fix typo in distributed training script

tutorials/source_zh_cn/advanced_use/distributed_training.md

@@ -275,7 +275,7 @@ def test_train_cifar(num_classes=10, epoch_size=10):
 ```bash
 #!/bin/bash
 
-DATD_PATH=$1
+DATA_PATH=$1
 export DATA_PATH=${DATA_PATH}
 RANK_SIZE=$2
 

tutorials/tutorial_code/distributed_training/run.sh

 #!/bin/bash
 
-DATD_PATH=$1
+DATA_PATH=$1
 export DATA_PATH=${DATA_PATH}
 RANK_SIZE=$2
 
 EXEC_PATH=$(pwd)
 
-test_dist_8p()
+test_dist_8pcs()
 {
-    export MINDSPORE_HCCL_CONFIG_PATH=${EXEC_PATH}/rank_table_8p.json
+    export MINDSPORE_HCCL_CONFIG_PATH=${EXEC_PATH}/rank_table_8pcs.json
     export RANK_SIZE=8
 }
 
-test_dist_2p()
+test_dist_2pcs()
 {
-    export MINDSPORE_HCCL_CONFIG_PATH=${EXEC_PATH}/rank_table_2p.json
+    export MINDSPORE_HCCL_CONFIG_PATH=${EXEC_PATH}/rank_table_2pcs.json
     export RANK_SIZE=2
 }
 
-test_dist_${RANK_SIZE}p
+test_dist_${RANK_SIZE}pcs
 
 for((i=0;i<${RANK_SIZE};i++))
 do