diff --git a/configs/pretrain/mq-groundingdino-t.yaml b/configs/pretrain/mq-groundingdino-t.yaml
index a535339..7a521d1 100644
--- a/configs/pretrain/mq-groundingdino-t.yaml
+++ b/configs/pretrain/mq-groundingdino-t.yaml
@@ -54,6 +54,7 @@ AUGMENT:
 
 DATALOADER:
   SIZE_DIVISIBILITY: 32
+  NUM_WORKERS: 0
 
 SOLVER:
   OPTIMIZER: ADAMW
@@ -75,7 +76,7 @@ SOLVER:
   MODEL_EMA: 0.999
   FIND_UNUSED_PARAMETERS: False
   CHECKPOINT_PERIOD: 99999999
-  CHECKPOINT_PER_EPOCH: 32.0
+  CHECKPOINT_PER_EPOCH: 2.0
   # TUNING_HIGHLEVEL_OVERRIDE:  "vision_query"
   TUNING_HIGHLEVEL_OVERRIDE:  "vision_query"
   MAX_TO_KEEP: 4