diff --git a/frontend/src/components/CrawlInfo.vue b/frontend/src/components/CrawlInfo.vue
index 6f0690d..a73be6d 100644
--- a/frontend/src/components/CrawlInfo.vue
+++ b/frontend/src/components/CrawlInfo.vue
@@ -26,14 +26,14 @@
         </el-table-column>
         <el-table-column label="状态" width="100">
           <template #default="{ row }">
-            <el-tag :type="row.error ? 'danger' : (row.count > 0 ? 'success' : 'info')">
-              {{ row.error ? '出错' : (row.count > 0 ? '正常' : '无数据') }}
+            <el-tag :type="row.error && row.error.trim() ? 'danger' : (row.count > 0 ? 'success' : 'info')">
+              {{ row.error && row.error.trim() ? '出错' : (row.count > 0 ? '正常' : '无数据') }}
             </el-tag>
           </template>
         </el-table-column>
         <el-table-column label="错误信息" min-width="200">
           <template #default="{ row }">
-            <span v-if="row.error" style="color: #f56c6c">{{ row.error }}</span>
+            <span v-if="row.error && row.error.trim()" style="color: #f56c6c">{{ row.error }}</span>
             <span v-else>-</span>
           </template>
         </el-table-column>
@@ -100,7 +100,7 @@ const activeSources = computed(() => {
 })
 
 const errorSources = computed(() => {
-  return crawlStats.value.filter(item => item.error).length
+  return crawlStats.value.filter(item => item.error && item.error.trim()).length
 })
 
 const formatDate = (dateStr: string | null) => {
diff --git a/src/bids/services/bid.service.ts b/src/bids/services/bid.service.ts
index 9e124ba..1dd01b8 100644
--- a/src/bids/services/bid.service.ts
+++ b/src/bids/services/bid.service.ts
@@ -143,7 +143,8 @@ export class BidsService {
       count: item.count,
       latestUpdate: item.latestUpdate,
       latestPublishDate: item.latestPublishDate,
-      error: item.error,
+      // 确保 error 字段正确处理：null 或空字符串都转换为 null，非空字符串保留
+      error: item.error && item.error.trim() !== '' ? item.error : null,
     }));
   }
 }
diff --git a/src/crawler/entities/crawl-info-add.entity.ts b/src/crawler/entities/crawl-info-add.entity.ts
index e44695e..976ec97 100644
--- a/src/crawler/entities/crawl-info-add.entity.ts
+++ b/src/crawler/entities/crawl-info-add.entity.ts
@@ -15,7 +15,7 @@ export class CrawlInfoAdd {
   latestPublishDate: Date | null;
 
   @Column({ type: 'text', nullable: true })
-  error: string;
+  error: string | null;
 
   @CreateDateColumn()
   createdAt: Date;
diff --git a/src/crawler/services/bid-crawler.service.ts b/src/crawler/services/bid-crawler.service.ts
index a59e06e..138e607 100644
--- a/src/crawler/services/bid-crawler.service.ts
+++ b/src/crawler/services/bid-crawler.service.ts
@@ -318,7 +318,8 @@ export class BidCrawlerService {
         source,
         count,
         latestPublishDate,
-        error,
+        // 确保 error 字段正确处理：undefined 或空字符串都转换为 null
+        error: error && error.trim() !== '' ? error : null,
       });
       await this.crawlInfoRepository.save(crawlInfo);
       this.logger.log(`Saved crawl info for ${source}: ${count} items`);