diff --git a/examples/csmsc/tts0/local/synthesize.sh b/examples/csmsc/tts0/local/synthesize.sh
index bfb4844b30fd0720783ae68ab8e33d62b74f5bb8..5b8ed15e5271e5d4e6baaaa02c7e7b44046e6b72 100755
--- a/examples/csmsc/tts0/local/synthesize.sh
+++ b/examples/csmsc/tts0/local/synthesize.sh
@@ -6,6 +6,7 @@ ckpt_name=$3
 stage=0
 stop_stage=0
 
+# pwgan
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
@@ -42,6 +43,7 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
         --phones_dict=dump/phone_id_map.txt
 fi
 
+# style melgan
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
diff --git a/examples/csmsc/tts0/local/synthesize_e2e.sh b/examples/csmsc/tts0/local/synthesize_e2e.sh
index 4c73a18d50a76b94bf8948119657fb74d83172cc..f7675873386b3a28f720e26d18a36fdcc092c75c 100755
--- a/examples/csmsc/tts0/local/synthesize_e2e.sh
+++ b/examples/csmsc/tts0/local/synthesize_e2e.sh
@@ -8,6 +8,7 @@ stage=0
 stop_stage=0
 
 # TODO: tacotron2 动转静的结果没有静态图的响亮, 可能还是 decode 的时候某个函数动静不对齐
+# pwgan
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
diff --git a/examples/csmsc/tts2/local/synthesize.sh b/examples/csmsc/tts2/local/synthesize.sh
index 07cf156e7440fd6e78d71464ea5e36fb5e92f7ee..37b2981831e0ec8bd4d89b106d41a6e9fc5bbe47 100755
--- a/examples/csmsc/tts2/local/synthesize.sh
+++ b/examples/csmsc/tts2/local/synthesize.sh
@@ -6,6 +6,7 @@ ckpt_name=$3
 stage=0
 stop_stage=0
 
+# pwgan
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
@@ -44,6 +45,7 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
         --tones_dict=dump/tone_id_map.txt
 fi
 
+# style melgan
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
diff --git a/examples/csmsc/tts2/local/synthesize_e2e.sh b/examples/csmsc/tts2/local/synthesize_e2e.sh
index d5862a615a5664611eb7baa996e077381afe1311..553b45543faea1c0eca1b4fcaaa89cffe447334f 100755
--- a/examples/csmsc/tts2/local/synthesize_e2e.sh
+++ b/examples/csmsc/tts2/local/synthesize_e2e.sh
@@ -7,6 +7,7 @@ ckpt_name=$3
 stage=0
 stop_stage=0
 
+# pwgan
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
@@ -93,7 +94,6 @@ if [ ${stage} -le 3 ] && [ ${stop_stage} -ge 3 ]; then
         --inference_dir=${train_output_path}/inference
 fi
 
-
 # wavernn
 if [ ${stage} -le 4 ] && [ ${stop_stage} -ge 4 ]; then
     echo "in wavernn syn_e2e"
diff --git a/examples/csmsc/tts3/local/synthesize.sh b/examples/csmsc/tts3/local/synthesize.sh
index 273dacd599f9f97b5cc6ca7958b89c52ed301e26..043bb52f40ab11b192c946bf935a170b1d7377e6 100755
--- a/examples/csmsc/tts3/local/synthesize.sh
+++ b/examples/csmsc/tts3/local/synthesize.sh
@@ -6,6 +6,7 @@ ckpt_name=$3
 stage=0
 stop_stage=0
 
+# pwgan
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
@@ -42,6 +43,7 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
         --phones_dict=dump/phone_id_map.txt
 fi
 
+# style melgan
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \
diff --git a/examples/csmsc/tts3/local/synthesize_e2e.sh b/examples/csmsc/tts3/local/synthesize_e2e.sh
index 9e25c0720d80b22e41413433f4de370f6f0abe33..512e062b7792a7c363640f48bb0a665f1be96ab6 100755
--- a/examples/csmsc/tts3/local/synthesize_e2e.sh
+++ b/examples/csmsc/tts3/local/synthesize_e2e.sh
@@ -7,6 +7,7 @@ ckpt_name=$3
 stage=0
 stop_stage=0
 
+# pwgan
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     FLAGS_allocator_strategy=naive_best_fit \
     FLAGS_fraction_of_gpu_memory_to_use=0.01 \