align-items: center;
 }
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+a:hover {
+  color: #409eff;
+}
 </style>
--- a/frontend/tsconfig.app.json
+++ b/frontend/tsconfig.app.json
@@ -12,5 +12,5 @@
    "noFallthroughCasesInSwitch": true,
    "noUncheckedSideEffectImports": true
  },
-  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue"]
+  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue", "../src/ai/Prompt.ts"]
 }
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
    "test:e2e": "jest --config ./test/jest-e2e.json",
    "crawl": "ts-node -r tsconfig-paths/register src/scripts/crawl.ts",
    "update-source": "ts-node -r tsconfig-paths/register src/scripts/update-source.ts",
-    "web":"npm --prefix frontend run build"
+    "web": "npm --prefix frontend run build"
  },
  "dependencies": {
    "@nestjs/common": "^11.0.1",
@@ -35,6 +35,7 @@
    "class-validator": "^0.14.3",
    "dotenv": "^16.4.7",
    "mysql2": "^3.16.0",
+    "openai": "^6.16.0",
    "puppeteer": "^24.34.0",
    "puppeteer-extra": "^3.3.6",
    "puppeteer-extra-plugin-stealth": "^2.11.2",
--- a/src/ai/Prompt.ts
+++ b/src/ai/Prompt.ts
@@ -0,0 +1 @@
+export const PromptString: string = `先给我说你统计了多少个项目。我只对辽宁、山东、江苏、浙江、福建、广东、广西、河北这些地方的海上风电、海上光伏、漂浮式光伏、滩涂光伏、滩涂风电、渔光互补项目感兴趣。从我提供的这些工程里面找到我感兴趣的工程。如果没有推荐的，也要给出思考过程。`;
--- a/src/ai/ai.controller.ts
+++ b/src/ai/ai.controller.ts
@@ -0,0 +1,20 @@
+import { Controller, Post, Body } from '@nestjs/common';
+import { AiService } from './ai.service';
+
+export class BidDataDto {
+  title: string;
+}
+
+export class BidsRequestDto {
+  bids: BidDataDto[];
+}
+
+@Controller('api/ai')
+export class AiController {
+  constructor(private readonly aiService: AiService) {}
+
+  @Post('recommendations')
+  async getRecommendations(@Body() request: BidsRequestDto) {
+    return this.aiService.getRecommendations(request.bids);
+  }
+}
--- a/src/ai/ai.module.ts
+++ b/src/ai/ai.module.ts
@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { AiController } from './ai.controller';
+import { AiService } from './ai.service';
+
+@Module({
+  imports: [ConfigModule],
+  controllers: [AiController],
+  providers: [AiService],
+  exports: [AiService],
+})
+export class AiModule {}
--- a/src/ai/ai.service.ts
+++ b/src/ai/ai.service.ts
@@ -0,0 +1,83 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import OpenAI from 'openai';
+import { PromptString } from './Prompt';
+
+export interface BidDataDto {
+  title: string;
+}
+
+export interface AIRecommendation {
+  title: string;
+  url: string;
+  source: string;
+  confidence: number;
+}
+
+@Injectable()
+export class AiService {
+  private readonly logger = new Logger(AiService.name);
+  private openai: OpenAI;
+
+  constructor(private readonly configService: ConfigService) {
+    const apiKey = this.configService.get<string>('ARK_API_KEY');
+    this.openai = new OpenAI({
+      apiKey: apiKey || '',
+      baseURL: 'https://ark.cn-beijing.volces.com/api/v3',
+      timeout: 120000, // 120秒超时
+    });
+  }
+
+  async getRecommendations(bids: BidDataDto[]): Promise<AIRecommendation[]> {
+    this.logger.log('开始获取 AI 推荐');
+    this.logger.log(`发送给 AI 的数据数量: ${bids.length}`);
+
+    try {
+      const prompt =PromptString+ `请根据以下投标项目标题列表，推荐最值得关注的 5-10 个项目。请以 JSON 格式返回，格式如下：
+[
+  {
+    "title": "项目标题",
+    "confidence": 推荐度(0-100的数字)
+  }
+]
+
+投标项目标题列表：
+${JSON.stringify(bids.map(b => b.title), null, 2)}`;
+      this.logger.log('发给AI的内容',prompt);
+      const completion = await this.openai.chat.completions.create({
+        model: 'doubao-seed-1-6-lite-251015',
+        max_tokens: 32768,
+        reasoning_effort: 'medium',
+        messages: [
+          {
+            role: 'user',
+            content: prompt,
+          },
+        ],
+      });
+
+      this.logger.log('AI API 响应成功');
+
+      const aiContent = completion.choices[0].message.content;
+      this.logger.log('AI 返回的内容:', aiContent);
+
+      if (!aiContent) {
+        throw new Error('AI 返回内容为空');
+      }
+
+      const jsonMatch = aiContent.match(/\[[\s\S]*\]/);
+
+      if (!jsonMatch) {
+        throw new Error('AI 返回格式不正确');
+      }
+
+      const recommendations = JSON.parse(jsonMatch[0]) as AIRecommendation[];
+      this.logger.log(`解析后的推荐结果: ${recommendations.length} 个`);
+
+      return recommendations;
+    } catch (error) {
+      this.logger.error('获取 AI 推荐失败:', error);
+      throw error;
+    }
+  }
+}
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -9,6 +9,7 @@ import { KeywordsModule } from './keywords/keywords.module';
 import { CrawlerModule } from './crawler/crawler.module';
 import { TasksModule } from './schedule/schedule.module';
 import { LoggerModule } from './common/logger/logger.module';
+import { AiModule } from './ai/ai.module';

