diff --git a/paddlespeech/cli/tts/infer.py b/paddlespeech/cli/tts/infer.py
index ade8cdd6dc5f4f255a582b40fe6a7aa336b04fa0..11a7aeea9625a0957c4ab3e8eb54a54f7680c1cf 100644
--- a/paddlespeech/cli/tts/infer.py
+++ b/paddlespeech/cli/tts/infer.py
@@ -29,8 +29,7 @@ from yacs.config import CfgNode
 from ..executor import BaseExecutor
 from ..log import logger
 from ..utils import stats_wrapper
-from paddlespeech.t2s.frontend import English
-from paddlespeech.t2s.frontend.zh_frontend import Frontend
+from paddlespeech.t2s.exps.syn_utils import get_frontend
 from paddlespeech.t2s.modules.normalizer import ZScore
 
 __all__ = ['TTSExecutor']
@@ -54,6 +53,7 @@ class TTSExecutor(BaseExecutor):
                 'fastspeech2_ljspeech',
                 'fastspeech2_aishell3',
                 'fastspeech2_vctk',
+                'fastspeech2_mix',
                 'tacotron2_csmsc',
                 'tacotron2_ljspeech',
             ],
@@ -135,7 +135,7 @@ class TTSExecutor(BaseExecutor):
             '--lang',
             type=str,
             default='zh',
-            help='Choose model language. zh or en')
+            help='Choose model language. zh or en or mix')
         self.parser.add_argument(
             '--device',
             type=str,
@@ -231,8 +231,11 @@ class TTSExecutor(BaseExecutor):
             use_pretrained_voc = True
         else:
             use_pretrained_voc = False
-
-        voc_tag = voc + '-' + lang
+        voc_lang = lang
+        # we must use ljspeech's voc for mix am now!
+        if lang == 'mix':
+            voc_lang = 'en'
+        voc_tag = voc + '-' + voc_lang
         self.task_resource.set_task_model(
             model_tag=voc_tag,
             model_type=1,  # vocoder
@@ -281,13 +284,8 @@ class TTSExecutor(BaseExecutor):
             spk_num = len(spk_id)
 
         # frontend
-        if lang == 'zh':
-            self.frontend = Frontend(
-                phone_vocab_path=self.phones_dict,
-                tone_vocab_path=self.tones_dict)
-
-        elif lang == 'en':
-            self.frontend = English(phone_vocab_path=self.phones_dict)
+        self.frontend = get_frontend(
+            lang=lang, phones_dict=self.phones_dict, tones_dict=self.tones_dict)
 
         # acoustic model
         odim = self.am_config.n_mels
@@ -381,8 +379,12 @@ class TTSExecutor(BaseExecutor):
             input_ids = self.frontend.get_input_ids(
                 text, merge_sentences=merge_sentences)
             phone_ids = input_ids["phone_ids"]
+        elif lang == 'mix':
+            input_ids = self.frontend.get_input_ids(
+                text, merge_sentences=merge_sentences)
+            phone_ids = input_ids["phone_ids"]
         else:
-            logger.error("lang should in {'zh', 'en'}!")
+            logger.error("lang should in {'zh', 'en', 'mix'}!")
         self.frontend_time = time.time() - frontend_st
 
         self.am_time = 0
@@ -398,7 +400,7 @@ class TTSExecutor(BaseExecutor):
             # fastspeech2
             else:
                 # multi speaker
-                if am_dataset in {"aishell3", "vctk"}:
+                if am_dataset in {'aishell3', 'vctk', 'mix'}:
                     mel = self.am_inference(
                         part_phone_ids, spk_id=paddle.to_tensor(spk_id))
                 else:
diff --git a/paddlespeech/resource/pretrained_models.py b/paddlespeech/resource/pretrained_models.py
index 324bd3aea2ad83267d50b7647facfcc5bee27523..d7df0e48a38602bbb0e4ff2870980fb99ed7da99 100644
--- a/paddlespeech/resource/pretrained_models.py
+++ b/paddlespeech/resource/pretrained_models.py
@@ -655,6 +655,24 @@ tts_dynamic_pretrained_models = {
             'phone_id_map.txt',
         },
     },
+    "fastspeech2_mix-mix": {
+        '1.0': {
+            'url':
+            'https://paddlespeech.bj.bcebos.com/t2s/chinse_english_mixed/models/fastspeech2_csmscljspeech_add-zhen.zip',
+            'md5':
+            '77d9d4b5a79ed6203339ead7ef6c74f9',
+            'config':
+            'default.yaml',
+            'ckpt':
+            'snapshot_iter_94000.pdz',
+            'speech_stats':
+            'speech_stats.npy',
+            'phones_dict':
+            'phone_id_map.txt',
+            'speaker_dict':
+            'speaker_id_map.txt',
+        },
+    },
     # tacotron2
     "tacotron2_csmsc-zh": {
         '1.0': {