diff --git a/configs/kie/layoutlm_series/ser_layoutlm_xfund_zh.yml b/configs/kie/layoutlm_series/ser_layoutlm_xfund_zh.yml
index 34c7d4114062e9227d48ad5684024e2776e68447..5424d7e1fb5ab472644ec5b00225921670941025 100644
--- a/configs/kie/layoutlm_series/ser_layoutlm_xfund_zh.yml
+++ b/configs/kie/layoutlm_series/ser_layoutlm_xfund_zh.yml
@@ -83,7 +83,7 @@ Train:
     shuffle: True
     drop_last: False
     batch_size_per_card: 8
-    num_workers: 4
+    num_workers: 16
 
 Eval:
   dataset: