Fix error handling in dataService: throw error when first page fetch fails

src/lib/dataService.js

@@ -186,6 +186,10 @@ class DataService {
 
       if (error) {
         console.error('[DataService] Error fetching data:', error)
+        // 如果第一页就出错，抛出错误；否则返回已获取的数据
+        if (pageCount === 1 && all.length === 0) {
+          throw new Error(`Failed to fetch data: ${error.message || error}`)
+        }
         break
       }