fix bug about fetching file from minio (#574)

### What problem does this PR solve?


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

rag/svr/task_broker.py

@@ -20,6 +20,8 @@ import random
 from datetime import datetime
 from api.db.db_models import Task
 from api.db.db_utils import bulk_insert_into_db
+from api.db.services.file2document_service import File2DocumentService
+from api.db.services.file_service import FileService
 from api.db.services.task_service import TaskService
 from deepdoc.parser import PdfParser
 from deepdoc.parser.excel_parser import HuExcelParser
@@ -87,10 +89,11 @@ def dispatch():
 
         tsks = []
         try:
-            file_bin = MINIO.get(r["kb_id"], r["location"])
+            bucket, name = File2DocumentService.get_minio_address(doc_id=r["id"])
+            file_bin = MINIO.get(bucket, name)
             if REDIS_CONN.is_alive():
                 try:
-                    REDIS_CONN.set("{}/{}".format(r["kb_id"], r["location"]), file_bin, 12*60)
+                    REDIS_CONN.set("{}/{}".format(bucket, name), file_bin, 12*60)
                 except Exception as e:
                     cron_logger.warning("Put into redis[EXCEPTION]:" + str(e))