diff --git a/api.py b/api.py
index 3b17394..a6ec11f 100644
--- a/api.py
+++ b/api.py
@@ -195,8 +195,24 @@ def is_full(*items):  # 任意一项为空返回False
     return True
 
 
-def change_sovits_weights(sovits_path):
-    global vq_model, hps
+class Speaker:
+    def __init__(self, name, gpt, sovits, phones = None, bert = None, prompt = None):
+        self.name = name
+        self.sovits = sovits
+        self.gpt = gpt
+        self.phones = phones
+        self.bert = bert
+        self.prompt = prompt
+        
+speaker_list = {}
+
+
+class Sovits:
+    def __init__(self, vq_model, hps):
+        self.vq_model = vq_model
+        self.hps = hps
+
+def get_sovits_weights(sovits_path):
     dict_s2 = torch.load(sovits_path, map_location="cpu")
     hps = dict_s2["config"]
     hps = DictToAttrRecursive(hps)
@@ -222,10 +238,17 @@ def change_sovits_weights(sovits_path):
     vq_model.eval()
     vq_model.load_state_dict(dict_s2["weight"], strict=False)
 
+    sovits = Sovits(vq_model, hps)
+    return sovits
 
-def change_gpt_weights(gpt_path):
-    global hz, max_sec, t2s_model, config
-    hz = 50
+class Gpt:
+    def __init__(self, max_sec, t2s_model):
+        self.max_sec = max_sec
+        self.t2s_model = t2s_model
+
+global hz
+hz = 50
+def get_gpt_weights(gpt_path):
     dict_s1 = torch.load(gpt_path, map_location="cpu")
     config = dict_s1["config"]
     max_sec = config["data"]["max_sec"]
@@ -238,6 +261,19 @@ def change_gpt_weights(gpt_path):
     total = sum([param.nelement() for param in t2s_model.parameters()])
     logger.info("Number of parameter: %.2fM" % (total / 1e6))
 
+    gpt = Gpt(max_sec, t2s_model)
+    return gpt
+
+def change_gpt_sovits_weights(gpt_path,sovits_path):
+    try:
+        gpt = get_gpt_weights(gpt_path)
+        sovits = get_sovits_weights(sovits_path)
+    except Exception as e:
+        return JSONResponse({"code": 400, "message": str(e)}, status_code=400)
+
+    speaker_list["default"] = Speaker(name="default", gpt=gpt, sovits=sovits)
+    return JSONResponse({"code": 0, "message": "Success"}, status_code=200)
+
 
 def get_bert_feature(text, word2ph):
     with torch.no_grad():
@@ -504,7 +540,15 @@ def only_punc(text):
     return not any(t.isalnum() or t.isalpha() for t in text)
 
 
-def get_tts_wav(ref_wav_path, prompt_text, prompt_language, text, text_language, top_k= 20, top_p = 0.6, temperature = 0.6, speed = 1):
+def get_tts_wav(ref_wav_path, prompt_text, prompt_language, text, text_language, top_k= 20, top_p = 0.6, temperature = 0.6, speed = 1, spk = "default"):
+    infer_sovits = speaker_list[spk].sovits
+    vq_model = infer_sovits.vq_model
+    hps = infer_sovits.hps
+
+    infer_gpt = speaker_list[spk].gpt
+    t2s_model = infer_gpt.t2s_model
+    max_sec = infer_gpt.max_sec
+
     t0 = ttime()
     prompt_text = prompt_text.strip("\n")
     prompt_language, text = prompt_language, text.strip("\n")
@@ -523,6 +567,7 @@ def get_tts_wav(ref_wav_path, prompt_text, prompt_language, text, text_language,
         ssl_content = ssl_model.model(wav16k.unsqueeze(0))["last_hidden_state"].transpose(1, 2)  # .float()
         codes = vq_model.extract_latent(ssl_content)
         prompt_semantic = codes[0, 0]
+        prompt = prompt_semantic.unsqueeze(0).to(device)
     t1 = ttime()
     version = vq_model.version
     os.environ['version'] = version
@@ -544,7 +589,6 @@ def get_tts_wav(ref_wav_path, prompt_text, prompt_language, text, text_language,
         all_phoneme_ids = torch.LongTensor(phones1 + phones2).to(device).unsqueeze(0)
         bert = bert.to(device).unsqueeze(0)
         all_phoneme_len = torch.tensor([all_phoneme_ids.shape[-1]]).to(device)
-        prompt = prompt_semantic.unsqueeze(0).to(device)
         t2 = ttime()
         with torch.no_grad():
             # pred_semantic = t2s_model.model.infer(
@@ -763,9 +807,7 @@ if is_half:
 else:
     bert_model = bert_model.to(device)
     ssl_model = ssl_model.to(device)
-change_sovits_weights(sovits_path)
-change_gpt_weights(gpt_path)
-
+change_gpt_sovits_weights(gpt_path = gpt_path, sovits_path = sovits_path)
 
 
 
@@ -777,14 +819,18 @@ app = FastAPI()
 @app.post("/set_model")
 async def set_model(request: Request):
     json_post_raw = await request.json()
-    global gpt_path
-    gpt_path=json_post_raw.get("gpt_model_path")
-    global sovits_path
-    sovits_path=json_post_raw.get("sovits_model_path")
-    logger.info("gptpath"+gpt_path+";vitspath"+sovits_path)
-    change_sovits_weights(sovits_path)
-    change_gpt_weights(gpt_path)
-    return "ok"
+    return change_gpt_sovits_weights(
+        gpt_path = json_post_raw.get("gpt_model_path"), 
+        sovits_path = json_post_raw.get("sovits_model_path")
+    )
+
+
+@app.get("/set_model")
+async def set_model(
+        gpt_model_path: str = None,
+        sovits_model_path: str = None,
+):
+    return change_gpt_sovits_weights(gpt_path = gpt_model_path, sovits_path = sovits_model_path)
 
 
 @app.post("/control")