@Module({
  imports: [
@@ -16,7 +17,7 @@ import { LoggerModule } from './common/logger/logger.module';
    ScheduleModule.forRoot(),
    ServeStaticModule.forRoot({
      rootPath: join(__dirname, '..', 'frontend', 'dist'),
-      exclude: ['/api*'],
+      exclude: ['/api/(.*)'],
    }),
    LoggerModule,
    DatabaseModule,
@@ -24,6 +25,7 @@ import { LoggerModule } from './common/logger/logger.module';
    KeywordsModule,
    CrawlerModule,
    TasksModule,
+    AiModule,
  ],
 })
 export class AppModule {}
--- a/src/bids/controllers/bid.controller.ts
+++ b/src/bids/controllers/bid.controller.ts
@@ -24,4 +24,9 @@ export class BidsController {
  getSources() {
    return this.bidsService.getSources();
  }
+
+  @Get('by-date-range')
+  getByDateRange(@Query('startDate') startDate: string, @Query('endDate') endDate: string) {
+    return this.bidsService.getBidsByDateRange(startDate, endDate);
+  }
 }
--- a/src/bids/services/bid.service.ts
+++ b/src/bids/services/bid.service.ts
@@ -87,4 +87,22 @@ export class BidsService {
      .orderBy('bid.publishDate', 'DESC')
      .getMany();
  }
+
+  async getBidsByDateRange(startDate?: string, endDate?: string) {
+    const qb = this.bidRepository.createQueryBuilder('bid');
+
+    if (startDate) {
+      const start = new Date(startDate);
+      start.setHours(0, 0, 0, 0);
+      qb.andWhere('bid.publishDate >= :startDate', { startDate: start });
+    }
+
+    if (endDate) {
+      const end = new Date(endDate);
+      end.setHours(23, 59, 59, 999);
+      qb.andWhere('bid.publishDate <= :endDate', { endDate: end });
+    }
+
+    return qb.orderBy('bid.publishDate', 'DESC').getMany();
+  }
 }
--- a/src/crawler/services/cdt_target.ts
+++ b/src/crawler/services/cdt_target.ts
@@ -55,7 +55,7 @@ export interface CdtResult {
 export const CdtCrawler = {
  name: '中国大唐集团电子商务平台',
  url: 'https://tang.cdt-ec.com/home/index.html',
-  baseUrl: 'https://tang.cdt-ec.com',
+  baseUrl: 'https://tang.cdt-ec.com/',

  async crawl(browser: puppeteer.Browser): Promise<CdtResult[]> {
    const logger = new Logger('CdtCrawler');
--- a/src/crawler/services/ceic_target.ts
+++ b/src/crawler/services/ceic_target.ts
@@ -50,7 +50,7 @@ async function simulateHumanScrolling(page: puppeteer.Page) {
 export const CeicCrawler = {
  name: '国家能源集团生态协作平台',
  url: 'https://ceic.dlnyzb.com/3001',
-  baseUrl: 'https://ceic.dlnyzb.com',
+  baseUrl: 'https://ceic.dlnyzb.com/',

