diff --git a/examples/speechcommand_v1/s0/README.md b/examples/speechcommand_v1/s0/README.md
new file mode 100644
index 0000000..13f4eb8
--- /dev/null
+++ b/examples/speechcommand_v1/s0/README.md
@@ -0,0 +1,5 @@
+Classification accuracy:
+
+| model                 | params(K) | epoch     | acc(%)     |
+|-----------------------|-----------|-----------|------------|
+| MDTC                  | 161       | 100(avg10)| 97.89      |
diff --git a/examples/speechcommand_v1/s0/conf/mdtc.yaml b/examples/speechcommand_v1/s0/conf/mdtc.yaml
index 80a9c6d..d9046cd 100644
--- a/examples/speechcommand_v1/s0/conf/mdtc.yaml
+++ b/examples/speechcommand_v1/s0/conf/mdtc.yaml
@@ -46,7 +46,7 @@ optim_conf:
     weight_decay: 0.00005
 
 training_config:
-    grad_clip: 50
+    grad_clip: 5
     max_epoch: 100
     log_interval: 10
     criterion: ce