fix asset module database migration

src/server/routes/mileage/cache.ts

@@ -74,8 +74,8 @@ interface TargetRow {
 async function fetchTargetRows(): Promise<TargetRow[]> {
   return pool.execute(
     `SELECT t.id, t.target_name, v.plate_number
-     FROM tab_mileage_assessment_target t
-     JOIN tab_mileage_assessment_vehicle v ON v.target_id = t.id AND v.is_deleted = 0
+     FROM lingniu_prod.tab_mileage_assessment_target t
+     JOIN lingniu_prod.tab_mileage_assessment_vehicle v ON v.target_id = t.id AND v.is_deleted = 0
      WHERE t.is_deleted = 0`
   ).then(([rows]) => rows as TargetRow[]);
 }
@@ -102,10 +102,10 @@ function buildPlateTargetNamesMap(targetRows: TargetRow[]): Map<string, string[]
 
 async function fetchBizTotalMileageMap(): Promise<Map<string, number>> {
   // v_vehicle_daily_stats.total_km 对 G7S 数据源常为 NULL（G7 只回传日增量），
-  // 业务库 tab_mileage_assessment_vehicle.vehicle_total_mileage 是累加后的权威累计值，
+  // 业务库 lingniu_prod.tab_mileage_assessment_vehicle.vehicle_total_mileage 是累加后的权威累计值，
   // 用它兜底保证 totalKm 汇总完整。
   const [rows] = await pool.execute(
-    'SELECT plate_number, vehicle_total_mileage FROM tab_mileage_assessment_vehicle WHERE is_deleted = 0'
+    'SELECT plate_number, vehicle_total_mileage FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0'
   ) as [{ plate_number: string; vehicle_total_mileage: string | number | null }[], unknown];
   const map = new Map<string, number>();
   for (const r of rows) {