  async crawl(browser: puppeteer.Browser): Promise<ChdtpResult[]> {
    const logger = new Logger('CeicCrawler');
--- a/src/crawler/services/cgnpc_target.ts
+++ b/src/crawler/services/cgnpc_target.ts
@@ -55,7 +55,7 @@ export interface CgnpcResult {
 export const CgnpcCrawler = {
  name: '中广核电子商务平台',
  url: 'https://ecp.cgnpc.com.cn/zbgg.html',
-  baseUrl: 'https://ecp.cgnpc.com.cn',
+  baseUrl: 'https://ecp.cgnpc.com.cn/',

  async crawl(browser: puppeteer.Browser): Promise<CgnpcResult[]> {
    const logger = new Logger('CgnpcCrawler');
--- a/src/crawler/services/chng_target_stealth.spec.ts
+++ b/src/crawler/services/chng_target_stealth.spec.ts
@@ -1,157 +0,0 @@
-import { ChngCrawler } from './chng_target';
-import puppeteer from 'puppeteer-extra';
-import StealthPlugin from 'puppeteer-extra-plugin-stealth';
-import type { Browser, Page } from 'puppeteer';
-
-// 使用 stealth 插件增强反爬虫能力
-puppeteer.use(StealthPlugin());
-
-// Increase timeout to 180 seconds for slow sites and stealth mode
-jest.setTimeout(180000);
-
-// 获取代理配置
-const getProxyArgs = (): string[] => {
-  const proxyHost = process.env.PROXY_HOST;
-  const proxyPort = process.env.PROXY_PORT;
-  const proxyUsername = process.env.PROXY_USERNAME;
-  const proxyPassword = process.env.PROXY_PASSWORD;
-
-  if (proxyHost && proxyPort) {
-    const args = [`--proxy-server=${proxyHost}:${proxyPort}`];
-    if (proxyUsername && proxyPassword) {
-      args.push(`--proxy-auth=${proxyUsername}:${proxyPassword}`);
-    }
-    return args;
-  }
-  return [];
-};
-
-// 模拟人类鼠标移动
-async function simulateHumanMouseMovement(page: Page) {
-  const viewport = page.viewport();
-  if (!viewport) return;
-
-  const movements = 5 + Math.floor(Math.random() * 5); // 5-10次随机移动
-
-  for (let i = 0; i < movements; i++) {
-    const x = Math.floor(Math.random() * viewport.width);
-    const y = Math.floor(Math.random() * viewport.height);
-    
-    await page.mouse.move(x, y, {
-      steps: 10 + Math.floor(Math.random() * 20) // 10-30步，使移动更平滑
-    });
-    
-    // 随机停顿 100-500ms
-    await new Promise(r => setTimeout(r, 100 + Math.random() * 400));
-  }
-}
-
-// 模拟人类滚动
-async function simulateHumanScrolling(page: Page) {
-  const scrollCount = 3 + Math.floor(Math.random() * 5); // 3-7次滚动
-
-  for (let i = 0; i < scrollCount; i++) {
-    const scrollDistance = 100 + Math.floor(Math.random() * 400); // 100-500px
-    
-    await page.evaluate((distance) => {
-      window.scrollBy({
-        top: distance,
-        behavior: 'smooth'
-      });
-    }, scrollDistance);
-
-    // 随机停顿 500-1500ms
-    await new Promise(r => setTimeout(r, 500 + Math.random() * 1000));
-  }
-
-  // 滚动回顶部
-  await page.evaluate(() => {
-    window.scrollTo({ top: 0, behavior: 'smooth' });
-  });
-  await new Promise(r => setTimeout(r, 1000));
-}
-
-describe('ChngCrawler Stealth Test (Headless Mode with Stealth Plugin)', () => {
-  let browser: Browser;
-
-  beforeAll(async () => {
