diff --git a/GPT_SoVITS/text/g2pw/g2pw.py b/GPT_SoVITS/text/g2pw/g2pw.py
index 08525e91..fbfcd096 100644
--- a/GPT_SoVITS/text/g2pw/g2pw.py
+++ b/GPT_SoVITS/text/g2pw/g2pw.py
@@ -1,5 +1,6 @@
 # This code is modified from https://github.com/mozillazg/pypinyin-g2pW
 
+import hashlib
 import pickle
 import os
 
@@ -14,6 +15,16 @@ current_file_path = os.path.dirname(__file__)
 CACHE_PATH = os.path.join(current_file_path, "polyphonic.pickle")
 PP_DICT_PATH = os.path.join(current_file_path, "polyphonic.rep")
 PP_FIX_DICT_PATH = os.path.join(current_file_path, "polyphonic-fix.rep")
+MD5_PATH = os.path.join(current_file_path, "polyphonic.md5")
+
+def get_file_md5(file_path):
+    if not os.path.exists(file_path):
+        return ""
+    hasher = hashlib.md5()
+    with open(file_path, "rb") as f:
+        for chunk in iter(lambda: f.read(4096), b""):
+            hasher.update(chunk)
+    return hasher.hexdigest()
 
 
 class G2PWPinyin(Pinyin):
@@ -115,13 +126,22 @@ def cache_dict(polyphonic_dict, file_path):
 
 
 def get_dict():
-    if os.path.exists(CACHE_PATH):
+    new_md5 = get_file_md5(PP_DICT_PATH) + get_file_md5(PP_FIX_DICT_PATH)
+    old_md5 = ""
+    if os.path.exists(MD5_PATH):
+        with open(MD5_PATH, "r", encoding="utf-8") as f:
+            old_md5 = f.read().strip()
+    need_rebuild = (not os.path.exists(CACHE_PATH)) or (new_md5 != old_md5)
+
+    if not need_rebuild:
         with open(CACHE_PATH, "rb") as pickle_file:
             polyphonic_dict = pickle.load(pickle_file)
     else:
+        print("Rebuilding Polyphonic Dictionary: " + f"{old_md5} -> {new_md5}")
         polyphonic_dict = read_dict()
         cache_dict(polyphonic_dict, CACHE_PATH)
-
+        with open(MD5_PATH, "w", encoding="utf-8") as f:
+            f.write(new_md5)
     return polyphonic_dict
 
 
diff --git a/GPT_SoVITS/text/g2pw/polyphonic-fix.rep b/GPT_SoVITS/text/g2pw/polyphonic-fix.rep
index 1800b886..51ebc145 100644
--- a/GPT_SoVITS/text/g2pw/polyphonic-fix.rep
+++ b/GPT_SoVITS/text/g2pw/polyphonic-fix.rep
@@ -45023,4 +45023,5 @@
 鼎铛玉石: ['ding3', 'cheng1', 'yu4', 'shi2']
 齿豁头童: ['chi3', 'huo1', 'tou2', 'tong2']
 牦牛: ['mao2', 'niu2']
-牦: ['mao2']
\ No newline at end of file
+牦: ['mao2']
+唑: ['zuo4']
\ No newline at end of file
diff --git a/GPT_SoVITS/text/g2pw/polyphonic.md5 b/GPT_SoVITS/text/g2pw/polyphonic.md5
new file mode 100644
index 00000000..24182cbb
--- /dev/null
+++ b/GPT_SoVITS/text/g2pw/polyphonic.md5
@@ -0,0 +1 @@
+13b2211c317c75794123ffdf7c2aea021c75b0c606ad61d7c8b05bb00b64fa21
\ No newline at end of file
diff --git a/GPT_SoVITS/text/g2pw/polyphonic.pickle b/GPT_SoVITS/text/g2pw/polyphonic.pickle
index fbe46ce1..b749b068 100644
Binary files a/GPT_SoVITS/text/g2pw/polyphonic.pickle and b/GPT_SoVITS/text/g2pw/polyphonic.pickle differ