diff --git a/backend-python/requirements.txt b/backend-python/requirements.txt
index 49d2a73..83f5491 100644
--- a/backend-python/requirements.txt
+++ b/backend-python/requirements.txt
@@ -1,7 +1,7 @@
 torch
 torchvision
 torchaudio
-rwkv==0.8.22
+rwkv==0.8.25
 langchain==0.0.322
 fastapi==0.104.0
 uvicorn==0.23.2
diff --git a/backend-python/requirements_without_cyac.txt b/backend-python/requirements_without_cyac.txt
index f4a9f05..54f2794 100644
--- a/backend-python/requirements_without_cyac.txt
+++ b/backend-python/requirements_without_cyac.txt
@@ -1,7 +1,7 @@
 torch
 torchvision
 torchaudio
-rwkv==0.8.22
+rwkv==0.8.25
 langchain==0.0.322
 fastapi==0.104.0
 uvicorn==0.23.2
diff --git a/backend-python/rwkv_pip/model.py b/backend-python/rwkv_pip/model.py
index dccfc08..9f495d5 100644
--- a/backend-python/rwkv_pip/model.py
+++ b/backend-python/rwkv_pip/model.py
@@ -552,7 +552,12 @@ class RWKV(MyModule):
                     elif ".ln_x" in x:  # need fp32 for group_norm
                         w[x] = w[x].float()
                     else:
-                        if (len(w[x].shape) == 2) and ("emb" not in x):
+                        if (
+                            (len(w[x].shape) == 2)
+                            and ("emb" not in x)
+                            and ("_w1" not in x)
+                            and ("_w2" not in x)
+                        ):
                             if WTYPE != torch.uint8:
                                 w[x] = w[x].to(dtype=WTYPE)
                             else:
diff --git a/backend-python/rwkv_pip/utils.py b/backend-python/rwkv_pip/utils.py
index 23bb8db..969b977 100644
--- a/backend-python/rwkv_pip/utils.py
+++ b/backend-python/rwkv_pip/utils.py
@@ -171,10 +171,17 @@ class PIPELINE:
             all_tokens += [token]
             for xxx in occurrence:
                 occurrence[xxx] *= args.alpha_decay
+
+            ttt = self.decode([token])
+            www = 1
+            if ttt in " \t0123456789":
+                www = 0
+            # elif ttt in '\r\n,.;?!"\':+-*/=#@$%^&_`~|<>\\()[]{}，。；“”：？！（）【】':
+            #     www = 0.5
             if token not in occurrence:
-                occurrence[token] = 1
+                occurrence[token] = www
             else:
-                occurrence[token] += 1
+                occurrence[token] += www
             # print(occurrence) # debug
 
             # output