-    const proxyArgs = getProxyArgs();
-    if (proxyArgs.length > 0) {
-      console.log('Using proxy:', proxyArgs.join(' '));
-    }
-    
-    browser = await puppeteer.launch({
-      headless: true, // 使用 headless 模式
-      args: [
-        '--no-sandbox',
-        '--disable-setuid-sandbox',
-        '--disable-blink-features=AutomationControlled',
-        '--window-size=1920,1080',
-        '--disable-infobars',
-        '--disable-dev-shm-usage',
-        '--disable-accelerated-2d-canvas',
-        '--no-first-run',
-        '--no-zygote',
-        '--disable-gpu',
-        '--disable-features=VizDisplayCompositor',
-        '--disable-webgl',
-        ...proxyArgs,
-      ],
-      defaultViewport: null
-    });
-  });
-
-  afterAll(async () => {
-    if (browser) {
-      await browser.close();
-    }
-  });
-
-  it('should visit the website and list all found bid information with stealth plugin', async () => {
-    // 为此测试单独设置更长的超时时间
-    jest.setTimeout(180000);
-    console.log(`
-Starting crawl for: ${ChngCrawler.name}`);
-    console.log(`Target URL: ${ChngCrawler.url}`);
-    console.log('Using puppeteer-extra-plugin-stealth for anti-detection');
-    console.log('Running in headless mode');
-    
-    // 创建一个临时页面用于模拟人类行为
-    const tempPage = await browser.newPage();
-    await tempPage.setViewport({ width: 1920, height: 1080, deviceScaleFactor: 1 });
-    
-    // 模拟人类鼠标移动
-    console.log('Simulating human mouse movements...');
-    await simulateHumanMouseMovement(tempPage);
-    
-    // 模拟人类滚动
-    console.log('Simulating human scrolling...');
-    await simulateHumanScrolling(tempPage);
-    
-    await tempPage.close();
-    
-    const results = await ChngCrawler.crawl(browser);
-    
-    console.log(`
-Successfully found ${results.length} items:
-`);
-    console.log('----------------------------------------');
-    results.forEach((item, index) => {
-      console.log(`${index + 1}. [${item.publishDate.toLocaleDateString()}] ${item.title}`);
-      console.log(`   Link: ${item.url}`);
-      console.log('----------------------------------------');
-    });
-
-    expect(results).toBeDefined();
-    expect(Array.isArray(results)).toBeTruthy();
-    
-    if (results.length === 0) {
-      console.warn('Warning: No items found. The site might have detected the crawler or content is not loading properly.');
-    } else {
-       const firstItem = results[0];
-       expect(firstItem.title).toBeTruthy();
-       expect(firstItem.url).toMatch(/^https?:\/\//);
-       expect(firstItem.publishDate).toBeInstanceOf(Date);
-    }
-  });
-});
--- a/src/crawler/services/cnncecp_target.ts
+++ b/src/crawler/services/cnncecp_target.ts
@@ -55,7 +55,7 @@ export interface CnncecpResult {
 export const CnncecpCrawler = {
  name: '中核集团电子采购平台',
  url: 'https://www.cnncecp.com/xzbgg/index.jhtml',
-  baseUrl: 'https://www.cnncecp.com',
+  baseUrl: 'https://www.cnncecp.com/',

