fix infinite for pgnet and some model dir

test_tipc/configs/det_r50_db_v2.0/train_infer_python.txt

@@ -26,7 +26,7 @@ null:null
 ##
 ===========================infer_params===========================
 Global.save_inference_dir:./output/
-Global.pretrained_model:
+Global.checkpoints:
 norm_export:tools/export_model.py -c configs/det/det_r50_vd_db.yml -o 
 quant_export:null 
 fpgm_export:null
@@ -34,7 +34,7 @@ distill_export:null
 export1:null
 export2:null
 ##
-train_model:./inference/ch_ppocr_server_v2.0_det_train/best_accuracy
+train_model:./inference/det_r50_vd_db_v2.0_train/best_accuracy
 infer_export:tools/export_model.py -c configs/det/det_r50_vd_db.yml -o
 infer_quant:False
 inference:tools/infer/predict_det.py

test_tipc/configs/en_server_pgnetA/train_infer_python.txt

@@ -26,7 +26,7 @@ null:null
 ##
 ===========================infer_params===========================
 Global.save_inference_dir:./output/
-Global.pretrained_model:
+Global.checkpoints:
 norm_export:tools/export_model.py -c configs/e2e/e2e_r50_vd_pg.yml -o 
 quant_export:null
 fpgm_export:null