diff -Naru a/configs/det/det_mv3_east.yml b/configs/det/det_mv3_east.yml
--- a/configs/det/det_mv3_east.yml	2022-11-10 10:57:23.296981862 +0000
+++ b/configs/det/det_mv3_east.yml	2022-11-10 10:58:27.352982646 +0000
@@ -1,5 +1,5 @@
 Global:
-  use_gpu: true
+  use_gpu: False
   epoch_num: 10000
   log_smooth_window: 20
   print_batch_step: 2
@@ -106,4 +106,4 @@
     shuffle: False
     drop_last: False
     batch_size_per_card: 1 # must be 1
-    num_workers: 2
\ No newline at end of file
+    num_workers: 0