diff --git a/configs/textrecog/nrtr/nrtr_r31_1by16_1by8_academic.py b/configs/textrecog/nrtr/nrtr_r31_1by16_1by8_academic.py
index 0074a8e2..6de748eb 100644
--- a/configs/textrecog/nrtr/nrtr_r31_1by16_1by8_academic.py
+++ b/configs/textrecog/nrtr/nrtr_r31_1by16_1by8_academic.py
@@ -77,7 +77,7 @@ train_img_prefix1 = train_prefix + \
     'SynthText/synthtext/SynthText_patch_horizontal'
 train_img_prefix2 = train_prefix + 'Syn90k/mnt/ramdisk/max/90kDICT32px'
 
-train_ann_file1 = train_prefix + 'SynthText/label.lmdb',
+train_ann_file1 = train_prefix + 'SynthText/label.lmdb'
 train_ann_file2 = train_prefix + 'Syn90k/label.lmdb'
 
 train1 = dict(
diff --git a/configs/textrecog/nrtr/nrtr_r31_1by8_1by4_academic.py b/configs/textrecog/nrtr/nrtr_r31_1by8_1by4_academic.py
index e0f53811..8a092780 100644
--- a/configs/textrecog/nrtr/nrtr_r31_1by8_1by4_academic.py
+++ b/configs/textrecog/nrtr/nrtr_r31_1by8_1by4_academic.py
@@ -77,7 +77,7 @@ train_img_prefix1 = train_prefix + \
     'SynthText/synthtext/SynthText_patch_horizontal'
 train_img_prefix2 = train_prefix + 'Syn90k/mnt/ramdisk/max/90kDICT32px'
 
-train_ann_file1 = train_prefix + 'SynthText/label.lmdb',
+train_ann_file1 = train_prefix + 'SynthText/label.lmdb'
 train_ann_file2 = train_prefix + 'Syn90k/label.lmdb'
 
 train1 = dict(