diff --git a/egs/ljspeech/tts/local/compute_spectrogram_ljspeech.py b/egs/ljspeech/TTS/local/compute_spectrogram_ljspeech.py
similarity index 100%
rename from egs/ljspeech/tts/local/compute_spectrogram_ljspeech.py
rename to egs/ljspeech/TTS/local/compute_spectrogram_ljspeech.py
diff --git a/egs/ljspeech/tts/local/display_manifest_statistics.py b/egs/ljspeech/TTS/local/display_manifest_statistics.py
similarity index 100%
rename from egs/ljspeech/tts/local/display_manifest_statistics.py
rename to egs/ljspeech/TTS/local/display_manifest_statistics.py
diff --git a/egs/ljspeech/tts/local/prepare_token_file.py b/egs/ljspeech/TTS/local/prepare_token_file.py
similarity index 100%
rename from egs/ljspeech/tts/local/prepare_token_file.py
rename to egs/ljspeech/TTS/local/prepare_token_file.py
diff --git a/egs/ljspeech/tts/local/validate_manifest.py b/egs/ljspeech/TTS/local/validate_manifest.py
similarity index 100%
rename from egs/ljspeech/tts/local/validate_manifest.py
rename to egs/ljspeech/TTS/local/validate_manifest.py
diff --git a/egs/ljspeech/tts/prepare.sh b/egs/ljspeech/TTS/prepare.sh
similarity index 100%
rename from egs/ljspeech/tts/prepare.sh
rename to egs/ljspeech/TTS/prepare.sh
diff --git a/egs/ljspeech/tts/shared/parse_options.sh b/egs/ljspeech/TTS/shared/parse_options.sh
similarity index 100%
rename from egs/ljspeech/tts/shared/parse_options.sh
rename to egs/ljspeech/TTS/shared/parse_options.sh
diff --git a/egs/ljspeech/tts/vits/duration_predictor.py b/egs/ljspeech/TTS/vits/duration_predictor.py
similarity index 100%
rename from egs/ljspeech/tts/vits/duration_predictor.py
rename to egs/ljspeech/TTS/vits/duration_predictor.py
diff --git a/egs/ljspeech/tts/vits/flow.py b/egs/ljspeech/TTS/vits/flow.py
similarity index 100%
rename from egs/ljspeech/tts/vits/flow.py
rename to egs/ljspeech/TTS/vits/flow.py
diff --git a/egs/ljspeech/tts/vits/generator.py b/egs/ljspeech/TTS/vits/generator.py
similarity index 100%
rename from egs/ljspeech/tts/vits/generator.py
rename to egs/ljspeech/TTS/vits/generator.py
diff --git a/egs/ljspeech/tts/vits/hifigan.py b/egs/ljspeech/TTS/vits/hifigan.py
similarity index 100%
rename from egs/ljspeech/tts/vits/hifigan.py
rename to egs/ljspeech/TTS/vits/hifigan.py
diff --git a/egs/ljspeech/tts/vits/infer.py b/egs/ljspeech/TTS/vits/infer.py
similarity index 99%
rename from egs/ljspeech/tts/vits/infer.py
rename to egs/ljspeech/TTS/vits/infer.py
index f971f85ff..4917a7ee9 100755
--- a/egs/ljspeech/tts/vits/infer.py
+++ b/egs/ljspeech/TTS/vits/infer.py
@@ -21,7 +21,7 @@ This script performs model inference on test set.
 Usage:
 ./vits/infer.py \
     --epoch 1000 \
-    --exp-dir ./zipformer/exp \
+    --exp-dir ./vits/exp \
     --max-duration 500
 """
 
diff --git a/egs/ljspeech/tts/vits/loss.py b/egs/ljspeech/TTS/vits/loss.py
similarity index 100%
rename from egs/ljspeech/tts/vits/loss.py
rename to egs/ljspeech/TTS/vits/loss.py
diff --git a/egs/ljspeech/tts/vits/monotonic_align/__init__.py b/egs/ljspeech/TTS/vits/monotonic_align/__init__.py
similarity index 100%
rename from egs/ljspeech/tts/vits/monotonic_align/__init__.py
rename to egs/ljspeech/TTS/vits/monotonic_align/__init__.py
diff --git a/egs/ljspeech/tts/vits/monotonic_align/core.pyx b/egs/ljspeech/TTS/vits/monotonic_align/core.pyx
similarity index 100%
rename from egs/ljspeech/tts/vits/monotonic_align/core.pyx
rename to egs/ljspeech/TTS/vits/monotonic_align/core.pyx
diff --git a/egs/ljspeech/tts/vits/monotonic_align/setup.py b/egs/ljspeech/TTS/vits/monotonic_align/setup.py
similarity index 100%
rename from egs/ljspeech/tts/vits/monotonic_align/setup.py
rename to egs/ljspeech/TTS/vits/monotonic_align/setup.py
diff --git a/egs/ljspeech/tts/vits/posterior_encoder.py b/egs/ljspeech/TTS/vits/posterior_encoder.py
similarity index 100%
rename from egs/ljspeech/tts/vits/posterior_encoder.py
rename to egs/ljspeech/TTS/vits/posterior_encoder.py
diff --git a/egs/ljspeech/tts/vits/residual_coupling.py b/egs/ljspeech/TTS/vits/residual_coupling.py
similarity index 100%
rename from egs/ljspeech/tts/vits/residual_coupling.py
rename to egs/ljspeech/TTS/vits/residual_coupling.py
diff --git a/egs/ljspeech/tts/vits/text_encoder.py b/egs/ljspeech/TTS/vits/text_encoder.py
similarity index 100%
rename from egs/ljspeech/tts/vits/text_encoder.py
rename to egs/ljspeech/TTS/vits/text_encoder.py
diff --git a/egs/ljspeech/tts/vits/tokenizer.py b/egs/ljspeech/TTS/vits/tokenizer.py
similarity index 100%
rename from egs/ljspeech/tts/vits/tokenizer.py
rename to egs/ljspeech/TTS/vits/tokenizer.py
diff --git a/egs/ljspeech/tts/vits/train.py b/egs/ljspeech/TTS/vits/train.py
similarity index 100%
rename from egs/ljspeech/tts/vits/train.py
rename to egs/ljspeech/TTS/vits/train.py
diff --git a/egs/ljspeech/tts/vits/transform.py b/egs/ljspeech/TTS/vits/transform.py
similarity index 100%
rename from egs/ljspeech/tts/vits/transform.py
rename to egs/ljspeech/TTS/vits/transform.py
diff --git a/egs/ljspeech/tts/vits/tts_datamodule.py b/egs/ljspeech/TTS/vits/tts_datamodule.py
similarity index 100%
rename from egs/ljspeech/tts/vits/tts_datamodule.py
rename to egs/ljspeech/TTS/vits/tts_datamodule.py
diff --git a/egs/ljspeech/tts/vits/utils.py b/egs/ljspeech/TTS/vits/utils.py
similarity index 100%
rename from egs/ljspeech/tts/vits/utils.py
rename to egs/ljspeech/TTS/vits/utils.py
diff --git a/egs/ljspeech/tts/vits/vits.py b/egs/ljspeech/TTS/vits/vits.py
similarity index 100%
rename from egs/ljspeech/tts/vits/vits.py
rename to egs/ljspeech/TTS/vits/vits.py
diff --git a/egs/ljspeech/tts/vits/wavenet.py b/egs/ljspeech/TTS/vits/wavenet.py
similarity index 100%
rename from egs/ljspeech/tts/vits/wavenet.py
rename to egs/ljspeech/TTS/vits/wavenet.py