  async crawl(browser: puppeteer.Browser): Promise<CnncecpResult[]> {
    const logger = new Logger('CnncecpCrawler');
--- a/src/crawler/services/cnooc_target.ts
+++ b/src/crawler/services/cnooc_target.ts
@@ -55,7 +55,7 @@ export interface CnoocResult {
 export const CnoocCrawler = {
  name: '中海油招标平台',
  url: 'https://buy.cnooc.com.cn/cbjyweb/001/001001/moreinfo.html',
-  baseUrl: 'https://buy.cnooc.com.cn',
+  baseUrl: 'https://buy.cnooc.com.cn/',

  async crawl(browser: puppeteer.Browser): Promise<CnoocResult[]> {
    const logger = new Logger('CnoocCrawler');
--- a/src/crawler/services/eps_target.ts
+++ b/src/crawler/services/eps_target.ts
@@ -55,7 +55,7 @@ export interface EpsResult {
 export const EpsCrawler = {
  name: '中国三峡集团电子商务平台',
  url: 'https://eps.ctg.com.cn/cms/channel/1ywgg1/index.htm',
-  baseUrl: 'https://eps.ctg.com.cn',
+  baseUrl: 'https://eps.ctg.com.cn/',

  async crawl(browser: puppeteer.Browser): Promise<EpsResult[]> {
    const logger = new Logger('EpsCrawler');
--- a/src/crawler/services/espic_target.ts
+++ b/src/crawler/services/espic_target.ts
@@ -54,7 +54,7 @@ export interface EspicResult {

 export const EspicCrawler = {
  name: '电能e招采平台（国电投）',
-  baseUrl: 'https://ebid.espic.com.cn',
+  baseUrl: 'https://ebid.espic.com.cn/',

  // 生成动态 URL，使用当前日期
  getUrl(page: number = 1): string {
--- a/src/crawler/services/powerbeijing_target.ts
+++ b/src/crawler/services/powerbeijing_target.ts
@@ -55,7 +55,7 @@ export interface PowerbeijingResult {
 export const PowerbeijingCrawler = {
  name: '北京京能电子商务平台',
  url: 'https://www.powerbeijing-ec.com/jncms/search/bulletin.html?dates=300&categoryId=2&tabName=%E6%8B%9B%E6%A0%87%E5%85%AC%E5%91%8A&page=1',
-  baseUrl: 'https://www.powerbeijing-ec.com',
+  baseUrl: 'https://www.powerbeijing-ec.com/',

  async crawl(browser: puppeteer.Browser): Promise<PowerbeijingResult[]> {
    const logger = new Logger('PowerbeijingCrawler');
--- a/src/crawler/services/sdicc_target.ts
+++ b/src/crawler/services/sdicc_target.ts
@@ -55,7 +55,7 @@ export interface SdiccResult {
 export const SdiccCrawler = {
  name: '国投集团电子采购平台',
  url: 'https://www.sdicc.com.cn/cgxx/ggList',
-  baseUrl: 'https://www.sdicc.com.cn',
+  baseUrl: 'https://www.sdicc.com.cn/',

  async crawl(browser: puppeteer.Browser): Promise<SdiccResult[]> {
    const logger = new Logger('SdiccCrawler');
--- a/src/crawler/services/szecp_target.ts
+++ b/src/crawler/services/szecp_target.ts
@@ -50,7 +50,7 @@ async function simulateHumanScrolling(page: puppeteer.Page) {
 export const SzecpCrawler = {
  name: '华润守正采购交易平台',
  url: 'https://www.szecp.com.cn/first_zbgg/index.html',
-  baseUrl: 'https://www.szecp.com.cn',
+  baseUrl: 'https://www.szecp.com.cn/',

  async crawl(browser: puppeteer.Browser): Promise<ChdtpResult[]> {
    const logger = new Logger('SzecpCrawler');
Author	SHA1	Message	Date
dmy	2b21ddb990	fix: 初始化时不显示日期范围变化提示	2026-01-12 19:02:46 +08:00
dmy	3d269ce9d1	feat: 重构AI推荐功能并优化爬虫基础URL 重构前端AI推荐组件，移除本地过滤逻辑，改为从后端获取日期范围内的数据新增AI服务模块，包含Prompt和推荐逻辑为投标服务添加按日期范围查询接口统一各爬虫服务的baseURL格式	2026-01-12 18:59:17 +08:00
dmy	61520e9ebf	feat: 添加 AI 推荐功能新增 AI 推荐模块，包括前端界面和后端服务添加 OpenAI API 密钥配置实现工程数据分析和推荐功能	2026-01-12 18:36:08 +08:00
dmy	3647b9a2e5	feat: 添加高优先级投标折叠功能并优化链接样式为高优先级投标表格添加折叠/展开功能，当数据为空时自动折叠优化链接样式，统一设置无下划线及悬停颜色	2026-01-12 15:52:58 +08:00
				`@@ -0,0 +1 @@`
				export const PromptString: string = `先给我说你统计了多少个项目。我只对辽宁、山东、江苏、浙江、福建、广东、广西、河北这些地方的海上风电、海上光伏、漂浮式光伏、滩涂光伏、滩涂风电、渔光互补项目感兴趣。从我提供的这些工程里面找到我感兴趣的工程。如果没有推荐的，也要给出思考过程。`;